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QUESTION :
a) A datagram of 3000 bytes has to travel over a network with a MTU size of 1000 bytes. Describe how fragmentation can be used to solve this problem. You should provide the value of the 3 key fields used in fragmentation for each fragment created.
b) Ethernet has grown in popularity in the recent years and is now widely used in LANs. Give reasons for the success behind Ethernet.
c) Ethernet uses CSMA/CD. Explain the features behind CSMA/CD.
d) A repeater is a physical-layer device generally used in an Ethernet network. List the features of a repeater.
e) Consider you have to recommend someone to build a network. Would you recommend him to use a repeater? Illustrate your answer giving your reasons, specifying any other device that will be used instead.
Write down short notes on the architecture of WWW which is World Wide Web. WWW which means The World Wide web or the web is a repository of information spread worldwide and rel
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Early networks used simple point-to-point communication . In such a method of communication every communication channel connects exactly two devices. In this way it prepares a m
B a s i c functions of e-mail system are given as follows: C o mp o sition refers to the procedure of creating messages and the answers. Though any text editor can be
Host-Based IDS A host-based IDS (HIDS) resides on a particular computer or server and monitors activity only on that system. HIDS also called as system integrity verifiers as th
Explain how can we achieved privacy in an e-mail system. The full form of PEM is Privacy Enhanced Mail: PEM is the internet Privacy Enhanced Mail standard adopted
how to link html with a data base
doing coursework in Network Security to present a possible solution to the problem at hand by creating a prototype of the new network security infrastructure. This new design shou
What do you understand by the DNS? Explain the usage of the resource rec or ds. Domain Name System is described below: The Domain Name Service (DNS) is the hierarchi
Simplex data exchange Simplex communication defines to communication that happens in one direction only. Two definitions have made over time: a common definition, which is des
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