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What is CRC and Checksum
CRC (Cyclic redudancy check)
CRC, is the most powerful of the redundancy checking methods, is based on binary division.
Checksum
Checksum is used by the higher layer protocols (TCP/IP) for error detection
You should develop a system consisting of an application acting as a broker and several agents that need to communicate between them. The agents can only communicate in pairs (i.e.
Switch Generally called as two layer switch . it performs on physical and data link layers. It is a bridge it has many ports that allow better performance. Since
What is the concept of successor in EIGRP?
Point out the drawbacks of Token Ring. Few of the drawbacks of Token Ring are: a. Token Ring is very costly. All topology components cost much more than other more popular s
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
Q. Show the Importance of Security? The Internet presents enormous business opportunities. The Internet is open to public, vulnerable to various attacks. One of the major
What is the use of a default gateway? Default gateways give means for the local networks to connect to the external network. The default gateway for connecting to the external
In this part we shall give a short description of the routines in the PVM 3 user library. Each PVM program should include the PVM header file "pvm3.h" (in a C program) or "fpvm3.h"
File servers are useful for sharing files through a network. With a file server, the client passes requests for file records over network to file server
Control Frame: set_successor Station X wants to leave Successor S Predecessor P X sends set_successor frame to P With S as data field P changes its
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