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Home Forums AWS AWS Certified Advanced Networking – Specialty Bug in question – answer marked wrong

  • Bug in question – answer marked wrong

  • oren

    Member
    September 30, 2020 at 1:23 pm

    I took the test and it marked me wrong for a question.

    In the question: ”A company has recently adopted a hybrid cloud architecture to extend the capabilities of its legacy applications. The on-premises data center is connected to the company’s Amazon VPC via an AWS Direct Connect connection. The Network Administrator has been tasked to ensure that all communications between the new Amazon EC2 instances of its VPC and the company’s on-premises application servers be encrypted in transit. The new instances must also use a load balancer to improve the scalability and availability of the architecture. The legacy on-premises servers only use custom proprietary protocols for secure communication.

    Which of the following must the Administrator do to fulfill the above requirements?”

    I selected the answer ”Launch a new Classic Load Balancer (CLB) with a TCP listener. Route all of the traffic through the CLB and terminate the TCP connection on the Amazon EC2 instances.”

    The system marked it wrong and highlighted my answer in ”red”, while highlighting the answer ”Launch a Classic Load Balancer (CLB) and set up an SSL listener to offload the SSL termination. Use a TCP connection between the Amazon EC2 instances and the CLB.” in green.

    But at the bottom, in the explanation – the explanation says the opposite:

    ”Hence, the correct answer is: Launch a new Classic Load Balancer (CLB) with a TCP listener. Route all of the traffic through the CLB and terminate the TCP connection on the Amazon EC2 instances”

    and

    ”The option that says: Launch a Classic Load Balancer (CLB) and set up an SSL listener to offload the SSL termination. Use a TCP connection between the Amazon EC2 instances and the CLB is incorrect because if you offloaded the connection in the SSL listener of the CLB then the SSL termination is on the load balancer, not on the underlying EC2 instances. You have to configure a TCP listener on port 443 in the CLB that passes TCP packets as-is to port 443 on the backend EC2 instances.

  • Jon-Bonso

    Administrator
    September 30, 2020 at 4:49 pm

    Thanks Oren for bringing this up to our attention. We have just updated the answer key to rectify this issue.

    Let us know if you need further assistance. The Tutorials Dojo team is dedicated to help you pass your AWS exam on your first try!

    Regards,

    Jon Bonso @ Tutorials Dojo

  • oren

    Member
    September 30, 2020 at 7:58 pm

    My pleasure. Thanks!

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