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IT INFRASTRUCTURE
IT Infrastructure
Table of Contents
Introduction3
Campus Overview4
Services Needed in the Campus LAN6
Scope8
Campus LAN Design Considerations8
Enterprise Computing Trends9
Infrastructure Solutions13
Campus Architecture Overview14
Layered Approach14
Benefits and Challenges to the Layered Approach16
A Network Revolution16
Implementation: Access Layer17
Access Layer Design Considerations18
Wired Port Connectivity18
WLAN Connectivity18
PoE19
Virtual LAN and Spanning Tree Protocol20
Spanning Tree Protocol (STP)20
Issues with STP21
Using Layer 2 versus ...
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RADIO FREQUENCY IDENTIFICATION TAGS
Radio Frequency Identification Tags
Executive Summary
The technology of Radio Frequency Identification or RFID imparts wireless communication between the readers and the RFID tags and with the non line-of-sight readability. With these important characteristics, the RFID tags eradicate the need of entering the data manually and bring in the ...
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Potential Security Threats on PC
Potential Security Threats on PC
Introduction
Today, everyone is used to of using the computer and internet at their homes, offices and organizations. There is a lot of advancement in the technology within the last decade. This technology also brought some potential risks and threats to our computers. ...
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Computer Systems
Computer Systems
Computer Systems
Introduction
Small-Sized Enterprises often find it hard to deal with the customers in terms of order placement and delivery. In order to ensure the successful operations, SMEs often resort to online ordering system. Fortunately, there are steps companies can take to ensure invoices are completely accurate and issued ...
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Cyber Security
Cyber Security
Network Security
Network security is a security level that ensures the operation of all machines on a network is optimal and that all users of these machines possess their rights have been granted. Network Security tends to be related to the security of the network the organization tends ...
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Security Policy Evaluation
Security Policy Evaluation
Introduction
I have been hired as a new IT manager to work with the US Geological Survey. The organization serve the nation by providing the information to the people related to the well being of earth and environment. In order to provide reliable information to the ...
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CRYPTOLOGY
SSL and HTTPS
SSL and HTTPS
Introduction
The emergence of communication networks, particularly the Internet, has opened new possibilities for information exchange. At the same time, there are increasing threats to the security of information transmitted. It is therefore, necessary to create different mechanisms intended to ensure the confidentiality and authenticity of electronic ...
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Indexing FOR WEB SEARCH
Indexing for Web Search
Indexing for Web Search
Introduction
The introduction and growth of the World Wide Web (WWW, or Web) have resulted in a profound change in the way individuals and organizations access information. In terms of volume, nature, and accessibility, the characteristics of electronic information are ...
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Studying Social Networks
Studying Social Networks
Introduction
The 21st-century landscape is characterized by increasing globalization and a very accelerating change. In the simplest terms, a social network is a set of people with a set of connections representing the existence of a relationship, or lack of relationship, between each pair of people. The ...
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NETWORK DESIGN
Network requirements and design
Network requirements and design
Introduction
Wireless computing and communications devices have permeated every aspect of business and personal lives. With the increasing interest and developments in wireless technologies, wireless mesh networks (WMNs) have started to emerge as the most promising model for integrating different wireless networks ...