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What is required for a certificate-based VPN tunnel between two gateways with separate management systems?
Correct Answer: A
Explanation A certificate-based VPN tunnel between two gateways with separate management systems requires mutually trusted certificate authorities. This means that each gateway must have a certificate issued by a certificate authority (CA) that the other gateway trusts. The CA can be either an internal CA or an external CA. The CA issues certificates that contain the public key and identity information of the gateway. The gateway uses its private key to sign and encrypt the VPN traffic. The other gateway can verify the signature and decrypt the traffic using the public key in the certificate. This ensures the authenticity, integrity, and confidentiality of the VPN tunnel. References: Remote Access VPN R81.10 Administration Guide, page 12 DeepDive Webinar - R81.20 Seamless VPN Connection to Public Cloud, slide 9