What type of encryption algorithm uses the same key to encrypt and decrypt data?

IT Questions BankCategory: CCNA SecurityWhat type of encryption algorithm uses the same key to encrypt and decrypt data?

What type of encryption algorithm uses the same key to encrypt and decrypt data?

  • Diffie-Hellman
  • Shared-secret
  • Public-key
  • Asymmetric

Explanation: Symmetric encryption algorithms use the same key (also called shared secret) to encrypt and decrypt the data. In contrast, asymmetric encryption algorithms (also called public-key) use a pair of keys, one for encryption and another for decryption.

Exam with this question: CCNA Security Chapter 7 Exam Answers

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