14. Encryption Key Exchange Quiz

Why is it important for the encryption key to be known only by the person encrypting and decrypting the data?

• To speed up the encryption process

• To prevent unauthorized access

• To reduce data redundancy

• To ensure data integrity

What is one method of out-of-band key exchange mentioned in the video?

• Posting on social media

• Using a public forum

• Sending an email

• Using a courier

Why is out-of-band key exchange not practical for internet communication?

• It is too complex

• It is not secure

• It is too expensive

• It is too slow

What type of encryption can be used to securely transfer symmetric keys over the network?

• Symmetric encryption

• Asymmetric encryption

• Hashing

• Steganography

What is a session key?

• A key used for a single session

• A key used for multiple sessions

• A key used for decrypting emails

• A key used for encrypting passwords

How does a client encrypt a session key for a server?

• Using the server's private key

• Using the client's public key

• Using the server's public key

• Using the client's private key

What happens to session keys after they are used?

• They are stored permanently

• They are encrypted again

• They are discarded

• They are shared with others

What is the advantage of using public key cryptography to create symmetric keys?

• It is faster

• It does not require sending the symmetric key across the network

• It is more secure

• It is easier to implement

What keys are combined to create the same symmetric key on both sides of the conversation?

• Bob's public key and Alice's private key

• Bob's private key and Alice's public key

• Bob's private key and Alice's private key

• Bob's public key and Alice's public key

What do we call the algorithms used to create symmetric keys without sending them across the network?

• Key exchange algorithms

• Hashing algorithms

• Decryption algorithms

• Encryption algorithms