Power Over Ethernet


PoE
¢ Power over Ethernet is a mechanism for supplying power to network devices over the same cabling used to carry network traffic. PoE allows devices that require power, called Powered Devices (PDs),such as IP telephones, wireless LAN Access Points, and network cameras to receive power in addition to data, over existing infrastructure without needing to upgrade it.
¢ This feature can simplify network installation and maintenance by using the switch as a central power source for other n ....etc

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10 GIGABIT ETHERNET
A SEMINAR REPORT
Submitted by
VIKASH MISHRA
in partial fulfillment of requirement of the Degree
of
Bachelor of Technology (B.Tech)
in
COMPUTER SCIENCE AND ENGINEERING
SCHOOL OF ENGINEERING
COCHIN UNIVERSITY OF SCIENCE AND TECHNOLOGY
KOCHI- 682022
AUGUST 2008Page 2

DIVISION OF COMPUTER SCIENCE AND ENGINEERING
SCHOOL OF ENGINEERING
COCHIN UNIVERSITY OF SCIENCE AND TECHNOLOGY
KOCHI-682022
Certificate
Certified that this is a bonafide record of the seminar entitled
10 GIGABIT ETHERNET
Presented by the foll ....etc

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SEMINAR REPORT ON WIRELESS LAN SECURITY
Abstract:
a. The 802.11 Wireless LAN Standard
In 1997, the IEEE ratified the 802.11 Wireless LAN standards,
establishing a global standard for implementing and deploying Wireless
LANS. The throughput for 802.11 is 2Mbps, which was well below the IEEE
802.3 Ethernet counterpart. Late in 1999, the IEEE ratified the 802.11b
standard extension, which raised the throughput to 11 Mbps, making this
extension more comparable to the wired equivalent. The 802.11b also
suppo ....etc

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SEMINAR REPORT
ON
WIRELESS LAN SECURITY
I. Introduction
a. The 802.11 Wireless LAN Standard
In 1997, the IEEE ratified the 802.11 Wireless LAN standards,
establishing a global standard for implementing and deploying Wireless
LANS. The throughput for 802.11 is 2Mbps, which was well below the IEEE
802.3 Ethernet counterpart. Late in 1999, the IEEE ratified the 802.11b
standard extension, which raised the throughput to 11 Mbps, making this
extension more comparable to the wired equivalent. The 802.11b also ....etc

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Wireless LAN Security




Introduction

Network components


Access Point : Bridges wireless client to the wired Ethernet network

STP (spanning tree, IEEE 802.1d) dynamic topology

Broadcast traffic like a hub


Clients or Stations

Two modes


Ad-hoc : direct connection between two WLAN interfaces of stations


Infrastructure : connection between AP and stations

Technology characteristics


Permanently send beacons (contro ....etc

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Problem statement,introduction,
Algorithm, use case diagram ....etc

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Introduction
LAN forms basis of all commercial,research,and data communication networks.Recently an increase in applications demand significantly higher band width. Ethernet is an easy to understand and extremely cost-effective technology. For these reasons, 98% of local area network (LAN) connections are now Ethernet based.
To meet this,high speed LAN types have been developed ,including a number of variations of basic ethernetLANs. CSMA/CD(carrier sense multiple access with collision detection) is used widely in ....etc

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