Alice and Bob use a pre-shared key to exchange a confidential message. If Bob wants to send a confidential message to Carol, what key should he use?
- the same pre-shared key he used with Alice
- the private key of Carol
- a new pre-shared key
- the public key of Bob
Explanation: Encryption is an important technology used to protect confidentiality. It is important to understand the characteristics of the various encryption methodologies.
More Questions: Cybersecurity Essentials FINAL Quiz Answers Full