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Exam AWS Certified Solutions Architect - Professional topic 1 question 45 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Professional

Question #: 45
Topic #: 1

[All AWS Certified Solutions Architect - Professional Questions]

Your customer wishes to deploy an enterprise application to AWS, which will consist of several web servers, several application servers and a small (50GB)
Oracle database. Information is stored, both in the database and the file systems of the various servers. The backup system must support database recovery whole server and whole disk restores, and individual file restores with a recovery time of no more than two hours. They have chosen to use RDS Oracle as the database.
Which backup architecture will meet these requirements?

A. Backup RDS using automated daily DB backups. Backup the EC2 instances using AMIs and supplement with file-level backup to S3 using traditional enterprise backup software to provide file level restore.
B. Backup RDS using a Multi-AZ Deployment. Backup the EC2 instances using Amis, and supplement by copying file system data to S3 to provide file level restore.
C. Backup RDS using automated daily DB backups. Backup the EC2 instances using EBS snapshots and supplement with file-level backups to Amazon Glacier using traditional enterprise backup software to provide file level restore.
D. Backup RDS database to S3 using Oracle RMAN. Backup the EC2 instances using Amis, and supplement with EBS snapshots for individual volume restore.

Show Suggested Answer

Suggested Answer: A 🗳️

by chandler at Dec. 28, 2019, 4:52 a.m.

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Comments

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Mm_meaw

Highly Voted 3 years, 9 months ago

- no need for multi-az - no glacier - rds not support RMAN Then answer left is A.

upvoted 13 times

RVivek

3 years, 5 months ago

How do we address volume level restore (part of the question) Backup the EC2 instances using AMI -what does this mean ?

upvoted 1 times

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JJu

3 years, 8 months ago

Really? RDS not support RMAN? i search and find this document. https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/Appendix.Oracle.CommonDBATasks.RMAN.html

upvoted 2 times

ExtHo

3 years, 8 months ago

@JJu but you missed note in your provided link clearly mentioned "Currently, RMAN restore isn't supported for Amazon RDS for Oracle DB instances."

upvoted 6 times

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cldy

3 years, 8 months ago

why no Glacier? Expedited retrievals in Glacier is within 1-5 minutes.

upvoted 1 times

davideccc

2 years, 8 months ago

If the question does not specify the Glacier type, we need to assume it's "classic" Glacier with 12 hours retrieval time

upvoted 1 times

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kondratyevmn

1 year, 11 months ago

RDS for Oracle supports RMAN: https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/Appendix.Oracle.CommonDBATasks.RMAN.html

upvoted 1 times

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amministrazione

Most Recent 10 months, 1 week ago

A. Backup RDS using automated daily DB backups. Backup the EC2 instances using AMIs and supplement with file-level backup to S3 using traditional enterprise backup software to provide file level restore.

upvoted 1 times

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kondratyevmn

1 year, 11 months ago

Selected Answer: D

D. RMAN is supported at RDS (for Oracle) -> restore individual files from DB, should meet RTO =2h. https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/Appendix.Oracle.CommonDBATasks.RMAN.html AMIs will provide a quick recovery of the EC2/server. EBS snapshots will provide disk recovery functionality.

upvoted 1 times

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ashii007

2 years, 8 months ago

AWS RDS oracle supports RMAN https://aws.amazon.com/blogs/database/automate-amazon-rds-backups-using-the-oracle-rman-utility-and-upload-backup-files-to-amazon-s3/ Given 2 hour Restore objective, D is a viable option.

upvoted 2 times

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davideccc

2 years, 8 months ago

Selected Answer: A

the only answer that fits all the requirements is A

upvoted 1 times

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emmanuelodenyire

2 years, 8 months ago

Selected Answer: A

A fits the scenario

upvoted 1 times

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TechX

2 years, 12 months ago

Selected Answer: A

Can not be C. Even Expedited Galicer has retrival time 1-5 minutes (but only with files are < 250MB). Should be A

upvoted 2 times

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snakecharmer2

3 years, 1 month ago

Selected Answer: A

A - full server backup is done using AMI. snapshots are per volume backup.

upvoted 1 times

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bobsmith2000

3 years, 2 months ago

Selected Answer: C

C is correct. A) Backup the EC2 instances using AMIs is nonsense. The only reasonable way to back up your instance is snapshots using DLM. B) Multi-AZ deployment is not from a backup opera at all. It's more of HA strategy. D) For using Oracle RMAN the one have to OS level access to DB instance. Which's not the case with RDS.

upvoted 1 times

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