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QUESTION:
(a) Below is a capture of an Ethernet II frame which contains an IPv4 packet and a TCP segment. Give the source MAC address for the frame in hexadecimal; the source IP address, the total length in bytes and the header checksum for the packet in decimal; the destination port number in decimal for the segment and hence deduce the application layer protocol this segment is destined to.
00 24 2b ec 4a cc 00 19 4b 3b f2 10 08 00 45 00 01 de 56 08 00 00 38 06 38 9e 4a 7d e6 44 c0 a8 01 0a 00 50 2c 5e 28 b6 ca f6 e1 5e 81 e8 50 18 1c 0e a1 9d 00 00
(b) Given a following information by your ISP about your newly acquired 256 kbps Frame Relay Over IP connection: Public IP: 202.123.21.0 /26
You are required to design a network layout which constitutes of a LAN having 3 subnets (with Internet connectivity) for each department in your company.
BUSINESS NEEDS Information security performs four main functions for an organization. 1. Protects the ability of organization to function. 2. Enables safe operation of applicat
Develop a TCP-based client-server socket program for transferring a large message. The message transmitted from the client to server is read from a large file (size is about 30000
In 10 or more pages, address the following topics (be sure to use diagrams as well as references). 1) Define broadband and baseband transmission technology. 2) Describe broadban
(a) Cost allocation mechanisms are important when it comes to establishing other aspects of inter-firm compensations and how these are transferred to the users. There are two pri
Network-Based IDS (NIDS) A NIDS resides on computer or appliance connected to segment of an organization’s network and looks for signs of attacks. While examining packets, a NID
Using the selected approach, you should then conduct an audit or review of the information security issues associated with the use of computing facility and report on the findings.
Problem: (a) Use a simple example to explain what is meant by a finite state machine. (b) Describe the time limit problem in an interrupt-driven system. (c) A certain m
Repeater known as regenerator ; it is an electronic machine that performs only at physical layer. It gets the signal in the network before it becomes loss or weak, recreates the
In broadcast topology there are further two types 1) SATELLITE\RADIO 2) RING TOPOLOGY In a radio or satellite topology every computers are connected to each other via radio o
Problem a) Give the destination IP address, upper layer protocol, TTL in decimal and header checksum in hexadecimal; the source port number and the destination port number in deci
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