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Exam AWS-SysOps topic 1 question 310 discussion

Exam question from Amazon's AWS-SysOps

Question #: 310
Topic #: 1

You have a proprietary data store on-premises that must be backed up daily by dumping the data store contents to a single compressed 50GB file and sending the file to AWS. Your SLAs state that any dump file backed up within the past 7 days can be retrieved within 2 hours. Your compliance department has stated that all data must be held indefinitely. The time required to restore the data store from a backup is approximately 1 hour. Your on-premise network connection is capable of sustaining 1gbps to AWS.
Which backup methods to AWS would be most cost-effective while still meeting all of your requirements?

A. Send the daily backup files to Glacier immediately after being generated
B. Transfer the daily backup files to an EBS volume in AWS and take daily snapshots of the volume
C. Transfer the daily backup files to S3 and use appropriate bucket lifecycle policies to send to Glacier
D. Host the backup files on a Storage Gateway with Gateway-Cached Volumes and take daily snapshots

Show Suggested Answer

Suggested Answer: C 🗳️
Because in the stored volume mode, you are storing data locally, the binary-compressed format is already available, and the bandwidth of your AWS connection meets the 7days/2hour SLA.

by karmaah at Nov. 22, 2019, 11:46 p.m.

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Comments

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xxxdolorxxx

7 months, 3 weeks ago

C all day long. Seems more like a SAA question or a CCP but who cares, lol.

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TroyMcLure

7 months, 3 weeks ago

Correct Answer: C data must be held indefinitely + most cost-effective => bucket lifecycle policies to send to Glacier

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robertohyena

7 months, 3 weeks ago

A - not possible to send files directly to Glacier B - not cost effective to store in EBS C - best answer, s3 and using lifecycle policies to move objects to Glacier D - not cost effective, storage gateway + s3 is not cost effective for long term backup

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mrphuongbn

8 months ago

Full Options D. Ensure all users have been assigned and are frequently rotating a password, access ID/secret key, and 509 certificate Answer: B C

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narayanan010

8 months, 2 weeks ago

Doesn't the answer's explanation point to Option D? Could anyone please confirm this question's answer?

upvoted 2 times

narayanan010

8 months, 1 week ago

Correct answer is C - Store in S3 for seven days and then archive to Glacier

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awscertified

8 months, 2 weeks ago

C. Transfer the daily backup files to S3 and use appropriate bucket lifecycle policies to send to Glacier

upvoted 3 times

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karmaah

9 months ago

Option D is similar. But snapshot option is not the cost one and limited per region. A & B. Not relevant. so obviously C

upvoted 1 times

karmaah

8 months, 3 weeks ago

Ans C : Typo in the above update. Option D is similar. But snapshot option is the cost factor and also limited per region.

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