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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.
Who are the individuals who cause these security problems? Many unauthorized people who cause network security problems for obtaining information about the other users and causi
Your rules should ensure that Internet access will be restricted to the following: Only the following services will be permitted as OUTBOUND traffic (to the Internet from the DM
Attacks on Cryptosystems Attacks are attempts to achieve unauthorized access to secure communications have characteristically used brute force attacks. Attacker may alternatively
FRAGMENTATION One method is to limit datagram size to smallest MTU of any server. IP needs fragmentation i.e. datagrams can be divided into pieces to fit in network with small
Problem 1: a) One of the limitations of file processing systems is data inconsistency. Briefly explain with the help of an example what do you understand by this phrase. b)
Question: (a) Give 2 benefits of using IPsec. (b) IPSec uses two protocol for security: Authentication Header protocol (AH) and the Encapsulated Security Header Protocol (
SDLC Systems development life cycle (SDLC) is process of developing information systems through analysis, design, investigation, implementation and maintenance. SDLC is called as
ACCESS CONTROL DEVICES Successful access control system includes number of components, which depends on system’s requirements for authentication and authorization. Powerful auth
SECURITY ANALYSIS Overview • Know yourself: examine, identify, and understand the information and systems which are currently in place • Know the enemy: examine, identify,
ROUTING TABLES AND ADDRESS MASKS Additional information is saved in routing table. Destination is kept as network address. Next hop is saved as IP address of router. Address m
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