IPsec SAs can be applied as a security mechanism for which three options?
Question
IPsec SAs can be applied as a security mechanism for which three options? (Choose three.)
Answers
Explanations
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A. B. C. D. E. F.BCD.
IPsec (Internet Protocol Security) is a widely used security protocol for securing communication over the Internet. It provides confidentiality, integrity, and authentication of data in transit. IPsec uses Security Associations (SAs) to establish and manage secure communication between two endpoints. These SAs can be applied as a security mechanism for several options, including:
A. Send: IPsec SAs can be used to secure communication between two hosts that are sending data to each other. This can be achieved using either transport mode or tunnel mode. In transport mode, only the payload of the IP packet is encrypted, while in tunnel mode, the entire IP packet is encrypted and encapsulated in a new IP packet.
C. Site-to-site virtual interfaces: IPsec SAs can be used to secure communication between two sites in a virtual private network ( VPN). In this scenario, IPsec is used to encrypt and authenticate traffic between two VPN gateways. This is typically achieved using tunnel mode.
B. Mobile IPv6: IPsec SAs can be used to secure Mobile IPv6 traffic. Mobile IPv6 is a protocol that allows a mobile device to maintain its IP address while moving between networks. IPsec is used to secure the communication between the mobile device and its home agent.
Therefore, the correct options are A, B, and C.
D. OSPFv3: OSPFv3 (Open Shortest Path First version 3) is a routing protocol used in IPv6 networks. While IPsec can be used to secure OSPFv3 traffic, it is not typically used for this purpose. Instead, OSPFv3 can be secured using other mechanisms such as authentication.
E. CAPWAP and F. LWAPP: CAPWAP (Control and Provisioning of Wireless Access Points) and LWAPP (Lightweight Access Point Protocol) are both protocols used in wireless networks to control and manage access points. While IPsec can be used to secure communication between wireless access points and a controller, it is not typically used for this purpose. Instead, these protocols use other mechanisms such as Transport Layer Security (TLS) for encryption and authentication.
