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Computer Networks
1. Differentiate WAN and LAN.
2. Describe the TCP/IP Reference Model with diagram.
3. Explain Circuit switching and message switching.
4. List the functions of (i) Routers (iii) Bridges.
5. State the terms Error Detection and Correction with respect to Data Transmission. Also describe the following concepts with respect to Error Detection and Correction:
a. Parity Bits b. Cyclic Redundancy Check
6. Write short notes on
(i) Non-Persistent CSMA (ii) 1-Persistent CSMA (iii) P - Persistent CSMA.
The disadvantages and advantages of Private and Public networks are shown in the table below:
Thinnet Characteristics Shorter range (185 meters) as well as smaller capacity Bus topology LAN Connectors and cables include: thin coaxial cable, NICs and BNC-T
"arpa" is used by the Cisco IOS for which encapsulation types Ans) Ethernet_II
Question 1 Distinguish CISC and RISC Question 2 Write a short note on Asynchronous Transfer Mode of transmission Question 3 Explain various client/server applications using Ja
Hyper Cube: A Hypercube interconnection network is an expansion of cube network. For n=3, Hypercube interconnection network may be described recursively in this manner: For n
What are the Access methods used in LAN: i. Switched access: It is used in LANs which are assigned around CBXs. Electronic switching is techniques are used to provide access
A magazine publisher based in Nairobi has branch in Kisumu, and one in Mombasa. The company has kept in touch by telephone and courier service. Each office is networked. The networ
Asynchronous or Statistical Time Division Multiplexing As we have seen synchronous TDM does not guarantee that the full capacity of a link in sued. In fact it is more like
Question 1 Videoconferencing is used to conduct meetings with the people who are located in far distance. Videoconferencing is an example of which type of computer networks? Expla
Describe Network Topology and VPN Network Topology refers to the layout of a computer network. It presents how devices and cables are physically laid out, as well as how they j
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