A Solutions Architect plans to migrate NAT instances to NAT gateway. The Architect has NAT instances with scripts to manage high availability.What is the MOST efficient method to achieve similar high availability with NAT gateway?

Question

Accepted Answer

Launch a NAT gateway in each Availability Zone.

Answer

Remove source/destination check on NAT instances.

Answer

Use a mix of NAT instances and NAT gateway.

Answer

Add an ELB Application Load Balancer in front of NAT gateway.

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Question 46

A Solutions Architect plans to migrate NAT instances to NAT gateway. The Architect has NAT instances with scripts to manage high availability.What is the MOST efficient method to achieve similar high availability with NAT gateway?

Answers

A. Remove source/destination check on NAT instances.

B. Launch a NAT gateway in each Availability Zone.

C. Use a mix of NAT instances and NAT gateway.

D. Add an ELB Application Load Balancer in front of NAT gateway.

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