Networked Computers, Routers And Data Links

Networked Computers, Routers And Data Links
networked computers, routers and data links, network simulators are relatively fast and inexpensive.
They allow engineers to test scenarios that might be particularly difficult or expensive to emulate
using real hardware– for instance, simulating the effects of sudden bursts in the traffic or a Dos
attack on a network service. Networking simulators are particularly useful in allowing designers to
test new networking protocols or changed to existing protocols in a controlled and reproducible
environment. Network simulators simulate and then analyze the effect of various parameters on the
network performance. Typical network simulators encompasses a wide range of networking
technologies and help the users to build complex networks from ... Show more content on
Helpwriting.net ...
REAL is a network simulator originally intended for studying the dynamic behaviour of flow and
congestion control schemes in packet switched data network. NS2 is available on several platforms
such as FreeBSD, Linux, Sim OS and Solaris. NS2 also builds and runs under Windows. Figure 5.2
Simplified user's view of NS C). Node Basics The basic primitive for creating a node is set ns[new
Simulator] $ns node The instance procedure node constructs a node out of simpler classifier objects.
All nodes contain the following components: 1. An address or id_, monotonically increasing by 1
(from initial value o) across the simulation namespace as nodes are created 2. A list of neighbors
(neighbor_) 3. A list of agents (agent_) 4. A node type identifier (node type_) D). Node Methods:
Configuring the Node Procedures to configure an individual node can be classified into: 1. Control
functions 2. Address and Port number management, unicast routing functions 3. Agent management
V. SIMULATION AND RESULTS Figure 5.3 Communications between Cluster head to source
Node Simulate a heterogeneous multihop wireless network by randomly deploying 55 nodes in an
area of 1;000 m_1;000 m: n is the number of nodes having low and medium trust values. The
number of nodes having high trust values is 55 _ n and their trust values are uniformly distributed in
[0.8, 1). The number of nodes having low trust values is b0:67 _ nc and their trust values are
... Get more on HelpWriting.net ...

Advances in Data Storage Technology
Advances in Data Storage Technology Contents I. Introduction 3 II. Purpose of storage 4 III.
Hierarchy of storage 6 A. Primary storage 6 B. Secondary storage 7 C. Tertiary storage 7 D. Off–
line storage 8 IV. Characteristics of storage 9 A. Volatility 9 B. Mutability 9 C. Accessibility 10 D.
Addressability 10 E. Capacity 11 F. Performance 11 G. Energy use 11 V. Fundamental storage
technologies 12 A. Semiconductor 12 B. Magnetic 12 C. Optical 13 D. Paper 14 E. Uncommon 14
VI. Related technologies 17 A. Network ... Show more content on Helpwriting.net ...
Generally, the lower a storage is in the hierarchy, the lesser its bandwidth and the greater its access
latency is from the CPU. This traditional division of storage to primary, secondary, tertiary and off–
line storage is also guided by cost per bit. III. Hierarchy of storage A. Primary storage: Primary
storage (or main memory or internal memory), often referred to simply as memory, is the only one
directly accessible to the CPU. The CPU continuously reads instructions stored there and executes
them as required. Any data actively operated on is also stored there in uniform manner. Historically,
early computers used delay lines, Williams's tubes, or rotating magnetic drums as primary storage.
By 1954, those unreliable methods were mostly replaced by magnetic core memory. Core memory
remained dominant until the 1970s, when advances in integrated circuit technology allowed
semiconductor memory to become economically competitive. This led to modern random–access
memory (RAM). It is small–sized, light, but quite expensive at the same time. (The particular types
of RAM used for primary storage are also volatile, i.e. they lose the information when not powered).
As the RAM types used for primary storage are volatile (cleared at start up), a computer containing
only such storage would not have a source to read instructions from, in order to start the computer.
Hence, non–volatile primary storage containing a small startup

The Pros And Cons Of Information Explosion
DATABASE RESEARCH FACES INFORMATION EXPLOSION. Information explosion are refers
not only to the increasing amount of information available in digital form, but to the phenomenal
growth in the breadth of information dissemination. This approach is often viewed as the result of:
Database Research Faces the Information Explosion :  Low cost computing and storage devices
not only used in business, but also increasingly in private homes.  Low cost Internet access one of
the potential allowing all computing and storage devices to be connected even when mobiles. 
Availability of simple, easy to use interface (e.g. World wide browsers). Futhermore, this
development increases the importance of a person's privacy rights questioning when reviewing the
personal records, use of intellectual property, provide universal access and also to create a
challenging technical problems in data storage, organization and accesses. Even in the press there ...
Show more content on Helpwriting.net ...
As was the case for printing, the ability to disseminate information have democracy to a greater
extent. Publication is no longer necessarily the corporate activity, even the information may appear,
change, and disappear without any knowledge or control center. It is noteworthy that through
revolution, there is information before the computer age, computers are not a precondition for
information have dramatic sociality impact. In earlier times, huge organizations appear to manage
information: libraries, cataloging system, and publishing companies, along with procedures to check
and verify information (eg, scientific peer review). None reviews are complete. It is difficult to
searching the information that we really need if the information is too much and we can't reach the
information search for the best. In reality, this has often fallen on stony ground. The effect can be to
lead to the users to make judgements based on incomplete facts and possibly to tackle the wrong

Computer Security and Sony Data Breach Essay
Information Systems for Management: BUSI 502
Subject Matter: Sony Reels from Multiple Hacker Attacks
Sony's PSN Hackers' Incident
New Cost Estimates for the Hacking Incident
General data breach issues. According to Osawa (2011), costs associated with the 2011 Sony data
breach involving Sony Corp.'s online videogame are over a billion dollars as it takes steps to repair
its customers' base and protect its customers. Nobuo Kurahashi, as Mizuho Investors Security
analyst maintained that a complete and thorough assessment of potential impact on Sony's future
business would be more difficult to quantify (as cited in Osawa, 2011). The analyst argued that if
data security concerns damage Sony's brand image, this could undermine the ... Show more content
on Helpwriting.net ...
Customers to leave Sony because of the incident and reports of fraudulent use of identities obtained
from the hack. While there have been no reports to date of the Sony hacker(s) using the stolen
identities of Sony's customers, the breach to Sony's PlayStation Network involved millions of
people around the world who used Sony's PlayStation video game system and who may have had
their credit card information stolen in the 2011 hacking incident (PBS, 2012). This hacking incident
against Sony could have potentially included over seventy–seven million user accounts that were
disconnected worldwide. The hacker obtained information to include players' names, addresses,
birth dates, email addresses, passwords and log–in names. According to Kevin Poulsen, senior
editor at wired.com (as cited in PBS NewsHour, 2012), its going to cost Sony a lot of money and a
lot of fan loyalty. Some of the people leaving Sony are not going to care about the breach itself.
They are just going to be extremely angry that they were denied access to the PlayStation Network
for so long. Additionally, according to Dennohey (2012), the 2011 hacker gained access to a
database dating back to 2007. Within this database there were information which included bank
account information on approximately 12,000 debit and credit card holders in Austria, Germany, the
Netherlands and Spain. Sony claimed

Computer Technology : A Technological Time Of Humanity On...
CHARLES STURT UNIVERSITY WIRELESS NETWORKING ITC513 ASSIGNMENT 1
MUDDASANI SHARATHDWANTH 11514576 Table of Contents Q1 2 Q2 3 Q3 5 Q4 6 Q5. 7 a. 7
b. 7 Q6. 7 Works Cited 7 Q1 Today 's human is existing in a stunning evolutionary time of humanity
regarding the upgrade and coordination of data and correspondence advances. The machine guided
correspondence and its headway (computerized reasoning) assumes a basic part in the life of 21st
century 's man. Yet Information engineering is the concentrated point that indicates how, when and
where one can correspond with individuals around him. The fate of this Information innovation
centralization is going to build. We "Advanced Citizens" are joined with any kind of system
throughout the day, seven days a week (infosys, 2010) Presently , on the off chance that you possess
a sound, feature players, machines, laptops, ipod, Pdas, another Pdas or on the off chance that you
utilize email and distinctive applications for correspondences, internet keeping money, web
ticketing, web purchasing and offering, then you are a resident of this Digital world. Since human
made a silicon chip, there has been no thinking back in improving advanced engineering. The
upgrade in advanced upheaval could be seen just in the TV joining with all different gadgets like
Pcs, web and cell

Essay about Threats to Computer and Data Systems Today
Introduction
Safety of information is the most valuable asset in any organization particular those who provide
financial service to others. Threats can come from a variety of sources such as human threats,
natural disasters and technical threats. By identifying the potential threats to the network, security
measure can be taken to combat these threats, eliminate them or reduce the likelihood and impact if
they should occur.
Hacking
Outsider attackers often called hackers because they gain access to system without authorization or
permission from the owners or legitimate user. With information technology, comes increase risk of
fraud and information theft. Hackers can steel sensitive information from one organization and sell
it to a ... Show more content on Helpwriting.net ...
They can identify websites frequently visited by users, those vulnerable websites that can be
targeted and what users often search for.
Virus
There are special viruses that creates different types of malicious problems on a network or
computer, for instance it will create or open programs to perform tasks. Viruses is also used for
denial of service attacks, password cracking and many more. This can be fought against by having a
reliable protection service; it is safer if this is taken from the provider itself.
Deniss Calovskis who is a native of Latvia in Eastern Europe, he was arrested by the US
government because he was involved in creating numerous computer viruses called Gozi, Zeus
Trojan and spy eye Trojan
Denial of service
Denial–of–service is an attack aimed to refuse access for legitimate users and disrupt service
availability according to www.msdn.microsoft.com. This type of security threat according to
www.tech.co.uk is rapidly increasing on the Internet due to open doors on Websites. By using the
Internet, companies increase the risk of denial of service attack. Denial of service can also be caused
by too many connected to a server at the same making run slow or unavailable to others. People
who deliberately abuse a network server are often difficult to track down.
Outsider attacks also increased substantially over the past year, UK

Computer Assisted Audit Tools And Techniques, Data...
The third assignment is based on the following topics: Computer–assisted audit tools and
techniques, Data structures and CAATT's for Data extraction, and auditing the revenue cycle. This
paper will provide solutions to the problems specified in this third assignment. The solutions can be
referenced back to the provided problems from the text Information Technology Auditing &
Assurance on pages 325, 384 & 458 respectively.
Problem 1 – Processing Controls
Presented in the following lines will be the three data control categories, two specific controls and
how each of the controls contributes to ensuring that the data is reliable. This problem is divided
into three different controls: Input, Processing and Output.
Input controls ensure the validity, accuracy and completeness of transactions. (Hall & Singleton,
2011) These controls mainly check the integrity of data entered into a business application. Data
input is checked to ensure that it remains within specified parameters.
Processing controls provide an automated means to ensuring the processing is complete, accurate
and authorized. (Hall & Singleton, 2011). Processing controls can be divided into three categories
which are run–to–run controls, operator intervention controls, and Audit Trail controls.
Output controls ensure that output from the system is not lost, misdirected, or corrupted and privacy
is not violated. (Hall & Singleton, 2011). These controls address what is done with the data and
comparisons with the

The Importance Of Big Data With Computer Networks
When Big Data meets Computer Networks , designing and managing the IT infrastructure become a
non–trivial and a challenging task .
Over the past few years , the increasing traffic volumes and the greater emphasis on network
reliability , scalability and speed led to the rise of new networking trends such as Cloud Computing .
However , the size and the scope of the networks continue to increase tremendously which increase
the complexity and the difficulty of computer networks management . As we know , the
configuration task is still executed according to individual protocols and configuration interfaces
which make it very laborious and slow .
Moreover , The Proliferation of manufacturers and the non–feasibility of eradicating legacy ... Show
more content on Helpwriting.net ...
In addition to the network devices heterogeneity , the recent specifications of OpenFlow specify
more than 40 fields in a forwarding rule header . Hence , adapting the packet processing pipeline to
one of the data plane elements is a non–trivial task.
On the other hand , designing a packet classification scheme is not only constrained by the hardware
architecture but also by the frequent changes in the network state . That is to say , the packet
classification should always guarantee the end–users applications requirements in terms of traffic
priority , bandwidth and latency .
Within this context, we conducted our graduation project . We make use in this work of packet
processing challenges in regards with OpenFlow/SDN requirements to build a framework for an
optimal packet classification . Our framework pre–processes OpenFlow rules by investigating the
relation between rules and then generates a packet classification schemes which are aware of the
underlying hardware architecture and also network services priorities . Added to that , the
framework communicates with the target physical platform in order to map the computed
classification structure and place the the OpenFlow rules .
newline We tested our Framework by evaluating the performances of two backends : a hardware–
based switch and a software–based switch.
The remainder of this report is structured as follows. In Chapter 1, we will

Reviewing The Data Validation Of Data Discrepancy In A...
Detailed description of the duties:
Data validation is the process of testing the validity of data in accordance with the protocol
specifications. Edit check programs are written to identify the discrepancies in the entered data,
which are embedded in the database, to ensure data validity. The beneficiary will write the program
according to the logic condition mentioned in the DVP. These edit check programs are initially
tested with dummy data containing discrepancies by the beneficiary. Discrepancy is defined as a
data point that fails to pass a validation check. Discrepancy may be due to inconsistent data, missing
data, range checks, and deviations from the protocol. These discrepancies will be answered by
investigator after logging into ... Show more content on Helpwriting.net ...
A page status report provides a summary of the statuses of the CRFs within a specified study, site
group, site, subject, folder, and/or form. The report shows, in a tabular format, the relevant statistics
of the CRF in terms of data being entered, missing or overdue CRFs.
A productivity tracker is a Study Administration report that provides several key metrics on user's
personal utilization. This report shows activity per user for actions completed in the past.
Quality report provides the overall data quality which helps in ensuring the data are generated and
processed in compliance with the study protocol and GCP requirements.
Java/I review and BOXI reports have humungous capabilities like – dynamically pooling multiple
studies, even across projects, running reports, graphs, patient profiles against the pooled set of study
data, SAE alerts, batch scheduling of reports, displaying time oriented graphical representation of
data, enrollment status etc.
The beneficiary should have adequate process knowledge that helps maintain the quality standards.
In the present scenario, there is an increased demand to improve the standards to meet the regulatory
requirements and stay ahead of the competition by means of faster commercialization of product.
With the implementation of regulatory compliant data management tools, teams can meet these
demands. Additionally, it is becoming mandatory

Cmgt 442 Week 4 Individual Assignment Outsourcing Risks...
Outsourcing Risks
Name
Course
Date
Instructor
Outsourcing Risks
Outsourcing has become an integral part of many organizations today. Outsourcing has its
advantages and disadvantages that organizations will have to weigh to decide whether or not
outsourcing is the best possible solution to their current problems and business operations.
Outsourcing refers to the process of hiring external provider to operate on a business or organization
function (Venture Outsource, 2012). In this case, two organizations or businesses enter a contract
where there will be an exchange of services and payments. This paper will discuss the possible risks
an organization may encounter in outsourcing in relation to the use of an external service ... Show
Computer Support
Computer support is essential in any organization that uses computers. Employees may be
specialized in their specific fields but they are not necessarily considered computer experts. As such,
it is important for an organization to have a body that will support their employees and help them
with their computer problems.
One of the biggest benefits of outsourcing computer support is that it minimizes the time spent by
employees fixing their own or co–workers computers and systems. This improves productivity by
increasing their focus on their specific tasks and not worries on how to fix computer problems. Even
though self–support may be a good thing to have, it is advisable for employees to give their full
attention to the important tasks at hand. Additionally, if an employee tries to fix his or others'
computers, he may not be following the company's standards and guidelines. Workstations will
always have important or sensitive data in them so it is critical that the organization ensures the third
party computer support provider is trustworthy by reviewing their history and analytical reports and
by also retrieving feedbacks from their past and existing clients. Several security policies must be
put into place so that the organization will feel safe that the data within the systems being fixed are
not abused in any way or form.
Network Support

Many organizations rely on their

Problems Faced By The And Corporate Culture
4.The problems of the mergers in technology industry During the integration process after merging,
the clash of the human resources and the corporate culture will arise. Merger always takes risk on
some extent, so some employees will feel unsafe about their job, which will cause the lost of the
human resources. What's more, to optimize the new employee structure and reduce labor cost,
amount of employees will face to be laid off. Such a large personnel change will cut down the
investors' trust, because the investor will suspect the stability of the new combined company. Even
two similar technology companies still have different corporate culture which can represent the
companies' brand images and affect the customers' loyalty. They may produce the similar products,
but they may differ in the business ideas and background. Hence, how to integrate two companies'
corporate culture in order to exert the joint corporate value is difficult for the new combined
company. If the new combined company abandoned one of the company's corporate culture, they
will lose part of customers who already lose the faith to the company. How to integrate the two
technology companies' technology is important for the development of the new combined company
in the future after merging. If two companies have lots of overlapping business and their
technologies level are different, then the new company must consider integrating the technology to
complement and balance the technology level so that can

The Pros And Cons Of Data Mining In Science Computer
From my understanding, data mining is a series of operation to dig up a value–added process from a
bunch of data in the form of knowledge that is not known for manually. Knowledge discovery in
database is a term that we called for data mining in science computer. Data mining also about to find
a new information in a lot of data. Not only that, data mining is searching for patterns or
relationships in one or more databases and it way to generate new information. Besides that, for
secondary use, the information collected for one purposed used for another purpose and the
information about customers is a valuable commodity. But, does we know how the data mining is
work? Data mining works or performs these feats using a technique that called modeling. Modeling
is simply the act of building model in one application where there is an answer and then we apply it
to another situation that you don't. This act of model building has been doing by people for a long
time, certainly it before the advent ... Show more content on Helpwriting.net ...
The pros for this process are in marketing or retail. This process helps marketing company by builds
a model based on historical data to predict who will respond to the new marketing campaign. Not
only marketing, retail companies also get a benefit same as marketing companies get. Besides that,
this data mining also bring a benefit for finance or banking by gives financial institutions
information about loan information and credit reporting. By build a model from historical
customer's data, the banking or finance institution can determine good and bad loans. In addition,
this process can help banks detect the fraudulent credit card transaction and protect credits card's
owner. Manufacturing and governments also gets a lot of benefits by using this process. Data
mining helps government agency by digging and analyze records of financial transaction to build
pattern that can detect money laundering or criminal

Computer Security and Data Encryption
DRM is a technology that protects digital content via encryption and the access control mechanisms
that allow a user to view the digital content. In general, to control what we can and can't do with the
media and hardware we've purchased. 1. Historical perspective of DRM The practices of copyright
protection and DRM have been around since decades ago. In fact, when the Altair BASIC was first
introduced in 1975, the Homebrew Computer Club (a computer hobbyists club) member made
unauthorized copies of Altair basic software and distributed them at the club meeting. At that time,
MITS Company licensed the software from "Micro–soft" (now Microsoft). Although MITS has
been selling thousand computers a month, Micro–Soft wasn't getting much royalty fees since basic
copies have been distributed illegally. This led to the famous open letter "open letter to hobbyists"
by Bill Gates which he expressed his frustrations towards the hobbyists. In the letter, he said "As the
majority of hobbyists must be aware, most of you steal your software. Hardware must be paid for,
but software is something to share. Who cares if the people who worked on it get paid? Is this fair?"
But the first implementation of DRM only came about in 1983 by Japanese Engineer Ryoichi Mori
and it was implemented in Software Service System (SSS) which is later redefined as
Superdistribution. The main focus of SSS was to protect the unauthorized copying by encryption.
The SSS would include a

The Cloud Of Cloud Computing
"The Cloud" is a catchy phrase suggesting a convenient way to access files from anywhere. Unlike
the puff balls floating overhead, the cloud is a physical infrastructure housed in massive warehouses
all over the world. Air watch gives some names of developers who contributed to its creation. Well
know names such as John McCarthy, J.C.R. Licklider, and Amazon (Mohamed, 2000). Cloud
computing is ultimately transforming today's computing landscape. Cloud has enabled enterprises to
expand its infrastructure, enabling capacity on demand and outsourcing– Infrastructure now has
greater flexibility, resulting in significant savings, This brief begins with giving an historical
overview of some of the data storage pioneering the idea of ... Show more content on
Helpwriting.net ...
Cloud computing enable clients to purchase services that are only needed (Ackerman 2011). The
term "cloud" is not fairly new (Mohamed, 2009). The cloud can be dated back to the sixties. During
the sixties, the evolution of cloud computing has continued to progress. With many updates and
changes occurring to cloud computing during the sixties, Web 2.0 was deemed the cloud during that
time period (Mohamed, 2009). Nevertheless, given that the internet speed, or bandwidth, did not
significantly increase till the nineties, the expansion of cloud computing, and it being readily
available for a larger customer base, did take longer to develop (Mohamed, 2009). Cloud base
networking is a mean of processing computer services to multiple off site locations. Cloud
networking enables private, encrypted connection at a guaranteed minimum speed to wherever your
data stored in the cloud computer is located, at the time of use, (Ackerman 2011). Cloud providers
host shared servers, and deliver computing, storage, and software to end consumers as a service.
Services included in compute–on–demand, online storage, online/share office applications, key
value store, and email among many others service. Some example of public cloud providers is
Amazon AWS, GoGrid, and Rack Space. Other companies, such as HP, Google, IBM, and Microsoft
have cloud offerings,

Swot Analysis Of  Major Supply Chain Initiative
OVERVIEW:
 Abstract
 Introduction
 Major Supply Chain Initiative taken by Airbus
 RFID Technology
 Implementation of RFID Technology
 Conclusion
 Bibliography
ABSTRACT
Airbus is a French company manufacturing civil aircrafts. The company produces and markets
Airbus A320 and the world's largest passenger airliner, A380 apart from several other models. My
individual report discusses about the Radio Frequency Identification(RFID) implementation at
Airbus and how much this improved the supply chain efficiency. The main intension was to
continuously improve its supply chain by mastering the supplier's approval and the surveillances of
their manufacturing capabilities. To achieve this goal, Airbus developed a strategy based upon
assessment of suppliers Quality Management Systems and their special processes by external bodies
along with the use of international standards. The strategy needs to be deployed throughout the
entire supply chain.
Airbus focused on IT to manage its supply chain and improve the overall efficiency. RFID
implementation played a key role in improving efficiency and visibility in its supply chain. RFID
was implemented in the tool loan business where it used to lend tools to its customers that were
required for the maintenance of the aircraft. The whole intention to implement RFID in the tool loan
department was to improve efficiency by making tools available quickly to its customers and for
proper traceability.
RFID is a technology

Notes On Computer Data System
2. (a) Master Data–Master data is the basic data that is needed and important to operations in a
specific business or business unit. The kinds of information treated as master data varies from one
industry to another and even from one company to another within the same industry. The
Transaction data describes an which the Master Data participates in, which in this case is the
purchasing of the cheese. So some examples here would be the price, the discount or coupon, and
the method of payment. (b) Generally there are three types of data in ERP Organisational data
Master data Transactional data Master data:– any person, any place, or any object defined for any
specific organization level. Stored centrally and shared among business processes and applications.
Documents for master data are structured in a hierarchy that is made up of several folders. The
documents are assigned to folders on the basis of their properties. Documents are always displayed
on the lower level. The hierarchy tree for the documents contains folders that are only used for
structuring purposes and do not contain documents. It also contains folders in which documents are
displayed: Folder for the system alias If the documents are stored on the BW server, this folder is
unnecessary. Folder for master data (folder without documents) Folder for specific master data, such
as material or cost center (folder without documents) Folder for specific master data (folder without
documents)

Essay On Green Computing
Green IT
Green IT, also called as green computing, is the study and practice of creating, engineering, using,
and disposing of electronic devices such as servers, computers, and associated subsystems – like
printers, monitors, storage devices, networking, and storage devices, and communications systems –
effectively and efficiently with negligible or no impact on the environment. thus, green IT involves
software assets, hardware assets, tools, approaches, and practices which can help to enhance and
provide environmental sustainability.
Since all corporations are reliant on IT for resourceful operation, the encouragement to make their
IT processes more effective offers a chance to also decrease energy usage. They understand that the
best way ... Show more content on Helpwriting.net ...
Hence, the most instantaneous solution is decrease in consumption of energy by cultivating energy
effectiveness in all segments of the economy and lessening wastage of energy, which simultaneously
leads to reduce carbon footprints so the part of IT is very decisive in this respect. IT can help
capitalize on the productivity of energy utilization by allowing intelligent schemes for electric
power network, management of green buildings, transport, and living style. Dematerialization,
diminishing the necessity for physical setting up, equipment, and goods with digital technologies,
decreases the utilization of resources. IT subsidizes to reducing the petition for transport and
logistics by e‐commerce, telecommuting, e‐government, and video conferencing. For instance, the
Connected Nation, a US non‐profit technology support group, evaluates that a 7 percent rise in
adoption of broadband in the USA could comprise $18 million in carbon credits related with 3.2
billion pounds less CO2 emission per year.(Lee, Park, and Trimi 2013) 3.2.1 Why green computing?
Green IT empower organizations to handle the challenges of climate change by giving
Chances to think differently and discover innovative ideas
Generate platforms with low cost for development and lessen compliance budgets and risks
Includes the whole eco–system of an association and provide both technology and business
inventions which helps in mitigating the carbon emissions by acting more intelligently
Green IT

Computer Aided Mammograms And Trans Atlantic Data Transfer...
Issue Paper: Computer–Aided Mammograms and Trans–Atlantic Data Transfer Privacy
Garrett Gutierrez CSE 485: Capstone I #80015 12:00 PM – 1:15 PM
Introduction:
As new technologies emerge, they cause new and surprising impacts on the world, which shape how
people experience life. Yet, these advancements in computing and engineering may have some
negative consequences. Thus, they become controversial issues. Two recent issues in the computing
and engineering field are the effectiveness of computer–aided mammograms in the
United States and Facebook data being used for mass surveillance on European denizens. These
issues affect the areas of national healthcare and global privacy, respectively. Not only do these
topics have current ramifications, they also have potential long term consequences that will need to
be addressed. Thus, current leaders are taking actions to address each of these issues in order to
resolve them or mitigate their adverse effects. This paper will identify each issue, its source, the
current and future impact of the respective issue, and how current leaders are addressing the issues
based on the facts provided by the credible news sources.
Issue 1 and Source:
On the national level, a contemporary issue involving computing that has arisen is the use of
computer–aided mammograms in the U.S. for women's healthcare. The issue is that recent studies
have shown that computer–aided mammograms are not effective at detecting more instances of
breast cancer or tumors,

Different Kinds of Methods
DIFFERENT KINDS OF METHOD
Different Kinds of Method
COMPUTERS AND INFORMATION PROCESSING
CIS/319
Different Kinds of Method
Best Method for Input:
The best method for printed questionnaires is the optical data reader. It is easier to read, and it is
more accurate reading. Just put the answer you choice to be in the bubble. When the reader is place
in a machine, it reads what you put. If the answer is wrong, it will put a red mark. The best method
for the telephone survey is the operator data entry. With this method, any survey will be more
accurate. Because, the operate will be able to give a clear question to the caller, and the caller will
be able to respond to the question with no confusion. As this is happening ... Show more content on
Helpwriting.net ...
Determine the speed of computer: The ram is use to process the computer. The bigger the ram is the
faster the computer could process information. The computer will be able to process two or more
things at once. Like you are online searching for things and you are uploading a file. With a big ram,
you could do this. The data on hard disk is information you store from your computer. The more
data you add to the disk, it will become harder to find. The data on CD Rom s much slower then a
hard disk. The CD Rom can be use to put your CD's in or DVD's. The bigger the Rom is, the faster
it will process the CD. You won't see any breaks while viewing the CD. The data on floppy disk
could be slow. Because this is a old devise, and when trying to view something from the disk. The
disk has a small memory to process it. So when you click on a file, it going to take a while to show
up as to a CD Rom or a Flash

Storage Devices
Types of Storage Devices Physical components or materials on which data is stored are called
storage media. Hardware components that read/write to storage media are called storage devices.
Two main categories of storage technology used today are magnetic storage and optical storage.
Primary magnetic storage o Diskettes o Hard disks (both fixed and removable) o High capacity
floppy disks o Disk cartridges o Magnetic tape Primary optical storage o Compact Disk Read Only
Memory (CD ROM) o Digital Video Disk Read Only Memory (DVD ROM) o CD Recordable (CD
R) o CD Rewritable (CD RW) o Photo CD Magnetic Storage Devices Purpose of storage devices à
to hold data even when the computer is turned off so the data can be used ... Show more content on
Helpwriting.net ...
This process of mapping a disk is called formatting or initialising. When you purchase a new disk,
they should be formatted for either PC or Mac. It may be helpful to reformat disks from time to time
as this deletes all the data on disk. During the formatting you process you can also determine
whether the disk has any faulty spots and you can copy important system files onto the disk. Hard
disks must also be formatted so that the computer can locate data on them. When you buy a
computer, the hard disk has already been formatted correctly and probably contains some programs
and data. You can format your hard disk if necessary but the process is different to that for a
diskette. Modern diskettes store data on both sides of the disk (numbered side 0 and side 1) and each
side has its own read/write head. When formatting a disk, the disk creates a set of magnetic
concentric circles called tracks, on each side of the disk. The number of tracks required depends on
the type of disk. Most high –density diskettes have 80 tracks on each side. A hard disk may have
several hundred tracks on each side of each platter. Each track is a separate circle. These are
numbered from the outermost circle to the innermost, starting with zero. Each track on a disk is also
split into smaller parts. Imagine slicing a disk as you would a pie. Each slice cuts across all the
tracks resulting in short segments or sectors. A sector can contain up to 512 bytes. All the sectors are

Concerns Regarding Public Cloud Services
Many concerns pertaining mostly to public cloud services restrain the movement of the organisation
towards this new business model and gaining benefits aforementioned. Moving to cloud computing
services means renting off–premise IT resources that are managed by the cloud provider. This raises
several questions and concerns such as: what are cloud providers ' procedures to extit{protect data }
from destructive forces (e.g. fire, flood, earthquake) and to extit{secure it} from unwanted actions
of unauthorised users? , Is there any guarantee on extit{cloud services availability} on–line without
power cut? , and what about if cloud provider decide to extit{ discontinue cloud service?}.
Furthermore, the risk of extit{vendor lock–in} where customer unable to shift business data and
application interaction into another cloud provider 's services without substantial switching costs.
More specifically, each cloud provider requires a particular Application Programming Interface
(API) that imposes on cloud customers to develop their applications in a certain way to interact with
their cloud services. Thus, moving to another provider thrusts customer to re–develop its
applications based on the new cloud provider 's API requirement. Finally, data storage is growing
very fast due to the increasing reliance on information especially for business. This growth of data
storage requires increasing of IT budget to maximise IT resources including: storage entities,
cooling systems,

Methods Of Using Data Relationships And Computer Models
Analytics is the process of using data relationships and computer models to drive business value,
improve decision making and understand human relationships. If the Information Age began in the
1990s with the rise of digital technology, then we've now officially entered the Age of Big Data,
wherein companies like Google, Facebook, IBM, Teradata, Oracle, and SAS have the capacity to
gather a lifetime's worth of data about customers and their behavior. But that data is just an
incomprehensible pile of numbers until a skilled analyst turns those numbers into meaningful
information, useful for making intelligent business decisions. Today, companies are searching for
experts in data analytics who have high–formed business and technology backgrounds, and who
understand the importance of the latest data and Information Age trends. This requires more than
simple data analysis. Prescriptive analytics focuses on trends using simulation and optimization,
while predictive analytics uses statistical tools to predict the future, and descriptive analytics is
concerned with enabling smart decisions based on data. Data miners and data analytics experts who
are versatile in all three areas of analytics can help corporate executives translate their data into
intelligent information, which provides companies a competitive advantage and increases their
bottom lines. Analytics have made their presence felt in every industry, but they have a major role to
play in the sports industry and many teams

DATAAND COMPUTER COMMUNICATIONS
SOLUTIONS MANUAL DATAAND COMPUTER COMMUNICATIONS EIGHTH EDITION
CHAPTERS 1 – 12 WILLIAM STALLINGS Copyright 2007: William Stallings © 2007 by
William Stallings All rights reserved. No part of this document may be reproduced, in any form or
by any means, or posted on the Internet, without permission in writing from the author. Selected
solutions may be shared with students, provided that they are not available, unsecured, on the Web.
–2– NOTICE This manual contains solutions to all of the review questions and homework
problems in Data and Computer Communications, Eighth Edition. If you spot an error in a solution
or in the wording of a problem, I would greatly appreciate it if you would forward the ... Show more
content on Helpwriting.net ...
2.5 A case could be made either way. First, look at the functions performed at the network layer to
deal with the communications network (hiding the details from the upper layers). The network layer
is responsible for routing data through the network, but with a broadcast network, routing is not
needed. Other functions, such as sequencing, flow control, error control between end systems, can
be accomplished at layer 2, because the link layer will be a protocol directly between the two end
systems, with no intervening switches. So it would seem that a network layer is not needed. Second,
consider the network layer from the point of view of the upper layer using it. The upper layer sees
itself attached to an access point into a network supporting communication with multiple devices.
The layer for assuring that data sent across a network is delivered to one of a number of other end
systems is the network layer. This argues for inclusion of a network layer. –6– In fact, the OSI
layer 2 is split into two sublayers. The lower sublayer is concerned with medium access control
(MAC), assuring that only one end system at a time transmits; the MAC sublayer is also responsible
for addressing other end systems across the LAN. The upper sublayer is called Logical Link Control
(LLC). LLC performs traditional link control functions. With the MAC/LLC combination, no
network layer is needed (but an internet layer may be

The Importance Of Securing Data On A Computer Device
Security is a broad term covering many aspects of the computer technology industry.
The importance of securing data on a computer device issued to an employee within a corporation is
of the utmost importance to ensuring data integrity. The data held on computer devices is the
lifeblood of the corporation. If the data on these computers is unsecured, the success of the
corporation is at risk. In order to protect the data held on computer devices within a corporation, a
security suite of applications protects against and acts upon viruses, malware, and other malicious
attacks. Corporations may also adopt a standard operating system security patching cycle to ensure
the security of the operating system code. The focus of this exercise is the Intel (McAfee) Suite of
tools and the Windows 7 Enterprise operating system.
According to the Gartner Group, Intel (McAfee) is one of the leading vendors offering endpoint
protection platforms (EPP) solutions. What is an EPP? The enterprise endpoint protection platform
(EPP) is an integrated solution that emerged in the 2006 time frame composed of previously
separate capabilities. These include Anti–malware, Personal firewalls,
Host–based intrusion prevention, and Port and device control. (Firstbrook et al.). The following
tables shows the Gartner Magic Quadrant for Endpoint Protection Platforms. The Magic
Quadrant for Intel (McAfee) shows that the company resides in the "Leaders" quadrant.
Liverette 2
Figure 1: Gartner full Magic

Data Communications And Computer Networking
Data Communications and Computer Networking Genesis to Revelations paper Sai Kiran Kolanka
Wilmington University
TABLE OF CONTENTS
Genesis..........................................................................................................3
Extension...............................................................................................4
Conversion.............................................................................................4
Revelation..............................................................................................5
Subversion.............................................................................................5
Diversion...............................................................................................5
Unintentional..................................................................................................6
Emersion.............................................................................................6
Aspersion.............................................................................................7
Factors affecting Android Technology....................................................................7
Openness.............................................................................................8
Programmability....................................................................................8
Self–organizing mechanism.......................................................................8
Conclusion..........................................................................................9
References...........................................................................................9
The Xbox One is a gaming console made by Microsoft, Inc. It is in the middle of its product life, 2
years old at the time of this paper. The success of the original Xbox, and Xbox 360 provided a
platform for Xbox one to succeed and capture market share for competition – Sony PS3 and
Nintendo. Xbox one has become a bestselling gaming console with millions of units sold around the
world.
Genesis:
Video games were originated first in laboratories by scientists. "This first idea came from their
imaginations in late 1940s but unfortunately it did not reach the people as they were confined only
to laboratories.

Computer Network and Data Warehouse
Chapter 11 Enterprise Resource Planning Systems 1. Closed database architecture is a. a control
technique intended to prevent unauthorized access from trading partners. b. a limitation inherent in
traditional information systems that prevents data sharing. c. a data warehouse control that prevents
unclean data from entering the warehouse. d. a technique used to restrict access to data marts. e. a
database structure that many of the leading ERPs use to support OLTP applications. 2. Each of the
following is a necessary element for the successful warehousing of data EXCEPT a. cleansing
extracted data. b. transforming data. c. modeling data. d. loading data. e. all of the above are
necessary. 3. Which of the following is typically NOT part of ... Show more content on
Helpwriting.net ...
d. do not see the data warehouse as an audit or control issue at all because financial records are not
stored there. e. need not review access levels granted to users since these are determined when the
system is configured and never change. 10. Which statement is most correct?
a. SAP is more suited to service industries than manufacturing clients. b. J.D. Edwards's ERP is
designed to accept the best practices modules of other vendors. c. Oracle evolved from a human
resources system. d. PeopleSoft is the world's leading supplier of software for information
management. e. SoftBrands provides enterprise software for the hospitality and manufacturing
sectors.
Chapter 12 Electronic Commerce Systems 1. Which of the following statements is correct? a.
TCP/IP is the basic protocol that permits communication between Internet sites. b. TCP/IP controls
web browsers that access the web. c. TCP/IP is the document format used to produce web pages. d.
TCP/IP is used to transfer text files, programs, spreadsheets, and databases across the Internet. e.
TCP/IP is a low–level encryption scheme used to secure transmissions in higher–level (HTTP)
format. 2. Which of the following best describes a system of computers that connects the internal
users of an organization distributed over a wide geographic area? a. LAN b. Internet c. decentralized
network d. multidrop network e. intranet 3. Sniffer software is a. used by malicious websites to sniff
data from cookies stored on the

Computer Dynamic 's Current Data And Communication Network
The purpose of this report is to assess Computer Dynamic's current data and communication
network. The objective of the report is to offer a proposed solution for a modern network that meets
the organisation's needs. A review of existing network was conducted; school management and
number of students were observed. Current network performance was provided by the management.
A physical assessment of the whole school was conducted. Findings The existing network is
exhibiting congestion, bottlenecks, poor speed and is not adequate for growth in line with company
strategy . There is no physical connection between the two buildings occupied by the organisation.
The school is already sharing information through a VPN site to site tunnel. The current VPN
approach throughout the school is not efficient. There is currently a disaster recovery opportunity in
place of school data. Recommendations An investment is required to form a physical network
connection between the school, Fibre Optic is suggested. An investment in layer 3 switching
technology is recommended to take advantage of the Fibre Optic upgrade An investment in
hardware for disaster recovery is highly recommended. Two major departments should consider
moving to Cloud based technology to replace existing applications. 1– ANALYSIS OF USER
REQUIREMENTS 1.1 Network users; Analysis The following section describes the users as
functional group in the school locality and outlines the type

Computer and Salem Data Services
For the exclusive use of R. Ortega
9–104–086
REV: NOVEMBER 1, 2005
WILLIAM J. BRUNS, JR.
JULIE HERTENSTEIN
Salem Telephone Company
In April 2004, Peter Flores, president of Salem Telephone Company, was preparing for a meeting
with Cynthia Wu, manager of Salem Data Services. An agreement with the state Public Service
Commission had permitted Salem Telephone to establish Salem Data Services, a computer data
service subsidiary, to perform data processing for the telephone company and to sell computer
service to other companies and organizations. It was necessary for these two companies to be
separate because Salem Telephone was a regulated utility, and Salem Data Services was an
unregulated company. Flores had told the ... Show more content on Helpwriting.net ...
Intracompany work was billed at $400 per hour, a rate based on usage estimates for 2001 and the
Public Service Commission's restrictions that cost to Salem Telephone should not exceed an average
of $82,000 per month. Commercial sales were billed at $800 per hour.
While most expenses summarized in the report were self–explanatory, Flores reminded himself of
the characteristics of a few. Space costs were all paid to Salem Telephone. Salem Data Services
rented the ground floor of a central exchange building owned by Salem Telephone for $8,000 per
month. In addition, Salem Data Services paid a charge for custodial service based on Salem
Telephone's estimated annual cost per square foot, as telephone personnel provided these services.
Computer equipment had been acquired by lease and by purchases; leases had four years to run and
were noncancelable. Owned equipment was all salable but probably could not bring more than its
book value in the used–equipment market.
Wages and salaries were separated in the report to show the expense of five different kinds of
activities. Operations salaries included those of the six people necessary to run the center around the
clock; in addition there were operations wages paid hourly workers who were required when the
computer was in operation. Salaries of the programming staff that provided service to clients and
maintained the operating system were reported as system

Backup Devices and Strategies Essay
Backup Devices and Strategies
Table of Contents
Introduction ............................................................................................3
Removable Storage ........................................................................ 3 Capacity
............................................................................. 3 Media Cost
.......................................................................... 3 Storage Media
Chart...............................................................4 Tape Base Systems
.........................................................................4 Magnetic–Optical Systems
................................................................5 MO
Picture...........................................................................5
Network Storage..............................................................................6
Backup Software .............................................................................8
Backup Principles ............................................................................9
Backup Diagram.................................................................10
Power Failures..............................................................................10
If you're ... Show more content on Helpwriting.net ...
(Iomega's Jaz 2GB Gives Users More Storage Space and Solid Performance by Sheldon Leeman,
July 1998.) With capacities of 1GB and 2GB, respectively, these are well suited for storing digital–
video and image files, multimedia presentations, or DTP layouts. Mag–Optical (MO) and DVD–
RAM drives have tremendous capacities, but due to the high costs and relative obscurity of the
formats, few people have bought into these storage systems so far, being that their more adaptive to
Network Storage.
Media Cost
After the initial outlay for the drive, you'll be faced with the cost of the storage media the drive uses.
Keep in mind that what seems like a bargain may be a moneypit in disguise. For example floppy
disks are still the cheapest per–unit media at approximately 50 cents each, but on a per–megabyte
cost basis (around 35 cents per megabyte), they're the most costly form of storage. Also on the

expensive end of the spectrum are 640 MB, Mag–Optical disks, at about 5.5cents per megabyte, and
1GB Jaz media at 6 to 7 cents per megabyte. Jaz2 and super–floppy media end up costing between
3.5 and 5 cents per megabyte. The best deal in town is CD–R media, which cost under a penny per
megabyte.
STORAGE MEDIUM
DRIVE COST
MEDIA COST
MEDIA COST(per MB)
CD–R 650MB
$175. to $400.
$1.30 to $2.50
0.3 cents
DVD–RAM 5.2GB
$500

Disadvantages Of Technology
Introduction The pace at which technology revises our ways of working and living is rapid and
accelerating. It influences all aspects of our lives and few people escape its effects. As has been
covered already the way that dentistry is practiced has changed significantly and technology will
continue to both ease and complicate the life of the dentist. This chapter considers the challenges
and opportunities around storage, sharing and usage of data – particularly large datasets. An
increasingly important area of IT/Computer Science/Informatics is data science and as big data has
become more prevalent across many industries and sectors there has been the emergence of larger
numbers of highly skilled data scientists to support the challenges of data storage, sharing and
usage. Such experts can provide far more comprehensive advice and expertise than such a short
chapter, however, the key considerations of a data scientist are set out in this chapter to help explain
the value that such expertise brings. Big Data can mean different things to different
people/organisations – one organisation's big data of a few terabytes may seem small compared to
another organisation's big datasets in petabytes or exabytes. Big Data is typically described by the
following characteristics, known as the "5 Vs": Volume – the quantity of generated and stored data.
The volume of the data determines the value and potential insight, and whether it can be considered
big data or not; Variety

Computer Science And The Big Data Management Essay
Deepak Singh Latwal
Department of Computer Science
University of Technology and Management
Shillong, India
Deepak.latwal@stu.utm.ac.in
Jayanta Chaudhary
Department of Computer Science
University of Technology and Management
Shillong, India jayanta.chaudhary@stu.utm.ac.in Abstract– The Data which is structured and
unstructured and is so large with massive volume that it is not possible by traditional database
system to process this data is termed as Big Data. The governance, organization and administration
of the big data is known as Big Data Management. For reporting and analysis purposes we use data
warehouse techniques to process data. These are the central repositories from disparate data sources.
Now Big Data Management also requires the data warehousing techniques for future predictions
and reporting. So in this paper we touched certain issues of data warehousing usage in Big Data
management, its applications as well as limitations also and tried to give the ways data warehousing
is useful in Big Data Management.
I. INTRODUCTION
We are living in data age, around twenty one zetabytes of data is predicted to be there till 2020.
Recent years have witnessed a dramatic increase in our ability to collect data from various sensors,
devices, in different formats, from independent or connected applications. This data flood has
outpaced our capability to process, analyze, store and understand these datasets. Today people are
totally into social networking sites

Online Shoppers Plan For Buying A Non Downloadable Music...
Ecommerce
Koreans who shop online are most likely to buy books, cosmetics, clothing/accessories/shoes and
groceries via the Internet in the next six months. While connected Chinese also favor books and
clothes, 40 percent plan to make an electronic purchase online.
Web–savvy Malaysians like online shopping for booking travel, with airline tickets and hotel/tour
reservations the top picks.
More online Australians intend to purchase event tickets and non–downloadable
videos/DVDs/games than any other in the region. And one–fifth of online Indian shoppers plan to
buy non–downloadable music.
Total online spending as a percentage of total monthly spending varies by country with Chinese and
Korean online consumers allocating the most via the web than any other in the region. Online
consumers in New Zealand, Australia, Malaysia and Hong Kong allocate the least.
North America
Half of online Americans favor sites for stores that can only be shopped online and the majority of
Canadian web shoppers are split between a preference for online–only sites (31%) and those that
have traditional physical stores (19%). The list of products and services that are favored by
American and Canadian online shoppers is almost identical. Books, clothing and airline tickets are
the items most likely tagged for online purchase in the next six months. One–third of online
Canadians say they don't plan on making an online purchase in the next six months, which is more
than the one–fifth of connected

Data De-Duplication Essay
Abstract– Data de–duplication is one of essential data com–pression techniques for eliminating
duplicate copies of repeating data, and has been widely used in cloud storage to reduce the amount
of storage space and save bandwidth. To protect the confidentiality of sensitive data while
supporting de–duplication, the convergent encryption technique has been proposed to encrypt the
data before outsourcing. The main motivation behind using this technique is making convergent
encryption practical to capably and consistently manage a huge number of convergent keys and
achieving competent and consistent key management in secure de–duplication. At we first introduce
a baseline approach in which each user holds an independent master key for encrypting ... Show
If you can de–duplicate what you store, you can better exploit your existing storage space, which
can save capital by using what you have more proficiently. If you store less, you also back up less,
which again means less hardware and backup media. If you store less, you also send less data over
the network in case of a disaster, which means you save money in hardware and network costs over
time. The business benefits of data de–duplication include: Reduced hardware costs; reduced
backup costs; reduced costs for business continuity / disaster recovery; increased storage efficiency;
and increased network efficiency.
Data de–duplication is a method for sinking the amount of storage space an organization needs to
save its data. In most organizations, the storage systems contain duplicate copies of many pieces of
data. For example, the identical file may be saved in several different places by different users, or
two or more files that aren't identical may still include much of the equivalent data. De–duplication
eliminates these extra copies by saving just one copy of the data and replacing the other copies with
pointers that lead back to the original copy. Companies normally use de–duplication in backup and
disaster recovery applications, but it can be used to free up space in primary storage as

What are Version Control Systems? Essay
The data, its versions, and all the information associated with each version are stored in a location
called repository. There are four repository models commonly employed in Version Control
systems. The earlier version of Version Control systems kept repository local – the person making
the changes and the repository would be on the same machine . There are also examples of
repository located on a shared folder which allows users from within a local area network to
collaborate (4). Later on, client/server models became popular where the central repository is
located on a server and all clients are able to read and submit changes. In the recent years,
distributed repository systems are getting increasing interest as ... Show more content on
Helpwriting.net ...
If the update contains changes that would conflict with the local changes, local copy goes into
conflict state. The changes on the local copy needs to be reviewed and should be marked as resolved
after complying with the changes of the repository.
The changes may be stored in the repository using various models. The simplest model is snapshots,
where a complete copy of the data set is stored for each version. For certain data types, this method
is still employed – such as in the version control of images, binary media where determination of
atomic data unit is not necessarily well defined. For data sets that have a well defined atomic data
unit, the most common method is changesets (deltas), where only the modified atomic data units are
stored with each version. This, in most cases, provides significant saving in repository storage
space.
The changeset method, however, comes with the need of data set construction in order to get to a
certain version of it. For example, in order to check out the latest version of the data set, a build
process is required starting from the initial version of the data set (version 1), incorporating each
delta, all the way to the last version, traversing the complete version tree. A typical software project
repository is composed of thousands of versions. Assuming most users are interested in the latest
version of the data

A Survey On Big Data And Computer Forensics
A Survey of Papers on Big Data and Computer Forensics Damon Jones Abstract– Data is the ability
to integrate, synchronize, manage and valuate this data deluge, extremely with a great diversity of
type [8]. Smartphones have become popular in recent days due to the accessibility of a wide range
of applications. These sophisticated applications demand more computing resources in a resource
constraint smartphone. Cloud computing is the motivating factor for the progress of these
applications. The emerging mobile cloud computing introduces a new architecture to offload
smartphone and utilize cloud computing technology to solve resource requirements. The popularity
of mobile cloud computing is an opportunity for misuse and unlawful ... Show more content on
Helpwriting.net ...
Mobile Cloud computing is a combination of two new emerging information technology worlds.
The motive of the mobile cloud computing concept is to make use of the computing power of the
cloud environment and make it available to the mobile devices in order to solve the challenges in a
mobile environment. In recently developed mobile cloud architecture, mobile devices can access
cloud services either through ad–hoc mobile network or access points [9]. II. FINDINGS Web
search engines (Google, Amazon, and Yahoo) are the first to face the problem of big volume of data
to handle in real time. Therefore, they are the first to develop big data management tools and make
them available to open sources communities [8]. Gartner [8] uses the "3 Vs" to describe big data:
The 5 Vs in Big Data analysis [8] Volume: covers the size of the data needed for management. There
is more data than ever before, its size keep on growing exponentially: 90% of all the data available
today were created in the last two years . A short time ago, we were talking about gigabytes, we are
talking now relatively about terabytes, petabytes, exabytes and even zettabytes. Velocity: describes
the speed with which the data is generated and processed. We are focused on getting knowledge
from the data arriving as streams in real time. More we focus on real time; more we are in big data
problem. Gradually, the immediate

Data Breach: Computer Security
Data Breach:
Ensure proper physical security of electronic and physical restricted data wherever it lives.
 Lock down workstations and laptops as a deterrent.
 Secure your area, files and portable equipment before leaving them unattended.
 Don't leave papers, computers or other electronic devices visible in an empty car or house.
 Shred sensitive paper records before disposing of them.
 Don't leave sensitive information lying around unprotected, including on printers, fax machines,
copiers, or in storage.
Laptops should be secured at all times. Keep it with you or lock it up securely before you step away
–– and make sure it is locked to or in something permanent.
Use extra security measures for portable devices (including laptop computers) ... Show more content
on Helpwriting.net ...
These can harbor behind–the–scenes computer viruses or open a "back door" giving others access to
your computer without your knowledge.
Insecure disposal & re–use:
Photocopiers that were used to copy sensitive medical information were sent to be re–sold without
wiping the hard drives. The data was discovered in the warehouse storing the copiers.
Destroy or securely delete restricted data prior to re–use or disposal of equipment or media. For
information on how to securely delete files, see PC/Mac, or email.
Contractor computer compromised:
You are responsible for the security of all UCSC restricted data you transmit or provide access to,
including to non–UCSC machines and contractors.
Ensure proper contract language is in place and that contractors understand their obligation for
protecting sensitive UCSC information.
Never send or download PII to an insecure or unknown computer.
Development server compromised:
People sometimes think that "test" and "development" systems don't need to be as secure as "live"
or "production" systems. This is a myth. If real data is used, it needs to be protected based on its
level of sensitivity, regardless of what kind of system it is in. Otherwise it's an easy nvitation for

Creating A Small Business Computer And Data Security
Abstract
The purpose of his proposal is to provide inquiry and identify the best way to implement
fundamental plans to individuals who wish to build and run a small business in addition to the lack
of information they may bear on the importance and sustainability of protecting their networks and
data against cyber–attacks.
Figure 1: Map Display of international cyber–attacks. Introduction
In recent years, Cybercrime has increased radically and it is becoming more vital for people to grant
protection on their computers and data just as they do with anything else they deem needs to be
secured. The improved rate for the need of security also applies to conceptual institutes of small
businesses. Small businesses keep record of client, personal, product, and explicit company finance
information and data. With this wealth of information and the increase in cybercrime, small
businesses need an effective solution to defend their computer systems and data from cyber–
attackers.
Small business computer and data security is an imperative dispute that needs to be resolved.
Research is a considerable necessity to ascertain what small business owners need to put into action
in response to guarding themselves and their clients from the jeopardy associated with data
concession. Small businesses employ a great deal of financial transactions and need to safeguard
their data. If the data were to be conceded in some form or way, innumerable amounts of people
would be at peril of identity

Cryptography : Computer And Science Of Breaking Encoded...
Cryptography:–
If you want to keep information secret, you have two possible strategies: hide the existence of the
information, or make the information unintelligible. Cryptography is the art and science of keeping
information secure from unintended audiences, of encrypting it. Conversely, cryptanalysis is the art
and science of breaking encoded data. The branch of mathematics encompassing both cryptography
and cryptanalysis is cryptology.
Modern cryptography uses sophisticated mathematical equations (algorithms) and secret keys to
encrypt and decrypt data.
Encryption Decryption
Today, cryptography is used to provide secrecy and integrity to our data, and both authentication and
anonymity to our communications.
Types of Cryptography:–
There are a few methods for grouping cryptographic calculations. For purposes of this paper, they
will be classified focused around the quantity of keys that are utilized for encryption and decoding,
and further characterized by their application and utilization. The three sorts of calculations that will
be examined are:
Secret Key Cryptography (SKC): Uses a single key for both encryption and decryption
Public Key Cryptography (PKC): Uses one key for encryption and another for decryption
Hash Functions: Uses a mathematical transformation to irreversibly "encrypt" information
Secret Key Cryptography:–
With Secret key cryptography, a solitary key is utilized for both encryption and

Walnut On Asphalt Case Study
1. The higher drop heights for black walnut on asphalt will less run ins with predators while
foraging 2. The lower drop heights for English walnut on asphalt will make foraging more energy
efficient 3. A height of 6 m will break English walnut on asphalt and lessen foraging time 4. A
height of 9 m will break a black walnut on asphalt and a English walnut on soil with the least energy
expenditure A. I would expect individuals to ignore false alarm calls when there is a competitive
feeding situation. This is because it is in these types of situations the capuchin monkeys are
attempting to steal the food of their neighbors. If the prediction is supported, then the monkeys are
going to be anticipating the deceptive behaviors of their neighbors

Networked Computers, Routers And Data Links

Recommended

Recommended

More Related Content

Similar to Networked Computers, Routers And Data Links

Similar to Networked Computers, Routers And Data Links (7)

More from Jessica Simms

More from Jessica Simms (20)

Recently uploaded

Recently uploaded (20)

Networked Computers, Routers And Data Links