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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.
ADDRESS MASKS To identify receiver, network apply address mask to receiver address and calculate to network address in routing table. It can use Boolean 'and' to calculate the
Problem (a) Describe RSA algorithm with an example. (b) Answer the following RSA encryption, given the values of the primes are: p = 17, q = 11 and choosing e = 7. (c)
Sometimes the special character may see in data and as a part of data they will be misinterpreted as packet data. The solution to this cause is Byte stuffing. In general to
People,Procedures,Data Asset Identification-Risk Management The human resources, data information and documentation assets are more difficult to identify. People having knowle
Q. Explain about Security aware protocols? The security-Aware ad hoc Routing (SAR) protocol based on the security attributes integrated into the ad hoc route discovery provides
Encode the following plaintext, using the Caesar cipher: LORD OF THE RINGS b) The following ciphertext jw njbh lxmn cx kanjt has been encoded using a
Problem: (a) What is the minimum length of a password that could be considered to be "strong" in the context of today's computing power? (b) The security of a PIN system,
What is Authentication/confirmation? How it is different from the Authorization/approval? Explain in brief different authentication protocols along with their merits and demerit
INTRODUCTION TO CRYPTOGRAPHY Cryptography The word cryptography is derived from Greek words kryptos, which means hidden and graphein, meaning to write, this is the process of
QUESTION (a) Briefly explain the contents of the Needs Analysis, which is step in the process of network design. (b) Describe on the three ways of improving the performan
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