Exam AWS Certified Solutions Architect - Associate SAA-C03 All Questions

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Exam AWS Certified Solutions Architect - Associate SAA-C03 topic 1 question 757 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Associate SAA-C03

Question #: 757
Topic #: 1

[All AWS Certified Solutions Architect - Associate SAA-C03 Questions]

A company is running a legacy system on an Amazon EC2 instance. The application code cannot be modified, and the system cannot run on more than one instance. A solutions architect must design a resilient solution that can improve the recovery time for the system.

What should the solutions architect recommend to meet these requirements?

A. Enable termination protection for the EC2 instance.
B. Configure the EC2 instance for Multi-AZ deployment.
C. Create an Amazon CloudWatch alarm to recover the EC2 instance in case of failure.
D. Launch the EC2 instance with two Amazon Elastic Block Store (Amazon EBS) volumes that use RAID configurations for storage redundancy.

Show Suggested Answer

Suggested Answer: C 🗳️

by Andy_09 at Feb. 6, 2024, 6:21 p.m.

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Highly Voted 1 year, 2 months ago

Selected Answer: C

A. Enable termination protection for the EC2 instance. No. Termination protection is about avoid accidentally delete the instance B. Configure the EC2 instance for Multi-AZ deployment. No. Question says "cannot run on more than one instance" C. Create an Amazon CloudWatch alarm to recover the EC2 instance in case of failure. Yes. CloudWatch can be used to recover the instance: https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/UsingAlarmActions.html#AddingRecoverActions D. Launch the EC2 instance with two Amazon Elastic Block Store (Amazon EBS) volumes that use RAID configurations for storage redundancy. No. Raid could be helpful to increase resilience, but does not help with "improve the recovery time"

upvoted 17 times

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Andy_09

Highly Voted 1 year, 4 months ago

Option C

upvoted 8 times

Typewriter101

1 year, 4 months ago

i think D is the answer. Cause the question asks for a resilient solution and EBS with RAID config can balance between the performance and redundancy. EBS can also help with faster launch.

upvoted 2 times

MatAlves

9 months, 1 week ago

But how does that "improve the recovery time for the system"?

upvoted 2 times

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_mavik_

1 year, 4 months ago

Your solution can't resolve the problem

upvoted 3 times

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buzzinmumbai

Most Recent 1 year, 2 months ago

Option should be B .They are not asking about storage anywhere. In muti-AZ you application runs on the primary and the secondary is kept in sync.

upvoted 1 times

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mohammadthainat

1 year, 2 months ago

Selected Answer: C

Question about """improve the recovery time for the system""" RAID improves data resilience, but won't recover the instance if the system itself fails. it's 100% C

upvoted 5 times

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dkw2342

1 year, 3 months ago

Pretty sure option D is NOT correct. > RAID 5 and RAID 6 are not recommended for Amazon EBS (...). > RAID 1 is also not recommended for use with Amazon EBS. https://docs.aws.amazon.com/ebs/latest/userguide/raid-config.html#raid-config-options

upvoted 3 times

Awsbeginner87

1 year, 2 months ago

So what is the answer?

upvoted 2 times

Salilgen

5 months, 3 weeks ago

IMO answer is B. You could set Max desired capacity to 1 in autoscaling group then you always have one instance running

upvoted 1 times

Salilgen

5 months, 3 weeks ago

Sorry. Answer is C. In multi-AZ deployment you must have at least one instance per AZ

upvoted 1 times

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sandordini

1 year, 2 months ago

C: You can create an Amazon CloudWatch alarm that monitors an Amazon EC2 instance and automatically recovers the instance if it becomes impaired due to an underlying hardware failure or a problem that requires AWS involvement to repair. Terminated instances cannot be recovered. A recovered instance is identical to the original instance, including the instance ID, private IP addresses, Elastic IP addresses, and all instance metadata.

upvoted 3 times

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haci

1 year, 3 months ago

For those who choose C, the question asks that "must design a resilient solution".. C may improve recovery time but it has nothing to do with resiliency.

upvoted 1 times