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Exam AWS-SysOps topic 1 question 757 discussion

Exam question from Amazon's AWS-SysOps
Question #: 757
Topic #: 1
[All AWS-SysOps Questions]

A SysOps Administrator is maintaining a web application using an Amazon CloudFront web distribution, an Application Load Balancer (ALB), Amazon RDS, and
Amazon EC2 in a VPC. All services have logging enabled. The Administrator needs to investigate HTTP Layer 7 status codes from the web application.
Which log sources contain the status codes? (Choose two.)

  • A. VPC Flow Logs
  • B. AWS CloudTrail logs
  • C. ALB access logs
  • D. CloudFront access logs
  • E. RDS logs
Show Suggested Answer Hide Answer
Suggested Answer: BD 🗳️
Reference:
https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/AccessLogs.html
by nicat at May 8, 2020, 2:55 a.m.
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nicat
Highly Voted 2 years, 7 months ago
C. ALB access logs D. CloudFront access logs
upvoted 22 times
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MrKhan
Highly Voted 2 years, 7 months ago
C, D are the correct answers.
upvoted 10 times
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albert_kuo
Most Recent 9 months, 3 weeks ago
Selected Answer: CD
ALB access logs and CloudFront access logs both capture information about incoming requests to the web application, including the HTTP Layer 7 status codes.
upvoted 1 times
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gulu73
1 year, 2 months ago
Selected Answer: CD
C and D
upvoted 1 times
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RicardoD
2 years, 6 months ago
C | D are the answers Application layer means HTTP(S), hence ALB and Cloudfront
upvoted 2 times
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vzisiadis
2 years, 6 months ago
VPC flow logs work on Layer 4 CloudTrail logs user/iam role activity on the AWS account so it's irrelevant RDS logs are irrelevant Thus, ALB and CloudFront logs seem to be the correct ones
upvoted 3 times
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abhishek_m_86
2 years, 6 months ago
C. ALB access logs D. CloudFront access logs
upvoted 4 times
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jackdryan
2 years, 6 months ago
I'll go with C,D
upvoted 2 times
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MFDOOM
2 years, 6 months ago
Application Layer = Layer 7 = HTTP /HTTPS C. ALB access logs D. CloudFront access logs
upvoted 1 times
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waterzhong
2 years, 7 months ago
CloudFront Access Log follow W3C format. It must have Status Code & HTTP Layer 7 information. So, C&D are correcty.
upvoted 2 times
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Chubb
2 years, 7 months ago
A is layer 3 logs
upvoted 2 times
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khan11
2 years, 7 months ago
A and C....There is nothing as CF Access logs...
upvoted 3 times
teosinh
2 years, 7 months ago
CloudFront Access Log follow W3C format. It must have Status Code & HTTP Layer 7 information. So, C&D are correcty.
upvoted 1 times
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AWS_Noob
2 years, 7 months ago
A - because you want to see the traffic in the vpc to the Web Server C - Because the ALB works at layer 7 I'm unsure about option A but it seems more right then querying a Cloudfront Access log
upvoted 1 times
AWS_Noob
2 years, 7 months ago
Did some research Correct answer would be C & D Access log data for cloudfront does have a status code column https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/AccessLogs.html#LogFileFormat
upvoted 10 times
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Community vote distribution
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C (25%)
B (20%)
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