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Exam AWS Certified Solutions Architect - Professional topic 1 question 809 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Professional
Question #: 809
Topic #: 1
[All AWS Certified Solutions Architect - Professional Questions]

A company has a new application that needs to run on five Amazon EC2 instances in a single AWS Region. The application requires high-throughput, low-latency network connections between all of the EC2 instances where the application will run. There is no requirement for the application to be fault tolerant.
Which solution will meet these requirements?

  • A. Launch five new EC2 instances into a cluster placement group. Ensure that the EC2 instance type supports enhanced networking.
  • B. Launch five new EC2 instances into an Auto Scaling group in the same Availability Zone. Attach an extra elastic network interface to each EC2 instance.
  • C. Launch five new EC2 instances into a partition placement group. Ensure that the EC2 instance type supports enhanced networking.
  • D. Launch five new EC2 instances into a spread placement group. Attach an extra elastic network interface to each EC2 instance.
Show Suggested Answer Hide Answer
Suggested Answer: D 🗳️
by Smartphone at Jan. 2, 2022, 3:50 p.m.
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asfsdfsdf
2 years, 4 months ago
Selected Answer: A
A for sure
upvoted 1 times
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TechX
2 years, 5 months ago
Selected Answer: A
100% A
upvoted 1 times
TechX
2 years, 5 months ago
Explanation: https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/placement-groups.html#placement- groups-cluster
upvoted 1 times
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Bigbearcn
2 years, 10 months ago
It looks like a SAA level question.
upvoted 3 times
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Punitsolanki
2 years, 10 months ago
Answer is A as Cluster placement will give good performance and there is no requirement for FT, spread placement group will not give performance at it is a use case for FT.
upvoted 2 times
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Ni_yot
2 years, 10 months ago
A indeed is correct.When you launch EC2 instances in a cluster they benefit from performance and low latency. No redundancy though as per the question https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/placement-groups.html.
upvoted 2 times
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Smartphone
2 years, 11 months ago
Answer is A. This question has two parts : in the first it talks about "needs high-speed, low-latency network connections between all of the Amazon EC2 instances" and in the second part it talks about "not required to be fault tolerant". Hence, the option A is best suited on this scenario.
upvoted 4 times
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