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What is Redundancy?
The method of including extra information in the transmission solely for the purpose of comparison.
This technique is known as redundancy.
Q. How can data to be exchanged between Networks? Internetwork Links in an internetwork
Packet loss and retransmission in TCP TCP gets reliability by retransmission. An acknowledgement is used to check that data has arrived successfully. If acknowledgement does no
Question 1 Explain FDM and TDM with example Question 2 Define B-ISDN and explain its services Question 3 What is symmetric key cryptography? Describe one symmetric
Name the factors that affect the performance of the network? a. Number of Users b. Type of transmission medium c. Hardware d. Software
There are basically two functions for creating routing tables, which are as given: Manual entry Software Further there are two types for computing routing table inf
State about data and data files - Information The third and major component of the system liable to be attacked is the data and data files used by the company. It is the most s
Perfect Shuffle Permutation This was advised by Harold Stone (1971). Consider N objects each characterized by n bit number say X n-1, X n-2, X 0 (N is chosen such that N
What is basic purpose of Routers
Initialization Imagine that all routers in our sample internetwork comes up at the same time. Each router sends a greeting packet to its neighbours to find out the sta
Unguided Media: Wireless - A Wireless communication transporting electromagnetic waves without a physical conductor Wireless Propagation Methods - Ground - radio
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