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Question:
(a) Distinguish between Steganograhy and Cryptography.
(b) "Playfair cipher is more secure than Monoalphabetic cipher." Justify this statement.
(c) Various applications compress data before sending it across a network. If compression and encryption are both to be applied to a document before it is transmitted, does it matter which is done first? Why?
(d) A compressed data file has many of the attributes of an encrypted data file. In what way are they similar? Is compression a form of encryption, or could it be used as such? Why, or why not?
(e) Describe Triple DES. Is it secure? Why is it not the standard replacement for DES?
(f) Give two examples of passive attacks.
Question: (a) Your office administrator is being trained to take server backups. Which authorization model could be ideal for this situation: MAC, DAC or RBAC? Justify your a
Question: (a) Which of the following is not a goal of security: i) detection ii) prevention iii) recovery iv) prosecution (b) You are an honest student. One day you
#questioAn elliptic curve y^2=x^3+ax+b(mod29) includes points P=(7, 15) and Q=(16, 13) a)Determine the equation of the crve b) Determine all values of x for which there is no point
B a s i c functions of e-mail system are given as follows: C o mp o sition refers to the procedure of creating messages and the answers. Though any text editor can be
What is the use of it
Risk Determination For purpose of relative risk assessment, risk equals probability of vulnerability occurrence TIMES value MINUS percentage risk already controlled PLUS an elem
TRAP AND TRACE SYSTEMS Trap and Trace Systems use techniques to detect an intrusion and trace it back to its source. Trap comprises of honey pot or padded cell and alarm. The dr
Question: a) What do you meant by Privacy? b) Name the four privacy violations. c) Often, aggregate information and anonymized information can be combined to identif
Address resolution algorithms may be grouped into three basic types: Table lookup Closed-form computation Message Exchange 1. TABLE LOOKUP: In Table Loo
code and logic
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