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.

Which of the below properties are correct?Consider the following Logarithmic Properties –i) y = x(log_x(y))ii) log_x(1) = 1iii) log_x(x) = 0iv) log_x(yz) = log_x(y) + log_x(z)v) log_x(yr) – r x log_x(y)

A. 1st 2nd and 4th
B. 2nd 3rd and 5th
C. 2nd 4th and 5th
D. 1st 4th and 5thView Answer
Answer» E.
2.

What is the period of 9 (mod 19)

A. 12
B. 10
C. 11
D. 9
Answer» E.
3.

What is the period of 17 (mod 19)

A. 5
B. 7
C. 9
D. 11
Answer» D. 11
4.

What is the period of 11 (mod 19)

A. 2
B. 3
C. 4
D. 5
Answer» C. 4
5.

ᶲ(19)=

A. 14
B. 13
C. 18
D. 17
Answer» D. 17
6.

What is the period of 7m mod 19?

A. 2
B. 3
C. 4
D. 5
Answer» C. 4
7.

7(3+j) mod 19 =

A. 7j mod 19
B. 1 mod 19
C. 73 + 7j mod 19
D. All of the mentioned are true
Answer» B. 1 mod 19
8.

ᶲ(21)=a) 10b) 12c) 8d) 14 5.73 mod 19 =

A. 10b) 12c) 8d) 14 5.73 mod 19 =a) 18
B. 12c) 8d) 14 5.73 mod 19 =a) 18b) 1
C. 8d) 14 5.73 mod 19 =a) 18b) 1c) 14
D. 14 5.73 mod 19 =a) 18b) 1c) 14d) 12View Answer
Answer» C. 8d) 14 5.73 mod 19 =a) 18b) 1c) 14
9.

ᶲ(35)=

A. 24
B. 25
C. 22
D. 18
Answer» B. 25
10.

ᶲ(37)=

A. 24
B. 22
C. 13
D. 36
Answer» E.
11.

WHAT_IS_THE_PERIOD_OF_11_(MOD_19)?$

A. 2
B. 3
C. 4
D. 5
Answer» C. 4
12.

What is the period of 9 (mod 19)$

A. 12
B. 10
C. 11
D. 9
Answer» E.
13.

What_is_the_period_of_17_(mod_19)$

A. 5
B. 7
C. 9
D. 11
Answer» D. 11
14.

How many primitive roots does Z<19> have?

A. 5
B. 8
C. 7
D. 6
Answer» E.
15.

What is the period of 7m mod 19?

A. 2
B. 3
C. 4
D. 5
Answer» C. 4
16.

7(3+j) mod 19 =

A. 7<sup>j</sup> mod 19
B. 1 mod 19
C. 7<sup>3</sup> + 7<sup>j</sup> mod 19
D. All of the mentioned are true
Answer» B. 1 mod 19
17.

73 mod 19 =

A. 18
B. 1
C. 14
D. 12
Answer» C. 14
18.

·∂≤(37)=$

A. 24
B. 22
C. 13
D. 36
Answer» E.
19.

gcd( 18,300) =

A. 4
B. 12
C. 8
D. 6
Answer» E.