What kind of encryption is used for securing emails in transit?

What kind of encryption is used for securing emails in transit?

  1. a) Symmetric Encryption
  2. b) Asymmetric Encryption
  3. c) TLS (Transport Layer Security)
  4. d) Hashing

From the BB Assistant Director (ICT) February 2025 – Written (DU) exam, question 21 of 55.

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