Which statement accurately describes a characteristic of IPsec?

Last Updated on April 30, 2021 by Admin

Which statement accurately describes a characteristic of IPsec?

  • IPsec works at the application layer and protects all application data.
  • IPsec works at the transport layer and protects data at the network layer.
  • IPsec is a framework of open standards that relies on existing algorithms.
  • IPsec is a framework of proprietary standards that depend on Cisco specific algorithms.
  • IPsec is a framework of standards developed by Cisco that relies on OSI algorithms.
    Answers Explanation & Hints:

    IPsec can secure a path between two network devices. IPsec can provide the following security functions:
    Confidentiality – IPsec ensures confidentiality by using encryption.
    Integrity – IPsec ensures that data arrives unchanged at the destination using a hash algorithm, such as MD5 or SHA.
    Authentication – IPsec uses Internet Key Exchange (IKE) to authenticate users and devices that can carry out communication independently. IKE uses several types of authentication, including username and password, one-time password, biometrics, pre-shared keys (PSKs), and digital certificates.
    Secure key exchange – IPsec uses the Diffie-Hellman (DH) algorithm to provide a public key exchange method for two peers to establish a shared secret key.

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