200-301 Cisco Certified Network Associate (CCNA)

When a site-to-site VPN is used, which protocol is responsible for the transport of user data?

  • A. IPsec
  • B. IKEv1
  • C. MD5
  • D. IKEv2
Answer: Option A.
Explanation: 

Section: Security Fundamentals
A site-to-site VPN allows offices in multiple fixed locations to establish secure connections with each other over a public network such as the Internet. A site-to-site VPN means that two sites create a VPN tunnel by encrypting and sending data between two devices. One set of rules for creating a site-to-site VPN is defined by IPsec.

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