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Define Character Stuffing?
In byte stuffing (or character stuffing), a particular byte is added to the data section of the frame when there is a character with the same pattern as the flag. The data section is stuffed with an extra byte. This byte is usually known as the escape character (ESC), which has a predefined bit pattern. Whenever the receiver encounters the ESC character, it deletes it from the data section and treats the next character as data, not a delimiting flag.
A modified NRZ code known as enhanced-NRZ (E-NRZ) operates on 7-bit words; inverting bits 2,3,6 and 7; and adding one parity bit to each word. The parity bit is chosen to make the
Can you describe transport and tunnel mode in detail with datagram packets?
Explain how does IGRP work?
What are different ways of securing a computer network? There are lots of ways to do this. Install reliable and updated anti-virus program on all computers. Make sure firewalls
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Questions: 1. A 5V Zener diode has a maximum power dissipation of 2W. What is the maximum current that can be safely passed through the device? 2. List three properties of a
Security risks present on the networks Lots of risks are present everywhere on Internet as well as on Intranet, if it is not known what is being done. Every day a number of
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