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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
Electronic Mail One of the most popular internet services is electronic mail ( e mail). At the beginning of the internet era teh message sent by electronic mail were sh
CSMA/CD - A Simple Definition A network station wishing to broadcast will first check the cable plant to make sure that no other station is currently transmit
What is NIC and WAN? NIC is short for Network Interface Card. This is a peripheral card that is joined to a PC in order to connect to a network. Each NIC has its own MAC addres
By utilizing measurements of the so-called pseudo range between an object and each of several earth orbiting GPS satellites, the object can be very accurately located in space. A g
What is the different type of networking / internetworking devices? 1. Repeater: Also known as a regenerator, it is an electronic device that operates only at physical layer.
Difference between synchronous tdm and statistical tdm
Error Detecting Code - Parity bit: The general idea for achieving error detection and correction is to add some redundancy (i.e., some extra data) to a message, which receiver
short note on redhat updation details? why redhat is popular?
Q. What is Retransmission timer? Retransmission timer if an ACK is received previous to the timer goes off - destroy the timer if the timer goes off before ACK a
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 (
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