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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.
Question: (a) With mobile telecommunications providing an important engine for growth, continuing to stimulate growth and to ensure mobiles remain affordable for all, will re
Can you describe IP protocol?
Q. Show the Traffic profiles? Constant-bit-rate traffic - ADR=PDR No MBS Variable-bit-rate traffic ADR != PDR Small MBS Bursty traffic
Multi Tasking Environment Multi tasking exploits parallelism by: 1) Concurrently using the multiple functional units 2) Pipelining functional units are pipe line toget
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
Bridges - Operate in both physical and data link layers - Utilized to divide a network into smaller segments - May as well relay frames between separate LANs - Keeps t
- Lost as well as delayed ACKs - Bidirectional transmission both side needs both sending and receiving windows Note: In selective repeat ARQ the size of the sender and rece
Q. Show the Character-level Encryption? - Substitutional - Monoalphabetic - simplest form; also called Caesar cipher - Every character is replaced with another character
I would like to know the answer of this question.
What is the Frame A presentation format, which enables Web page designers and users to mark a part of the screen for links to other pages. Frames usually appear on the left
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