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QUESTION:
(a) Explain, with the aid of a diagram, a Star topology of a network of your choice.
(b) Illustrate on the use of a MAN and give an example of one.
(c) Describe the functionality of a router
(d) Show the improvements over HTTP 1.0 which has led to HTTP 1.1.
(e) HTTP gives different methods for loading information from a client to a web server, namely: Post, Get and Head. Justify the use of each method.
(f) A cookie is used to maintain the "State" of an HTTP transaction. Explain the content of such a cookie.
(g) You have been hired as a consultant in network administration for the setting up of a campus wide LAN for the UTM campus. Each department in the campus can have its own LAN, running its own services, resources, control policies and security measures.
Telecommunication service provider has allocated an IP Address of 101.168.160.0 and Subnet Mask of 255.255.224.0 to the campus. Determine all possible range of IP Addresses that will be worked out from these two values. Show the details of your working out the addresses.
Question: a) Explain what the following intermediate systems are and how they work? i. Repeater ii. Bridge b) A service is formally specified by a set of primitives (op
Problem: (a) What is a firewall and which are its most important tasks? (b) What is the difference between default deny and default permit? Which advantages and disadvanta
Explain TCP congestion control.
REASON FOR MULTIPLE TOPOLOGIES Every topology has disadvantages and advantages, which are described below: IN A RING: It is simple to coordinate access to other dev
Address resolution algorithms may be grouped into three basic types: Table lookup Closed-form computation Message Exchange 1. TABLE LOOKUP: In Table Loo
what is an SSID?
QUESTION (In this question, you will need to use the ISO 27001:2005 and ISO 27002:2005 standards) For each of the situations below, comment on the following: 1. Mention
Cipher Methods There are 2 methods of encrypting plaintext: • Bit stream method – every bit in the plaintext bit is transformed into a cipher bit one bit at a time. • Block cip
TOKEN RING Many LAN methods that are ring topology need token passing for synchronized access to the ring. The ring itself is acts as a single shared communication phase. Both
Question: a) How many bits per second can be sent on a noiseless 4 MHz channel if four-level digital signals are used? b) If a binary signal is sent over a 3 KHz channel who
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