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Exam AWS Certified Developer Associate topic 1 question 67 discussion

Exam question from Amazon's AWS Certified Developer Associate
Question #: 67
Topic #: 1
[All AWS Certified Developer Associate Questions]

An AWS Lambda function accesses two Amazon DynamoDB tables. A developer wants to improve the performance of the Lambda function by identifying bottlenecks in the function.
How can the developer inspect the timing of the DynamoDB API calls?

  • A. Add DynamoDB as an event source to the Lambda function. View the performance with Amazon CloudWatch metrics
  • B. Place an Application Load Balancer (ALB) in front of the two DynamoDB tables. Inspect the ALB logs
  • C. Limit Lambda to no more than five concurrent invocations. Monitor from the Lambda console.
  • D. Enable AWS X-Ray tracing for the function. View the traces from the X-Ray service.
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Suggested Answer: D 🗳️

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waqas1992
Highly Voted 3 years, 3 months ago
D - Enable X-ray for Serverless application to view the map and find the traces for each segments
upvoted 11 times
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sumanshu
Most Recent 4 months, 1 week ago
Selected Answer: D
D) Correct - AWS X-Ray is a service that helps developers analyze and debug distributed applications
upvoted 1 times
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Lucas_Luke
1 year, 6 months ago
Selected Answer: D
D is right
upvoted 1 times
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rcaliandro
1 year, 10 months ago
Selected Answer: D
D is the only option for monitor apps and how functions interact with tables
upvoted 1 times
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smiles88
2 years ago
D is right
upvoted 1 times
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sichilam
2 years, 3 months ago
D it is
upvoted 1 times
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dark_cherrymon
2 years, 5 months ago
Selected Answer: D
D easy
upvoted 1 times
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trungducng2910
2 years, 7 months ago
Selected Answer: D
D is correct
upvoted 1 times
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SpeedRunner
3 years ago
"You can use AWS X-Ray to visualize the components of your application, identify performance bottlenecks, and troubleshoot requests that resulted in an error."
upvoted 3 times
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josh119891
3 years, 3 months ago
inside the function + bottle neck = X-RAY
upvoted 4 times
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denccc
3 years, 3 months ago
It's d
upvoted 3 times
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ADI2608
3 years, 3 months ago
Inside the function means X-Ray.
upvoted 4 times
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Community vote distribution
A (35%)
C (25%)
B (20%)
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