Question 4: How does an external router need to be configured to support an IPsec VPN policy-based tunnel to an NSX gateway? Choice: (choose correct answer): () IKE and IPsec settings compatible with the other end of the tunnel () Must use AES 128 for IKE tunnel () Must use AES 256 for IPsec tunnel () Must use a lifetime for the IPsec tunnel that is less than 30 minutes Answer: IKE and IPsec settings compatible with the other end of the tunnel