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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.
Gateways They transfer packets among network machines that have different protocols (e.g. between a WAN and a LAN). They access a packet formatted for one protocol and change
Question 1: (a) Explain the operation of the "matchmaker" middle agent. (b) Describe why broker middle agents are more efficient in terms of the time taken for a service to
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CARRIER SENSE MULTIPLE ACCESS (CSMA) There is no central access management when computers transfer on Ethernet. For this solution the Ethernet employs CSMA to coordinate tran
COMPONENTS OF AN INFORMATION SYSTEM The components of an information system are software, data, hardware, people, procedures and Networks. These 6 components are critical to ena
INTRODUCTION TO PHYSICAL SECURITY The Physical security addresses design, execution, and maintenance of countermeasures which protect physical resources of an organization. The
QUESTION 1: a) Differentiate between a routing protocol and a routed protocol. b) Describe any three design goals of Routing protocols. c) Lists some of the features shared
A half-duplex (HDX) system gives communication in both directions, but only one direction at a time. Hardly, once a party stats receiving a signal, it must need for the transmi
implementing password policy in organisation
You are hired as a consultant to help design a digital library in which books are scanned and stored digitally and made available to users of the World Wide Web. Assume that the li
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