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Information and Network Security MCQs | Page - 1

Dear candidates you will find MCQ questions of Information and Network Security here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.

Q. 1) An algorithm in encryption is called _____________.

(A) Algorithm
(B) Procedure
(C) Cipher
(D) Module
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Q. 2) The information that gets transformed in encryption is ____________.

(A) Plain text
(B) Parallel text
(C) Encrypted text
(D) Decrypted text
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Q. 3) In brute force attack, on average half of all possible keys must be tried to achieve success.

(A) True
(B) False
(C) none
(D) all
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Q. 4) A (n) ______ algorithm transforms ciphertext to plaintext.

(A) Encryption
(B) Decryption
(C) Either (a) or (b)
(D) Neither (a) nor (b)
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Q. 5) The ________ is the message after transformation.

(A) Ciphertext
(B) Plaintext
(C) Secret-text
(D) None of the above
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Q. 6) Which of the following is not a type of virus?

(A) Boot sector
(B) Polymorphi
(C) C Multipartite
(D) Troj
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Q. 7) A computer ________ is a malicious code which self-replicates by copying itself to other programs.

(A) Program
(B) Virus
(C) Application
(D) Worm
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Q. 8) _______________ infects the master boot record and it is challenging and a complex task to remove this virus.

(A) Boot Sector Virus
(B) Polymorphi
(C) C Multipartite
(D) Troj
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Q. 9) ______________ infects the executable as well as the boot sectors.

(A) Non-resident virus
(B) Boot Sector Virus
(C) Polymorphic Virus
(D) Multipartite Virus
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Q. 10) Trojan creators do not look for _______________.

(A) Deleting Data
(B) Protecting Data
(C) Modifying Data
(D) Copying Data
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