FREE Certified Blockchain Professional (CBCP) Cryptography Questions and Answers

Question 1

Divide (HAPPY)26 from (SAD)26 to get the result. We determine the quotient. –

Accepted Answer

KD

Answer

MC

Answer

JC

Answer

LD

Question 2

The remaining is equal to (11001001) divided by (100111).

Accepted Answer

110

Answer

101

Answer

111

Answer

11

Question 3

Pi in base 26 is equal to

Accepted Answer

D.DRS

Answer

D.DSS

Answer

D.SQR

Answer

C.DRS

Question 4

The result of multiplying "YES" by "NO" in base 26 is –

Accepted Answer

MPJNS

Answer

THWAE

Answer

MPAHT

Answer

THWOE

Question 5

Divided by (lA2F) base 16, (131B6C3) yields -

Accepted Answer

9AD

Answer

BAD

Answer

DAD

Answer

1AD

Question 6

The estimated calculations needed to break a six-character password using the 26-letter alphabet are as follows:

Accepted Answer

308915776

Answer

8031810176

Answer

456976

Answer

11881376

Question 7

The IC of a symmetric cipher system is 0.041. What is the size of the letter "m"?

Accepted Answer

1

Answer

5

Answer

2

Answer

3

Question 8

The C =(p+3) mod 26 Caesar Cipher is used to encrypt. A case in point is the Caesar Cipher.

Accepted Answer

Mono-alphabetic Cipher

Answer

Bi-alphabetic Cipher

Answer

Multi-alphabetic Cipher

Answer

Poly-alphabetic Cipher

Question 9

A text string is used as a key by _____________ to perform a sequence of shifts on the plain-text.

Accepted Answer

Vigenere Cipher

Answer

Block Cipher

Answer

Playfair Cipher

Answer

Shift Cipher

Question 10

In the Playfair cipher, a key table is initially created. The plaintext is encrypted using a key table, which is a 5 by 5 grid of alphabets.

Accepted Answer

Playfair Cipher

Answer

Block Cipher

Answer

Shift Cipher

Answer

Rolling Cipher

Divide (HAPPY)26 from (SAD)26 to get the result.We determine the quotient. –

Divide (HAPPY)26 from (SAD)26 to get the result.
We determine the quotient. –