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Exam AWS Certified Machine Learning - Specialty topic 1 question 180 discussion

Exam question from Amazon's AWS Certified Machine Learning - Specialty
Question #: 180
Topic #: 1
[All AWS Certified Machine Learning - Specialty Questions]

A company has an ecommerce website with a product recommendation engine built in TensorFlow. The recommendation engine endpoint is hosted by Amazon
SageMaker. Three compute-optimized instances support the expected peak load of the website.
Response times on the product recommendation page are increasing at the beginning of each month. Some users are encountering errors. The website receives the majority of its traffic between 8 AM and 6 PM on weekdays in a single time zone.
Which of the following options are the MOST effective in solving the issue while keeping costs to a minimum? (Choose two.)

  • A. Configure the endpoint to use Amazon Elastic Inference (EI) accelerators.
  • B. Create a new endpoint configuration with two production variants.
  • C. Configure the endpoint to automatically scale with the InvocationsPerInstance metric.
  • D. Deploy a second instance pool to support a blue/green deployment of models.
  • E. Reconfigure the endpoint to use burstable instances.
Show Suggested Answer Hide Answer
Suggested Answer: AC 🗳️
by bluer1 at May 1, 2022, 8:08 p.m.
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Sivadharan
Highly Voted 2 years, 11 months ago
Selected Answer: AC
AC - for me https://aws.amazon.com/machine-learning/elastic-inference/ https://aws.amazon.com/blogs/machine-learning/configuring-autoscaling-inference-endpoints-in-amazon-sagemaker/
upvoted 16 times
Jerry84
2 years, 2 months ago
Agree. The problem with E is that it mentioned "majority of its traffic between 8 AM and 6 PM on weekdays", therefore it is not cost effective during period from 6PM to 8AM weekdays and weekends. Whereas the auto-scaling(C) could save money during all the time.
upvoted 1 times
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rohit07cf
Highly Voted 2 years, 12 months ago
AC looks correct
upvoted 9 times
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sheetalconect
Most Recent 10 months, 3 weeks ago
Selected Answer: CE
traffic between 8 AM and 6 PM on weekdays in a single time zone .--- Reconfigure the endpoint to use burstable instances. Configure the endpoint to automatically scale with the InvocationsPerInstance metric.
upvoted 2 times
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loict
1 year, 7 months ago
Selected Answer: AC
A. YES - EI provides GPU access (Sept 2023: now deprecated) B. NO - not best practice to scale (altough it might help ?) C. YES - you want to scale with traffic D. NO - not best practice to scale (altough it might help ?) E. NO - burstable instances is for inpredictable traffic, bursting for long period of time is not cost effective
upvoted 2 times
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Mickey321
1 year, 8 months ago
Selected Answer: CE
Either AC or CE very confusing but C is confirmed and will go with E
upvoted 2 times
Mickey321
1 year, 8 months ago
Or since the question is really old so maybe AC is what needs the answer to be
upvoted 1 times
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Mickey321
1 year, 8 months ago
Selected Answer: AC
A C for me
upvoted 1 times
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kaike_reis
1 year, 8 months ago
Selected Answer: AC
A - C for me E is costy
upvoted 1 times
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ZSun
1 year, 12 months ago
E is not correct. A C E are both effective method to optimize inference, but A is used for GPU, and E is used for CPU. since this question is about Tensorflow, it should be A and E is not effective.
upvoted 1 times
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blanco750
2 years, 1 month ago
Selected Answer: AC
A and C are the right answers
upvoted 3 times
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luckybme
2 years, 2 months ago
Interesting if option A will be relevant anymore, as AWS is discontinuing Elastic Inference starting Apr 15. https://docs.aws.amazon.com/sagemaker/latest/dg/ei.html. Wonder if they change the option to include Inf instane type
upvoted 3 times
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wjohnny
2 years, 4 months ago
Selected Answer: CE
Why elastic inference given that GPU is not necessary? I guess C and E (IMO)
upvoted 2 times
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Ob1KN0B
2 years, 8 months ago
Selected Answer: AE
A - This is using Tensorflow which means Elastic inference can be used to save costs for GPU, thereby reducing the compute time. E - Since the load is not uniform, it will help to use burstable instances to operate above the threshold when the situation demands. C is not at all cost effective.
upvoted 3 times
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matteocal
2 years, 9 months ago
Selected Answer: AC
AC is the most correct
upvoted 8 times
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KlaudYu
2 years, 10 months ago
Selected Answer: AE
I'd go AE if it requests for cost minimum
upvoted 2 times
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tgaos
2 years, 11 months ago
AC is correct
upvoted 4 times
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bluer1
2 years, 12 months ago
AC - for me
upvoted 6 times
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