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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.
DEFINITION: Latency = Delay. Because a store and forward switch reads the entire frame before forwarding, a larger frame takes longer than a shorter frame.
State about data and data files - Information The third and major component of the system liable to be attacked is the data and data files used by the company. It is the most s
Name the categories of Multiplexing? There are three categories of multiplexing a. Frequency Division Multiplexing (FDM) b. Time Division Multiplexing (TDM) i. Sync
Q. Show the Importance of Security? The Internet presents enormous business opportunities. The Internet is open to public, vulnerable to various attacks. One of the major
What are the different kinds of firewall architectures?
Connection Establishment TCP transmits data in full duplex mode. When two TCP is two machines are connected they are able to send segments to each other simultaneously. This
Q1. What advantages do you see in having a layered concept of computer networks? Which layers or OSI structure deals with identification of a host? Explain the proces
How can you identify the IP class of a given IP address? By looking at the first octet of any given IP address, you can recognize whether it's Class A, B or C. If the first oct
Groupware addresses the management of semi-structured information like text, image, mail, bulletin boards and the flow of work. These Client/Server systems have people in direct co
Compare Error Detection and Error Correction: The correction of errors is more difficult than the detection. In error detection, checks only any error has happened. In error co
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