Cryptography & Network Security Objective Questions

Cryptography Multiple Choice Questions on “The Simplified Data Encryption Standard (SDES)”. 1. What is the size of the key in […]

Cryptography Test on “Pseudorandom Number Generators and Stream Ciphers”. 1. Which mode is less prone to decryption : PRNG using

Cryptography Multiple Choice Questions on “Hash Functions and Its Applications”. 1. When a hash function is used to provide message

Cryptography Multiple Choice Questions on “Public Keys and X.509 Certificates”. 1. Extensions were added in which version? a) 1 b)

Network Security Test on “Classless Addressing”. 1. Classless Addressing overcomes the problem of – a) address completion b) address depletion

Cryptography Multiple Choice Questions on “Number Theory”. 1. If a|b and b|c, then a|c. a) True b) False Answer: a

Cryptography Multiple Choice Questions on “Pseudorandom Number Generators and Stream Ciphers”. 1. Which mode is recommend for the NIST SP

Cryptography Multiple Choice Questions on “Hash Functions Based on Cipher Block Chaining”. 1. What is the effectiveness of an n-bit

Cryptography Problems on “Public Keys and X.509 Certificates”. 1. How many handshake rounds are required in the Public-Key Distribution Scenario?

Network Security Multiple Choice Questions on “Designing Subnets”. 1. N_sub = n + log_2(N/N_sub) is used to find the suffix

Cryptography Multiple Choice Questions on “Groups Rings and Fields”. 1. GCD(a,b) = GCD(b,a mod b) a) True b) False Answer:

Cryptography Multiple Choice Questions on “Blowfish Algorithm”. 1. What is the maximum size of the key in blowfish algorithm? a)

Cryptography Multiple Choice Questions on “Secure Hash Algorithms (SHA)”. 1. SHA-1 produces a hash value of a) 256 bits b)

Cryptography Multiple Choice Questions on “Overview”. 1. In the elliptic curve group defined by y2= x3- 17x + 16 over

Network Security Quiz on “Designing Subnets”. An ISP is granted a block of addresses starting with 190.100.0.0/16 (65,536 addresses). The