Operating system mcqs security cryptography
Click on any option to know the CORRECT ANSWERS
What is cipher-block chaining?
Data is logically 'ANDed' with previous block
Data is logically 'ORed' with previous block
Data is logically 'XORed' with previous block
None of the mentioned
What is the preferred way of encryption?
pre shared secret key
using key distribution center (KDC)
Question 2 Explanation:
Pre Shared key can be compromised and either party can be suspected. Likewise KDC or symmetric key can have breach which are undesirable. Public and private key encryption is a known industry standard.
What is not an encryption standard?
SHA-1 produces ..... bit of hash.
Which of the following is not a stream cipher?
There are 5 questions to complete.