Explore topic-wise MCQs in Cryptography and Network Security.

This section includes 10 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.

“In ECC, the inverse of point P =(x1, y1) is Q = (-x1, y1). “

A. True
B. False
Answer» C.
Discussion
2.

“Elliptic curve cryptography follows the associative property.”

A. True
B. False
Answer» B. False
Discussion
3.

How many real and imaginary roots does the equation y2=x3-4x have

A. 2 real, 1 imaginary
B. all real
C. all imaginary
D. 2 imaginary, 1 real
Answer» C. all imaginary
Discussion
4.

‚Äö√Ñ√∂‚àö√ë‚àö‚à´In ECC, the inverse of point P =(x1, y1) is Q = (-x1, y1). ‚Äö√Ñ√∂‚àö√ë‚àö‚à?#

A. True
B. False
Answer» C.
Discussion
5.

“Elliptic curve cryptography follows the associative property.”$

A. True
B. False
Answer» B. False
Discussion
6.

In the elliptic curve group defined by y2= x3- 17x + 16 over real numbers, what is 2P if P = (4, 3.464)?

A. (12.022, -39.362)
B. (32.022, 42.249)
C. (11.694, -43.723)
D. (43.022, 39.362)
Answer» B. (32.022, 42.249)
Discussion
7.

In the elliptic curve group defined by y2= x3- 17x + 16 over real numbers, what is P + Q if P = (0,-4) and Q = (1, 0)?

A. (15, -56)
B. (-23, -43)
C. (69, 26)
D. (12, -86)
Answer» B. (-23, -43)
Discussion
8.

How many real and imaginary roots does the equation y2=x3-1 have

A. 2 real, 1 imaginary
B. all real
C. all imaginary
D. 2 imaginary, 1 real
Answer» E.
Discussion
9.

In Singular elliptic curve, the equation x^3+ax+b=0 does ____ roots.

A. does not have three distinct
B. has three distinct
C. has three unique
D. has three distinct unique
Answer» B. has three distinct
Discussion
10.

What is the general equation for elliptic curve systems?

A. y<sup>3</sup>+b_1 xy+b_2 y=x<sup>3</sup>3+a_1 x<sup>2</sup>+a_2 x+a_3
B. y<sup>3</sup>+b_1 x+b_2 y=x<sup>2</sup>+a_1 x<sup>2</sup>+a_2 x+a_3
C. y<sup>2</sup>+b_1 xy+b_2 y=x<sup>3</sup>+a_1 x<sup>2</sup>+a_2
D. y<sup>2</sup>+b_1 xy+b_2 y=x<sup>3</sup>+a_1 x<sup>2</sup>+a_2 x+a_3
Answer» E.
Discussion