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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.
PPTP use for encryption and authentication
PVM (Parallel Virtual Machine) is a portable message-passing programming system, designed to link divide heterogeneous host machines to form a "virtual machine" which is a one, man
A UDP header does not have Sequence number and Acknowledgement number fields. Is it an advantage or a disadvantage? Explain your answer in detail. User Datagram Protocol Th
What is Feasibility condition (FC)?
FDDI Media FDDI signifies a 100 Mbps token-passing dual-ring LAN that uses a fiber-optic transmission medium. Even though it operates at faster speeds FDDI is similar to Tok
What is the difference between a straight-through and crossover cable? A straight-through cable is used to connect computers to a hub, switch, or router. A crossover cable is u
Explain twisted pair cable. A pair of wires twisted with each other is CALLED as twisted pair cable. A set of four pairs of twisted wires are bundled to form cable. These are
Synchronization Multiple processors need synchronization with each other while implementing a parallel algorithm. That is, the task running on processor X might have to wait fo
TCP Segment Structure Figure shows the format of the TCP segment. The header consists of a 20 bytes fixed part plus a variable size options fields. The description o
Define Encoder? A device or program that uses predefined algorithms to encode, or compress audio or video data for storage or transmission use. A circuit that is used to change
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