2V0-41.24 Question 190
Select 4An organization is configuring an IPsec VPN between two NSX-T Data Center environments to securely connect their data centers. The administrator needs to ensure that the VPN tunnel provides confidentiality, integrity, and authentication for data in transit. Which of the following mechanisms are used in IPsec to achieve these requirements?
- A
Encapsulation Security Payload (ESP)
- B
Authentication Header (AH)
- C
Diffie-Hellman key exchange
- D
Transport Layer Security (TLS)
- E
Secure Sockets Layer (SSL)
- F
Internet Key Exchange (IKE)
Show answer and explanation
Correct answers: A, B, C, F
Explanation
IPsec VPNs use a combination of protocols and mechanisms to ensure secure communication. ESP is used for encryption and optional authentication, while AH ensures data integrity and authentication. Diffie-Hellman is crucial for secure key exchange, and IKE manages the setup and negotiation of IPsec policies. TLS and SSL are unrelated to IPsec and are used for different purposes.
- A. Correct.
Encapsulation Security Payload (ESP) is a key component of IPsec that provides confidentiality through encryption, as well as optional authentication and integrity protection.
- B. Correct.
Authentication Header (AH) is another key component of IPsec that ensures data integrity and authentication but does not provide encryption.
- C. Correct.
Diffie-Hellman key exchange is used during the IPsec VPN setup to securely exchange cryptographic keys, which are essential for establishing a secure connection.
- D. Incorrect.
Transport Layer Security (TLS) is not a part of IPsec. It is a separate protocol suite used primarily for securing web traffic.
- E. Incorrect.
Secure Sockets Layer (SSL) is an outdated protocol and is not used in IPsec. It has been replaced by TLS in most applications.
- F. Correct.
Internet Key Exchange (IKE) is a protocol used to establish, negotiate, and manage IPsec VPN connections, including key exchange and security policy agreements.