Explore topic-wise MCQs in Cryptography and Network Security.

This section includes 19 Mcqs, each offering curated multiple-choice questions to sharpen your Cryptography and Network Security knowledge and support exam preparation. Choose a topic below to get started.

1.

ᶲ(440)=

A. 200
B. 180
C. 160
D. 220
Answer» D. 220
2.

Find a number ‘a’ between 0 and 9 such that ‘a’ is congruent to 7^1000 mod 10.

A. 2
B. 1
C. 3
D. 4
Answer» C. 3
3.

ᶲ(27)=

A. 6
B. 12
C. 26
D. 18
Answer» E.
4.

ᶲ(41)=

A. 40
B. 20
C. 18
D. 22
Answer» B. 20
5.

What is the Discrete logarithm to the base 2 (mod 19) for a =7?

A. 3
B. 4
C. 6
D. 9
Answer» D. 9
6.

Find a number ‘a’ between 0 and 72 with ‘a’ congruent to 9794 mod 73.

A. 53
B. 29
C. 12
D. 37
Answer» D. 37
7.

Find a number x between 0 and 28 with x85 congruent to 6 mod 35.

A. 6
B. 32
C. 8
D. 28
Answer» B. 32
8.

3201 mod 11 =

A. 3
B. 5
C. 6
D. 10
Answer» B. 5
9.

¬¨‚ÀË‚ÄÖ√†√Á‚ÄÖ√¢¬ß(41)=?$#

A. 40
B. 20
C. 18
D. 22
Answer» B. 20
10.

Find a number ‘a’ between 0 and 9 such that ‘a’ is congruent to 7^1000 mod 10.$#

A. 2
B. 1
C. 3
D. 4
Answer» C. 3
11.

GCD(n,n+1) = 1 always.

A. True
B. False
Answer» B. False
12.

·∂≤(440)=$

A. 200
B. 180
C. 160
D. 220
Answer» D. 220
13.

Find a number ‘a’ between 0 and 72 with ‘a’ congruent to 9794 mod 73.$

A. 53
B. 29
C. 12
D. 37
Answer» D. 37
14.

Find a number x between 0 and 28 with x85 congruent to 6 mod 35.

A. 6
B. 32
C. 8
D. 28
Answer» B. 32
15.

What is the Discrete logarithm to the base 15 (mod 19) for a =9?

A. 3
B. 7
C. 12
D. 4
Answer» E.
16.

What is the Discrete logarithm to the base 13 (mod 19) for a =13?

A. 14
B. 1
C. 8
D. 17
Answer» C. 8
17.

Find a number x between 0 and 28 with x^85 congruent to 6 mod 29.

A. 22
B. 12
C. 6
D. 18
Answer» D. 18
18.

3201 mod 11 =

A. 3
B. 5
C. 6
D. 10
Answer» B. 5
19.

What is the Discrete logarithm to the base 10 (mod 19) for a =7?

A. 12
B. 14
C. 8
D. 11
Answer» B. 14