nerdexam
Amazon

ANS-C01 · Question #61

A company deploys a new web application on Amazon EC2 instances. The application runs in private subnets in three Availability Zones behind an Application Load Balancer (ALB). Security auditors…

The correct answer is C. Modify the ALB target group configuration by enabling the stickiness attribute. Use an application-. https://docs.aws.amazon.com/vpc/latest/userguide/nat-gateway-troubleshooting.html#nat- gateway-troubleshooting-timeout

Submitted by lucia.co· Mar 6, 2026Manage Network Operations

Question

A company deploys a new web application on Amazon EC2 instances. The application runs in private subnets in three Availability Zones behind an Application Load Balancer (ALB). Security auditors require encryption of all connections. The company uses Amazon Route 53 for DNS and uses AWS Certificate Manager (ACM) to automate SSL/TLS certificate provisioning. SSL/TLS connections are terminated on the ALB. The company tests the application with a single EC2 instance and does not observe any problems. However, after production deployment, users report that they can log in but that they cannot use the application. Every new web request restarts the login process. What should a network engineer do to resolve this issue?

Options

  • AModify the ALB listener configuration. Edit the rule that forwards traffic to the target group.
  • BReplace the ALB with a Network Load Balancer. Create a TLS listener. Create a new target group
  • CModify the ALB target group configuration by enabling the stickiness attribute. Use an application-
  • DRemove the ALB. Create an Amazon Route 53 rule with a failover routing policy for the

How the community answered

(59 responses)
  • A
    20% (12)
  • B
    12% (7)
  • C
    63% (37)
  • D
    5% (3)

Explanation

https://docs.aws.amazon.com/vpc/latest/userguide/nat-gateway-troubleshooting.html#nat- gateway-troubleshooting-timeout

Topics

#ALB session stickiness#ALB target group#Web application troubleshooting

Community Discussion

No community discussion yet for this question.

Full ANS-C01 Practice