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The LAN switch copies the whole frame into its onboard buffers and then looks up the destination address in its forwarding, or switching, table and verifies the outgoing interface
Compare Error Detection and Error Correction: The correction of errors is more difficult than the detection. In error detection, checks only any error has happened. In error co
One of the key roles of a System/Network Administrator is to monitor log files. This usually requires helper scripts (i.e. Perl programs) so a summary of large log files can be qui
Q. Show Nonreturn to Zero encoding? - Value of signal is for all time positive or negative - NRZ-L Signal level depends on bit represented; positive typically means 0
Question 1: a) How is the four-way exchange employed for mutual authentication in WPA/RSN? b) Elaborate on how inquiry attacks and traffic monitoring attacks can be u
IGRP is a distance vector routing protocol designed by Cisco. The maximum hop count is 255, and it uses a combination of variables to verify a composite metric. IGRP has an adminis
What are the concerns of the Physical Layer? Physical layer coordinates the functions needed to transmit a bit stream over a physical medium. a. Physical characteristics of in
Local information is immediate hop routing table and distance from every switch. The switches regularly broadcast topology information i.e. distance, destination. Other switches mo
Router#
Q. Show the CRC-Performance ? CRC-Performance CRC is able to detect all burst errors that affect an odd number of bits CRC is able to detect all burst errors of
List the Advantages of microwaves. a. They need no right of way acquisition among towers. b. They can carry high quantities of information because of their high operating f
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