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The science and art of manipulating messages in order to create them secure is known as cryptography.....
Two types are:-
Symmetric key cryptography and Asymmetric key cryptography
1) symmetric key cryptography similar key is used for encryption and decryption eg :DES IDEA AES
2) Asymmetric key: public key is used for both encryption and decryption eg: RSA Difere Hellman
What is the difference between a JDK and a JVM? JDK is Java Development Kit which is for development purpose and it contains execution environment also. But JVM is purely a
How does the cut-through switching technique work? Ans) Cut-Through switching copies only the destination address which is the first 6 bytes after the =frame preamble into its b
As• New Content (Week 5) o System Integration Implementation Plan ? Develop a detailed implementation plan that captures the following (address 4 of these): ? Testing activitie
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
5 IGRP supports a feature that permits traffic to be distributed among up to 6 (4 default) paths to give greater allover throughput and reliability. What is this called? Ans) An
Explain Presentation layer in OSI model
Computer Networks 1. Write about different network structures in use. 2. Explain the architecture and usage of ISDN. 3. Describe the concept of framing in Data Link Layer
Ans) the two commands are:- show ver show flash
Q. Explain the Communication Channel Threats? Secrecy Threat - Secrecy is the avoidance of unauthorized information disclosure - Privacy is the guard of individua
What are the disadvantages of Star Topology? The disadvantages are considered as follows: a. Needs more cable than most topologies. b. Moderately complex to install.
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