Câu 30: AWS Certified Advanced Networking - Specialty ANS-C01(New)

A company is hosting an application on Amazon EC2 instances behind a Network Load Balancer (NLB). A solutions architect added EC2 instances in a second Availability Zone to improve the availability of the application. The solutions architect added the instances to the NLB target group. The company's operations team notices that traffic is being routed only to the instances in the first Availability Zone. What is the MOST operationally efficient solution to resolve this issue?

1. A. Enable the new Availability Zone on the NLB — đáp án hiện tại
2. B. Create a new NLB for the instances in the second Availability Zone
3. C. Enable proxy protocol on the NLB
4. D. Create a new target group with the instances in both Availability Zones