Amazon Exam BDS-C00 Topic 9 Question 99 Discussion

Actual exam question for Amazon's BDS-C00 exam

Question #: 99
Topic #: 9

You have a load balancer configured for VPC, and all backend Amazon EC2 instances are in service. However, your web browser times out when connecting to the load balancer's DNS name. Which options are probable causes of this behavior?

AThe load balancer was not configured to use a public subnet with an Internet gateway configured

BThe Amazon EC2 instances do not have a dynamically allocated private IP address

CThe security groups or network ACLs are not properly configured for web traffic

DThe load balancer is not configured in a private subnet with a NAT instance

EThe VPC does not have a VGW configured

Show Suggested Answer

Suggested Answer: B

by Nickole at Aug 02, 2024, 08:09 PM

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Fanny

6 days ago

Option C seems the most likely culprit here. The security groups or network ACLs are probably not allowing web traffic to reach the backend instances.

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Nancey

17 days ago

I think option A could also be a probable cause. If the load balancer is not configured to use a public subnet with an Internet gateway, it may not be accessible from the web browser.

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Maurine

23 days ago

I agree with Marvel. Option C makes sense because if the security groups or network ACLs are not set up correctly, it could block web traffic.

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Marvel

24 days ago

I think the probable cause could be option C, security groups or network ACLs not properly configured.

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