In substitution, a character in the plaintext is always changed to the same character in the ciphertext, regardless of its position in the text. (A) polyalphabetic (B) monoalphabetic (C) transpositional (D) multialphabetic

In substitution, a character in the plaintext is always changed to the same character in the ciphertext, regardless of its position in the text. (A) polyalphabetic (B) monoalphabetic (C) transpositional (D) multialphabetic
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Answer :

(B) monoalphabetic
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Using p=3, q=13, d=7 and e=3 in the RSA algorithm, what is the value of ciphertext for a plain text 5? (A) 13 (B) 21 (C) 26 (D) 33

Description : Using p=3, q=13, d=7 and e=3 in the RSA algorithm, what is the value of ciphertext for a plain text 5? (A) 13 (B) 21 (C) 26 (D) 33

Last Answer : Answer: Marks to all Explanation: p=3, q=13, d=7, e=3, M=5, C=? C = Me mod n n = p*q  = 3*13 = 39 C = 53 mod 39 = 8 Answer is 8.

In RSA algorithm,if p=5,q=7,e=7and message=3. What will be the value of ciphertext ?

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Last Answer : 17

Which of the following keys is used to replace a single character with new text? A. S B. s C. r D. C E. None of the above

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Encrypt the plain text Message “EXTRANET” using Transposition cipher technique with the following key: Image Using ‘Z’ as bogus character. (A) TAXERTZENZ (B) EXTRANETZZ (C) EZXZTRZANZET (D) EXTZRANZETZ

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Assume that we need to download text documents at the rate of 100 pages per minute. A page is an average of 24 lines with 80 characters in each line and each character requires 8 bits. Then the required bit rate of the channel is ................ (A) 1.636 Kbps (B) 1.636 Mbps (C) 2.272 Mbps (D) 3.272 Kbps

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Last Answer : Answer: Marks given to all

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What is the purpose of Ctrl + I shortcut key in MS - Word: a) It converts selected text into the next larger size of the same font. b) It applies the Italic formatting to the selected text. c) It makes the selected text bold d) It adds a line break to the document. e) None of The Above

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Which of the following will undergo substitution in the ortho and para positions rather than in the meta position? (a) Nitrobenzene (b) Benzoic acid (c) Acetanilide (d) Benzaldehyde

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Last Answer : (B) 335 K

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Last Answer : d. Aircraft B, if A is to the left of him

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