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?

IT Questions BankCategory: Cybersecurity EssentialsAlice 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?

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.

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