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Question:
(a) What do you meant by the term ‘LAN'? How is a LAN different from a WAN?
(b) Explain three types of cables which are commonly used with LANs.
(c) Three common networking topologies are the Star, the Ring and the Linear Bus. Provide one advantage and one disadvantage of each of the above topologies.
(d) The program specification phase of the programming process defines five tasks. List four of them.
(e) (a) Describe the meaning of the following terms :
Provide examples of these fields in business and everyday life.
Network Layer and Routing As discussed in previous chapters the physical layer provides connection sand services to the data link layer while the data link layer is
SWITCHING: A switched LAN has a single electronic device that sends frames among the connected devices. A hub with several ports simulates a single shared phase. However a swi
Any protocol used by an internetwork to exchange routing data within an autonomous system. E.g. RIP, IGRP and OSPF.
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Q. How to connect Remote LANs? - Remote bridges acting as connecting devices to connect LANs and point-to-point networks such as leased telephone lines or ADSL lines
Issues with Bridges Connecting Different LANs - Frame format - differences in frame structure, fields used (example Ethernet to Token Ring) - Payload size - size of data en
what is the history behind n.s.t.i.s.s.c
Q. Show the Refraction and Reflection in Fiber-optic cable ? - Refraction often takes place when light bends as it passes from one medium to another less dense medium - Wh
Question: (a) What do you understand by the following terms related to LCDs: Reflective LCDs Backlit LCDs (b) By using an example, explain the main steps of the B
Describe packet filtering firewall?
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