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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 602 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Associate SAA-C03
Question #: 602
Topic #: 1
[All AWS Certified Solutions Architect - Associate SAA-C03 Questions]

A company's infrastructure consists of hundreds of Amazon EC2 instances that use Amazon Elastic Block Store (Amazon EBS) storage. A solutions architect must ensure that every EC2 instance can be recovered after a disaster.

What should the solutions architect do to meet this requirement with the LEAST amount of effort?

  • A. Take a snapshot of the EBS storage that is attached to each EC2 instance. Create an AWS CloudFormation template to launch new EC2 instances from the EBS storage.
  • B. Take a snapshot of the EBS storage that is attached to each EC2 instance. Use AWS Elastic Beanstalk to set the environment based on the EC2 template and attach the EBS storage.
  • C. Use AWS Backup to set up a backup plan for the entire group of EC2 instances. Use the AWS Backup API or the AWS CLI to speed up the restore process for multiple EC2 instances.
  • D. Create an AWS Lambda function to take a snapshot of the EBS storage that is attached to each EC2 instance and copy the Amazon Machine Images (AMIs). Create another Lambda function to perform the restores with the copied AMIs and attach the EBS storage.
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Suggested Answer: C 🗳️
by taustin2 at Sept. 22, 2023, 10:44 p.m.
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Guru4Cloud
Highly Voted 7 months ago
Selected Answer: C
The key reasons are: AWS Backup automates backup of resources like EBS volumes. It allows defining backup policies for groups of resources. This removes the need to manually create backups for each resource. The AWS Backup API and CLI allow programmatic control of backup plans and restores. This enables restoring hundreds of EC2 instances programmatically after a disaster instead of manually. AWS Backup handles cleanup of old backups based on policies to minimize storage costs.
upvoted 13 times
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LeonSauveterre
Most Recent 4 months, 2 weeks ago
Selected Answer: C
A - Manually managing templates for hundreds of EC2 instances is TOO MUCH WORK. B - Beanstalk is designed for managing application environments, not backups. C - AWS Backup API or CLI simplifies bulk restore operations. YES. D - Never create a lambda function when there's already to tool to do that and you need minimal effort. This is true for almost all the questions in this list.
upvoted 1 times
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TariqKipkemei
4 months, 4 weeks ago
Selected Answer: C
LEAST amount of effort = AWS Backup
upvoted 3 times
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Chiquitabandita
5 months ago
for the question, I would choose C as well, AWS Backup of the EC2, but design, why would anything of importance be on the Ec2 that would need to be restored? Shouldn't any critical or important data be on the EBS volumes in this example or similar location?
upvoted 2 times
LeonSauveterre
4 months, 2 weeks ago
There are actually scenarios where an EC2 instance itself might still need restoration, even when EBS is being used for storage. 1. Some workloads may have specific configurations or dependencies baked into the EC2 instance itself, like custom softwares and OS-level configs. 2. Some applications may be running on EC2 relies on temporary but critical data stored on the instance's root volume. 3. Some stateful applications might store temporary state information locally on the EC2 instance. If this state isn’t externalized (like DynamoDB, Redis, or EFS), then recovery is needed.
upvoted 1 times
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taustin2
7 months ago
Selected Answer: C
Going with Backup. Can restore programmatically using Backup API.
upvoted 3 times
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