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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.
Q. Show Upper Layers of tcp-ip model? The Session Layer - The Session layer allows two parties to hold ongoing communications called a session across a network. - Not
Wireless Access Wireless access connecting end systems ( that are often mobile) into the network. Today there are two broad types of wireless internet access(1) wireless an
Why does collision happen in HUBS and repeaters?
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
This new model of Client/Server having of thin, portable, "universal" clients those talks to super fat servers. In the easiest form, a web server returns documents when clients ask
Overhead SONET overhead is not added as headers or trailers as we have seen in other protocols. Instead SONET insert overhead at a variety of location in middle of the f
It consists of the communication stacks, distributed directories, authentication services, network time, RPC, Queuing services along with the network OS extensions like the distrib
Which layers are network support layers? a. Physical Layer b. Data link Layer and c. Network Layers
how does PPTP express the data?
One of the most popular models for designing parallel algorithms is PRAM (Parallel Random Access Machine). A PRAM consists of unbounded number of processors interrelating with each
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