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Question:
(a) Show by means of a diagram the Ethernet frame structure and describe the six fields of the Ethernet frame structure.
(b) Explain the operation of the Carrier Sense Multiple Access/Collision Detection (CSMA/CD) contention technique used by Ethernet.
(c) Explain the characteristics of CSMA/CD in terms of:
i. Order of transmission. ii. Length of wait time before transmission takes place. iii. Network saturation. iv. Capture effect.
(d) What is the purpose of the terminator at each end of a bus in a bus topology.
(e) Explain the operation of a Token Ring topology for a LAN. Your answer should include
i. A description of the token passing process. ii. The specific IEEE standard. iii. The problems inherent with a ring topology.
Q. What do you understand by OSI? Ans: The Open System Interconnection (OSI) reference model illustrates how information from a software application in one computer goes throug
QUESTION (a) Name two properties of an agent (b) List the three characteristics used to classify agents according to the Nwana Taxonomy (c) Agent environments can be clas
Programming Based on Message Passing As we know, the programming model based on message passing uses high level programming languages like C/C++ along with a number of message
Packet Cost Both distance vector and link state routing are lowest algorithms. Tow factors govern how cost is applied to packets in determines a route. Cost is a
Customer Premise Equipment (CPE) are devices physically located at the subscriber's premises. Includes both owned and leased equipment.
- The model was developed by the ISO (International Organisation for Standardisation) in 1984. It is currently considered the primary Architectural model for inter-computer communi
Example of transport layer are:- a) TCP is connection oriented. b) UDP is connectionless
what is end to end and host to host?
Q. Show the Security Policy as well Integrated Security ? Security policy is on paper statement describing what assets are to be protected and why who is responsible and which
Q. Explain about Bandwidth – delay product? Bandwidth - delay product - A measure of competence of ARQ system = bandwidth (bits per second) * round-trip delay (in seco
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