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ESP (Encapsulating Security Protocol) is defined in which of the following standards?
  • a)
    IPsec
  • b)
    PPTP
  • c)
    PPP
  • d)
    L2TP
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
ESP (Encapsulating Security Protocol) is defined in which of the follo...
Answer: a
Explanation: It is the security type of the IPsec.
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ESP (Encapsulating Security Protocol) is defined in which of the follo...
ESP (Encapsulating Security Protocol) in IPsec


  • ESP (Encapsulating Security Protocol) is defined in the IPsec (Internet Protocol Security) standard.

  • IPsec is a protocol suite used to secure Internet Protocol (IP) communications by encrypting and authenticating each IP packet of a communication session.

  • ESP is one of the two protocols used in IPsec, the other being AH (Authentication Header).

  • ESP provides confidentiality, integrity, and authentication for IP packets and is used to encrypt the payload (data) of an IP packet.

  • ESP supports various encryption algorithms such as DES, 3DES, AES, and Blowfish.

  • ESP also supports authentication algorithms such as HMAC-SHA1 and HMAC-MD5.

  • ESP can be used in transport mode or tunnel mode.

  • In transport mode, only the payload (data) of an IP packet is encrypted, while in tunnel mode, the entire IP packet (including the headers) is encrypted and a new IP header is added.

  • ESP is widely used in VPN (Virtual Private Network) applications to provide secure communication over the Internet.

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ESP (Encapsulating Security Protocol) is defined in which of the following standards?a)IPsecb)PPTPc)PPPd)L2TPCorrect answer is option 'A'. Can you explain this answer?
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