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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 are instance variables? Instance variables are those which are explained at the class level. Instance variables require not be initialized before using them as they are au
FRAME FILTERING: The very important task a bridge operates is frame filtering. If both the destination and source are on the same segment, it does not repeat the frame to the
What are the benefits of using subneting?
Wireless Access Wireless access connecting end systems ( that are often mobile) into the network. Today there are two broad types of wireless internet access(1) wireless an
Security Security is the protection of hardware software and data from unauthorized access. Restricted physical access to computer password protection limiting user priv
Explain Asymmetric encryption
Describe how Link-State routing protocols work
Example Programmes for Parallel Systems Now we shall complete this with the examples on shared memory programming. Example 13: Adding elements of an array using two proce
Q. Why we use numbering frames? Why numbering frames? Stop--and-wait ARQ, 1. Numbering Frames prevents the retaining of duplicate frames.. 2. Numbered acknowled
Q. Show the Class A Addresses? Class A Addresses Numerically the lowest Use merely one byte to identify the class type and netid Three bytes are obtainable
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