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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.
Gateway A device linked to multiple physical TCP/IP networks capable of routing or delivering IP packets among them. Router It's a layer 3 device that connects 2 diss
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Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4
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