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Q. What is Authentication ?
- Verification of sender's identity.
- Accomplished through a digital signature, which is based on public key encryption/decryption.
- Uses reciprocity of RSA, however secret key is kept by the sender to -sign? the transmission.
You require connecting two computers for file sharing. Is it possible to do this without using a hub or router? Yes, you can connect two computers together using only one cable
What is CRC The CRC is computed while transmission and appended to output stream as soon as last bit goes out onto wire. If the CRC were in header, it will be necessary to make
Briefly write functionalities of different OSI layers? The OSI Reference Model includes seven layers. Basic functionality of each of them is as follows: 1. Physical Layer:
using binary adition, what is the result of 1010 + 10? Using binary addition, how would you repeatedly increment a number by 2?
ROLE OF DESIGN IN ACHIEVING RELIABILITY One of the most important methods for achieving high reliability is through design. Use reliability cannot be higher than the design re
State the congestion avoidance process Notifies the source that congestion avoidance process should be initiated where applicable for traffic in the opposite direction of the r
While calculating shortest path, first we assume graph presentation of network at every node then we use Djikstra's algorithm to calculate shortest path from every node to other on
The marketing term 'ISDN modem' was formed to help sell the ISDN idea to America. There is no such thing as an analog modulator demodulator for digital ISDN. The Terminal Adapter (
Communication, Resource sharing and Media (When many host share their resources with every other OR when many devices connect with each other for resource sharing )
Name the two commands that save the running-config to a TFTP server Ans) Two commands are:- a) copy running tftp b) write network
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