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Exam AWS Certified Solutions Architect - Associate SAA-C03 topic 1 question 456 discussion

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

Question #: 456
Topic #: 1

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

A company runs applications on Amazon EC2 instances in one AWS Region. The company wants to back up the EC2 instances to a second Region. The company also wants to provision EC2 resources in the second Region and manage the EC2 instances centrally from one AWS account.

Which solution will meet these requirements MOST cost-effectively?

A. Create a disaster recovery (DR) plan that has a similar number of EC2 instances in the second Region. Configure data replication.
B. Create point-in-time Amazon Elastic Block Store (Amazon EBS) snapshots of the EC2 instances. Copy the snapshots to the second Region periodically.
C. Create a backup plan by using AWS Backup. Configure cross-Region backup to the second Region for the EC2 instances.
D. Deploy a similar number of EC2 instances in the second Region. Use AWS DataSync to transfer the data from the source Region to the second Region.

Show Suggested Answer

Suggested Answer: C 🗳️

by Efren at May 17, 2023, 1:24 p.m.

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Comments

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cloudenthusiast

Highly Voted 2 years, 3 months ago

Selected Answer: C

Using AWS Backup, you can create backup plans that automate the backup process for your EC2 instances. By configuring cross-Region backup, you can ensure that backups are replicated to the second Region, providing a disaster recovery capability. This solution is cost-effective as it leverages AWS Backup's built-in features and eliminates the need for manual snapshot management or deploying and managing additional EC2 instances in the second Region.

upvoted 8 times

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Guru4Cloud

Highly Voted 1 year, 12 months ago

Selected Answer: C

C is the most cost-effective solution that meets all the requirements. AWS Backup provides automated backups across Regions for EC2 instances. This handles the backup requirement. AWS Backup is more cost-effective for cross-Region EC2 backups than using EBS snapshots manually or DataSync.

upvoted 5 times

wizcloudifa

1 year, 4 months ago

Well Datasync is to transfer data from on-prem to AWS rather than AWS R1 to R2, and it is use for a one-time migration rather than repetitive data migration activities like backups hence its out(on so many levels)

upvoted 2 times

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elmyth

Most Recent 9 months, 2 weeks ago

Selected Answer: B

We have implemented solution similar to B, it's really small and simple script, so we don't have much manual work here, and it's really the most cost-effective.

upvoted 3 times

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Certibanksman

11 months, 3 weeks ago

Selected Answer: B

Option B (EBS snapshots with cross-Region copy) is the most cost-effective solution for backing up EC2 instances to a second Region while allowing for centralized management and easy recovery when needed.

upvoted 3 times

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Daminaij

1 year ago

The answer is c

upvoted 1 times

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bogobob

1 year, 9 months ago

Selected Answer: D

How does AWS Backup address that "The company also wants to provision EC2 resources in the second Region"?

upvoted 3 times

NSA_Poker

1 year, 2 months ago

With AWS Backup you can 'back up the EC2 instances to a second Region' by implementing cross-Region backup & 'provision EC2 resources in the second Region' by restoring the backup using the AWS Backup console. https://docs.aws.amazon.com/aws-backup/latest/devguide/restore-resource.html

upvoted 1 times

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pentium75

1 year, 7 months ago

How do A, B or D address that? They want to "provision EC2 resources", nobody says that this should be copies of the existing servers. And if it should be copies of the existing servers, wouldn't we need the same (not "a similar") number of servers? We have no idea how many applications on how many servers they have.

upvoted 3 times

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