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Q. Explain about Error Detection?
Data can be corrupted during transmission because of accidents, Storms, sudden increase in electricity and voltage / decrease in signal power over distance
For reliable communication errors should be detected and corrected
Q. What is Authentication ? - Verification of sender's identity. - Accomplished through a digital signature, which is based on public key encryption/decryption. - Uses re
What is backbone network? A backbone network is a centralized infrastructure that is intended to distribute dissimilar routes and data to various networks. It also handles mana
Q. How to connect Remote LANs? - Remote bridges acting as connecting devices to connect LANs and point-to-point networks such as leased telephone lines or ADSL lines
Solve the following CPM/PERT Network Analysis problem: Given the following network and activity time estimates, determine earliest and latest activity times, slack, the expecte
Q. Subnet layer of the TCP-IP model? These two layers of the OSI correspond straight to the subnet layer of the TCP/IP model. Majority of the time the lower layers under the
IGRP is a distance vector routing protocol designed by Cisco. The maximum hop count is 255, and it uses a combination of variables to verify a composite metric. IGRP has an adminis
differntiate between error control and flow control in data link layer
When a P is returned when a Trace is run, it means the Protocol is unreachable.
Security Security is the protection of hardware software and data from unauthorized access. Restricted physical access to computer password protection limiting user priv
User Datagram Protocol - UDP is a connectionless oriented transport protocol for use when the upper layers give error-recovery and reliability. UDP does not sequence data or re-ass
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