Exam ANS-C00 topic 1 question 367 discussion

Exam question from Amazon's ANS-C00

Question #: 367
Topic #: 1

A company's website is hosted on an Amazon EC2 instance. The website delivers dynamic content through Amazon CloudFront to users. After instance maintenance, users receive HTTP 502 (Bad Gateway) errors while attempting to access the website.
What is the MOST likely cause of this issue?

A. The security group configuration on the origin is blocking traffic from CloudFront.
B. The origin does not support the ciphers or protocols in the SSL/TLS exchange with CloudFront.
C. There are resource constraints, and CloudFront cannot route requests to an available edge location.
D. The origin does not have enough capacity to support the request rate.

Show Suggested Answer

Suggested Answer: B 🗳️
Reference:
https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/http-502-bad-gateway.html

by walkwolf3 at Sept. 1, 2021, 11:52 p.m.

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walkwolf3

Highly Voted 3 years, 8 months ago

B An HTTP 502 status code (Bad Gateway) indicates that CloudFront wasn't able to serve the requested object because it couldn't connect to the origin server. SSL/TLS Negotiation Failure Between CloudFront and a Custom Origin Server Origin Is Not Responding with Supported Ciphers/Protocols https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/http-502-bad-gateway.html

upvoted 7 times

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hecong

Most Recent 2 years, 11 months ago

ANSWER：B A:　504 https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/http-504-gateway-timeout.html C: 503 https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/http-503-service-unavailable.html D: 503 https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/http-503-service-unavailable.html

upvoted 4 times

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Alberto_M_M

3 years, 7 months ago

My answer is B too.

upvoted 1 times

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