Cryptographic hash function takes an arbitrary block of data and returns _________

A. Fixed size bit string

B. Variable size bit string
C. Both fixed size bit string and variable size bit string
D. Variable sized byte string

Explanation: Cryptographic hash functions are used in digital signatures and message authentication codes. The only issue with it is that it returns the same hash value every time for a message making it vulnerable to attackers to evaluate and break the cipher.

Occurrence: 0, System Administrator 2026