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CISSP · Question #375

Additional padding may be added to toe Encapsulating Security Protocol (ESP) b trailer to provide which of the following?

The correct answer is B. Partial traffic flow confidentiality. ESP can provide partial traffic flow confidentiality by padding the payload to hide the actual length of the data. Padding can also be used to align the payload with the encryption algorithm's block size. Padding is not used for access control, protection against replay attack, o

Submitted by lars.no· Mar 5, 2026Communication and Network Security

Question

Additional padding may be added to toe Encapsulating Security Protocol (ESP) b trailer to provide which of the following?

Options

  • AAccess control
  • BPartial traffic flow confidentiality
  • CProtection against replay attack
  • DData origin authentication

How the community answered

(14 responses)
  • B
    86% (12)
  • C
    7% (1)
  • D
    7% (1)

Explanation

ESP can provide partial traffic flow confidentiality by padding the payload to hide the actual length of the data. Padding can also be used to align the payload with the encryption algorithm's block size. Padding is not used for access control, protection against replay attack, or data origin

Topics

#IPsec ESP#Traffic flow confidentiality#Padding#Network protocols

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