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What is the difference between a hub and a switch?
A hub acts as a multiport repeater. Though, as more and more devices connect to it, it would not be able to efficiently manage the volume of traffic that passes by it. A switch gives a better alternative that can improve the performance especially when high traffic volume is expected across all ports.
Mail Access Protocols The e mail message are usually sent to an email server that stores received message in the recipient e mail mailbox. The user retrieves messa
Question : a) Give three examples of vulnerable services which are among the overwhelming majority of successful attacks. b) Name the five outside sources which can be the
Dijkstra Algorithms To calculate its routing table each router applies an algorithm called the dijkstra algorithm to its state database. The dijkstra algorithm calculate
Recognize the command to show the hardware platform information Ans) Show version is the command to show the hardware platform information
Can you define Data link Layer?
Repeaters - Operate only in physical layer - Connects two segments of the same LAN - Both segments must be of the same protocol - Only forwards frames; does not filter
Question : (a) List down and explain the different signal propagation behaviours that radio waves exhibit. (b) Explain the term Delay Spread with reference to signal propaga
Some of the ?elds of IP and ICMP datagrams will be ?xed, some will be settable by the application, and others will computed according to the situation. You must set all ?elds of th
100Base-FX Utilizes two identical optical fibers in star topology One fiber holds frames from the station to hub one from hub to station Encoding is 4B/5B Si
Q. What are the main categories based on which applications of computer network will be categorized? Ans: The main areas under which the applications for computer network will
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