6. Network Management and Security

Cryptography — Quiz

Test your understanding of cryptography with 5 practice questions.

Practice Questions

Question 1

Which cryptographic algorithm is commonly used for key exchange over an insecure channel, relying on the difficulty of the discrete logarithm problem?

Question 2

In the context of digital signatures, what is the purpose of hashing the message before encryption with the sender's private key?

Question 3

What is the primary role of a 'nonce' in cryptographic protocols?

Question 4

Which property of a cryptographic hash function ensures that it is computationally infeasible to find two different inputs that produce the same hash output?

Question 5

In a Public Key Infrastructure (PKI), what is the main function of a Certificate Authority (CA)?