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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.
What is the difference between a hub and a switch? A hub acts as a multiport repeater. Though, as more and more devices connect to it, it would not be able to efficiently manag
A method used to standardize and categorize fault-tolerant disk systems. RAID levels give lot of mixes of performance, reliability, and cost. Some servers give three of the RAID le
Q. Calculate Utilization percentage of the link? - System: Stop and wait ARQ - Bandwidth: 1Mbps - Round trip for one bit: 20ms - Frame length: 1000 bits Utilizatio
What is Bookmark A list of pages a user likes to frequently visit. Netscape® Navigator and Explorer® have a "bookmark" menu item which allows users to add favourite sites vi
Q. Explain File Transfer Protocol? - File Transfer Protocol (FTP) is a TCP/IP client-server application for copying files from one host to another -- Establishes two connect
Directly linked network have the lowest administrative distance of 0. They are considered the most reliable.
Wireless Phone Company (WLPC) is a provider of wireless phone service in the US with 100,000 customers serving mostly small markets. WLPC has just purchased additional airwaves in
What is the Catalogue Intranet Intranets of this type are often more accurately described as Extranets. They are designed to give access to a large catalogue of information,
QUESTION a) How is an Intranet different from an Internet? b) State the main differences between a router and a switch c) Explain the function of a modem d) Calculate
Q. Explain about Traditional Modems? - Subsequent to modulation by the modem an analog signal reaches the telephone company switching station where it sampled and digitized to
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