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SCS-C02 · Question #314

Compliance requirements state that all communications between company on-premises hosts and EC2 instances be encrypted in transit. Hosts use custom proprietary protocols for their communication, and…

The correct answer is B. Route all traffic through a TCP listener on a Classic Load Balancer, and terminate the TLS. If you use HTTPS or SSL for your front-end connections, you must deploy an X.509 certificate (SSL server certificate) on your load balancer. The load balancer decrypts requests from clients before sending them to the back-end instances (known as SSL termination). For more…

Submitted by ahmad_uae· Mar 6, 2026Infrastructure Security

Question

Compliance requirements state that all communications between company on-premises hosts and EC2 instances be encrypted in transit. Hosts use custom proprietary protocols for their communication, and EC2 instances need to be fronted by a load balancer for increased availability. Which of the following solutions will meet these requirements?

Options

  • AOffload SSL termination onto an SSL listener on a Classic Load Balancer, and use a TCP
  • BRoute all traffic through a TCP listener on a Classic Load Balancer, and terminate the TLS
  • CCreate an HTTPS listener using an Application Load Balancer, and route all of the communication
  • DOffload SSL termination onto an SSL listener using an Application Load Balancer, and re-spawn

How the community answered

(25 responses)
  • A
    4% (1)
  • B
    76% (19)
  • C
    4% (1)
  • D
    16% (4)

Explanation

If you use HTTPS or SSL for your front-end connections, you must deploy an X.509 certificate (SSL server certificate) on your load balancer. The load balancer decrypts requests from clients before sending them to the back-end instances (known as SSL termination). For more information, see SSL/TLS Certificates for Classic Load Balancers. If you don't want the load balancer to handle the SSL termination (known as SSL offloading), you can use TCP for both the front-end and back-end connections, and deploy certificates on the registered instances handling requests. https://docs.aws.amazon.com/elasticloadbalancing/latest/classic/elb-listener-config.html

Topics

#TLS in transit#Classic Load Balancer#TCP listener#custom protocol

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