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Exam AWS-SysOps topic 1 question 310 discussion

Exam question from Amazon's AWS-SysOps
Question #: 310
Topic #: 1
[All AWS-SysOps Questions]

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 Hide 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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xxxdolorxxx
9 months, 2 weeks ago
C all day long. Seems more like a SAA question or a CCP but who cares, lol.
upvoted 1 times
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TroyMcLure
9 months, 2 weeks ago
Correct Answer: C data must be held indefinitely + most cost-effective => bucket lifecycle policies to send to Glacier
upvoted 1 times
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robertohyena
9 months, 2 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
upvoted 2 times
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mrphuongbn
9 months, 3 weeks 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
upvoted 1 times
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narayanan010
10 months, 1 week ago
Doesn't the answer's explanation point to Option D? Could anyone please confirm this question's answer?
upvoted 2 times
narayanan010
10 months, 1 week ago
Correct answer is C - Store in S3 for seven days and then archive to Glacier
upvoted 1 times
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awscertified
10 months, 1 week 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
10 months, 3 weeks 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
10 months, 2 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.
upvoted 2 times
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