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Q. What do you mean by Substitutional Ciphers?
Substitutional Ciphers
Monoalphabetic Substitution
Polyalphabetic Substitution
- Transpositional - characters retain their plaintext form but change their positions to create ciphertext.
- Text is organized into a two-dimensional table and columns are interchanged according to a key.
- Character frequencies are still preserved, however.
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details of delta routing??
explain shortest path routing in detail
Definition of CSMA/CD CSMA/CD (Carrier Sense Multiple Access with Collision Detection) is used to minimize collisions, coordinate traffic and maximize number of frames deliver
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