nerdexam
AmazonAmazon

ANS-C01 · Question #289

ANS-C01 Question #289: Real Exam Question with Answer & Explanation

Sign in or unlock ANS-C01 to reveal the answer and full explanation for question #289. The question stem and answer options stay visible for context.

Submitted by carlos_mx· Mar 6, 2026VPC Connectivity

Question

A company has multiple VPCs with subnets that use IPv4. Traffic from the VPCs to the internet uses a NAT gateway. The company wants to transition to IPv6. A network engineer creates multiple IPv6-only subnets in an existing testing VPC. The network engineer deploys a new Amazon EC2 instance that has an IPv6 address into one of the subnets. During testing, the network engineer discovers that the new EC2 instance is not able to communicate with an IPv4-only service through the internet. The network engineer needs to enable the IPv6 EC2 instance to communicate with the IPv4-only service. Which solution will meet this requirement?

Options

  • AEnable DNS64 for the IPv6-only subnets. Update the route tables for the IPv6-only subnets to
  • BEnable NAT64 for the testing VPC. Reconfigure the existing NAT gateway to support IPv6.
  • CEnable DNS64 for the new EC2 instance. Create a new egress-only internet gateway that
  • DEnable NAT64 for each route table. Create a new NAT gateway that supports both IPv4 and IPv6.

Unlock ANS-C01 to see the answer

You've previewed enough free ANS-C01 questions. Unlock ANS-C01 for full answers, explanations, the timed quiz mode, progress tracking, and the master PDF. Question stem and options stay visible so you can still see what's on the exam.

Full ANS-C01 PracticeBrowse All ANS-C01 Questions