Cryptography and Network Security

Cryptography and Network Security Quiz

Test your knowledge in the fascinating world of cryptography and network security! This quiz is designed for enthusiasts who want to evaluate their skills and understanding of essential concepts.

In just 10 questions, you will encounter topics such as:

Brute force attacks
Encryption schemes
Base conversions
Mathematical operations in cryptographic contexts

10 Questions2 MinutesCreated by SolvingCipher324

In brute force attack, on average half of all possible keys must be tried to achieve success.

A) True

B) False

If the sender and receiver use different keys, the system is referred to as conventional cipher system.

A) True

B) False

Divide (HAPPY)26 by (SAD)26. We get quotient –

A) KD

B) LD

C) JC

D) MC

Dividing (11001001) by (100111) gives remainder –

A) 11

B) 111

C) 101

D) 110

pi in terms of base 26 is

A) C.DRS

B) D.SQR

C) D.DRS

D) D.DSS

The time required to convert a k-bit integer to its representation in the base 10 in terms of big-O notation is

A) O(log2 n)

B) O(log n)

C) O(log2 2n)

D) O(2log n)

In base 26, multiplication of YES by NO gives –

A) THWOE

B) MPAHT

C) MPJNS

D) THWAE

Division of (131B6C3) base 16 by (lA2F) base 16 yeilds –

A) 1AD

B) DAD

C) BAD

D) 9AD

An encryption scheme is unconditionally secure if the ciphertext generated does not contain enough information to determine uniquely the corresponding plaintext, no matter how much cipher text is available.

A) True

B) False

The estimated computations required to crack a password of 6 characters from the 26 letter alphabet is-

A) 308915776

B) 11881376

C) 456976

D) 8031810176

Cryptography and Network Security

Cryptography and Network Security Quiz

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