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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.
Explain the term - global corporate-wide network It would be highly interesting to note that more than 70 per cent of all security related problems start from within the organi
Write the Generic Name of the OSI Layer a) The figures below illustrate, side by side, the OSI 7-layer reference model and the Internet protocol stack. Inside each box represen
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Which protocol comes under Hybrid dynamic type? Ans) EIGRP (ENHANCED INTERIOR GATEWAY ROUTING PROTOCOL) comes under hybrid dynamic.
Can you explain LAC and LNS?
How do we do encryption and authentication in L2TP?
Name the OSI layer which performs code conversion, code formatting and encryption Ans) Presentation layer performs code conversion, code formatting and encryption
WAN -Wide Area Network
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Quetion: A 22 nF capacitor is initially charged to 10V. It is then discharged by connecting a 100kW resistor across it. Approximately how long does it take for the voltage on t
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