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Q. Show the Character-level Encryption?
- Substitutional
- Monoalphabetic - simplest form; also called Caesar cipher
- Every character is replaced with another character in the set
- Ke and Kd are the similar and define the added or subtracted value
- Can be broken easily; does not hide repetition
- Polyalphabetic - each occurrence can have a different substitute (ex. Vigenere)
- Based also on position of character in the text
- Frequencies are not preserved; more difficult to break than monoalphabetic
When programming a server or a client, we have to deal with port numbers and IP addresses, but we usually do this through an abstraction called a socket. Sockets are the standard A
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Explain what is digital certificate?
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IGRP is a distance vector routing protocol designed by Cisco. The maximum hop count is 255, and it uses a combination of variables to verify a composite metric. IGRP has an adminis
a transperent switch is inserted between two local area networks ABC and XYZ.network ABC has workstation 1,2,and 3 and Network XYZ has workstation 4,5, and 6. show the contents of
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