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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 841 discussion

A company uses Amazon EC2 instances and Amazon Elastic Block Store (Amazon EBS) to run its self-managed database. The company has 350 TB of data spread across all EBS volumes. The company takes daily EBS snapshots and keeps the snapshots for 1 month. The daily change rate is 5% of the EBS volumes.

Because of new regulations, the company needs to keep the monthly snapshots for 7 years. The company needs to change its backup strategy to comply with the new regulations and to ensure that data is available with minimal administrative effort.

Which solution will meet these requirements MOST cost-effectively?

  • A. Keep the daily snapshot in the EBS snapshot standard tier for 1 month. Copy the monthly snapshot to Amazon S3 Glacier Deep Archive with a 7-year retention period.
  • B. Continue with the current EBS snapshot policy. Add a new policy to move the monthly snapshot to Amazon EBS Snapshots Archive with a 7-year retention period.
  • C. Keep the daily snapshot in the EBS snapshot standard tier for 1 month. Keep the monthly snapshot in the standard tier for 7 years. Use incremental snapshots.
  • D. Keep the daily snapshot in the EBS snapshot standard tier. Use EBS direct APIs to take snapshots of all the EBS volumes every month. Store the snapshots in an Amazon S3 bucket in the Infrequent Access tier for 7 years.
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Suggested Answer: B 🗳️

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Scheldon
Highly Voted 10 months ago
Selected Answer: B
AnswerB The problem is that we need to choose best solution which is most cost-effective and have minimal administrative effort. Glacier is the best choice for 1st look, but there is one problem with that solution. From what I know there is no easy way to copy from EBS to Glacier and additionally curent strategy is to make incremental snapshots. To copy file from EBS to (s3) Glacier we would need to run linux to which we will mount EBS and we will need copy everything to S3 and then move to glaceir deep archive. And what is more you will have only incremental snapshot. Hence every solution which will say copy/move to S3 is not minimal administrative effort. Not mentionig that you will not have full snapshot https://repost.aws/questions/QUsaCoBAfbR6WMOz6BH3vqHA/move-ebs-to-glacier
upvoted 8 times
MatAlves
6 months ago
I first thought the same, but NO: "Which solution will meet these requirements MOST cost-effectively?" There is no mention to "operational overhead" or "minimal changes", etc. The question is asking purely "what is cheaper". So, A is the answer. "We charge you $0.0125 per GB-month of stored data and $0.03 per GB retrieved. " "All Storage / Month $0.0036 per GB S3 Glacier Deep Archive *** - For long-term data archiving that is accessed once or twice in a year and can be restored within 12 hours"
upvoted 2 times
elmyth
5 months ago
"to ensure that data is available with minimal administrative effort." - there are 2 conditions
upvoted 3 times
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rondelldell
Highly Voted 11 months, 3 weeks ago
Selected Answer: A
How much does EBS snapshots archive cost? Pricing and billing. Archived snapshots are billed at a rate of $0.0125 per GB-month. For example, if you archive a 100 GiB snapshot, you are billed $1.25 (100 GiB * $0.0125) per month. What is the cost of Glacier? Even though uploading data to Amazon S3 Glacier is free, there is a pricing method for upload requests, which is $0.03 per 1,000 requests. Transferring data out of S3 Glacier to the same region is free; however, there is a cost for transferring data to a different region. • $0.0036 per GB / Month
upvoted 7 times
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nadeerm
Most Recent 3 weeks, 1 day ago
Selected Answer: B
Cost Efficiency : Amazon EBS Snapshots Archive is designed to provide a cost-effective option for long-term storage of EBS snapshots. By moving monthly snapshots to the archive tier, you will significantly reduce the cost
upvoted 1 times
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tch
4 weeks, 1 day ago
Selected Answer: B
Amazon EBS Snapshots Archive is a storage tier that you can use for low-cost, long-term storage of your rarely-accessed snapshots that do not need frequent or fast retrieval. Move to S3... more job, so A is not a good idea... Only 5% daily change.. would consider cheaper than S3 for long run... (MOST cost-effectively) I don't think in the exam need to calculate cost per $, how to remember? Just add new policy to move the snapshot to Amazon EBS Snapshots Archive (minimal administrative effort)
upvoted 1 times
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Dantecito
1 month, 1 week ago
Selected Answer: A
A or B but I will choose A because Is the MOST cost-effectively and companies will always choose to save money.
upvoted 1 times
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Salilgen
2 months, 3 weeks ago
Selected Answer: B
"EBS Snapshots are stored incrementally." "The snapshots are automatically saved to Amazon Simple Storage Service (Amazon S3) for long-term retention" "Save up to 75% in snapshot storage costs by using EBS Snapshots Archive for the long-term retention (over 90 days) of seldom-accessed snapshots." Moreover, copy files (option A) requires more administrative effort than automatic policy. https://aws.amazon.com/ebs/snapshots/#:~:text=available%20and%20durable-,Amazon%20EBS%20Snapshots%20are%20a%20convenient%20way%20to%20back%20up,availability%20of%20your%20EBS%20Snapshots.
upvoted 1 times
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LeonSauveterre
3 months ago
Selected Answer: A
A - S3 Glacier Deep Archive is designed for long-term data archiving with a retention period of up to 7 years or more at an extremely low cost (the most cost-effective S3 storage class). B - OK but EBS Snapshots Archive costs more. C - Keep the monthly snapshot in the standard tier for 1 month, OK. For 7 years??? You'll pay so much money for that. The standard EBS snapshot tier is designed for frequent access. D - Storing snapshots directly in Amazon S3 (even in the Infrequent Access tier) is not ideal for EBS snapshots because it doesn't leverage EBS snapshot mechanisms, which are designed for efficient storage and management of EBS backup data.
upvoted 2 times
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ARV14
4 months ago
Selected Answer: B
https://repost.aws/knowledge-center/ebs-copy-snapshot-data-s3-create-volume. =>I want to copy an Amazon Elastic Block Store (Amazon EBS) snapshot to my Amazon Simple Storage Service (Amazon S3) bucket. I also want to create Amazon EBS volumes from data that's stored in my S3 bucket. Looks like B Short description When you create an EBS snapshot, it's automatically stored in an Amazon S3 bucket that AWS manages. You can copy snapshots within the same AWS Region, or from one Region to another. However, you can't copy snapshots to S3 buckets that you manage.
upvoted 1 times
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MatAlves
6 months, 1 week ago
Selected Answer: B
If we consider both cost and administrative effort more closely: EBS Snapshots Archive may be easier to manage but could incur higher costs over 7 years compared to S3 Glacier. S3 Glacier, despite its complexity for initial transfers, could end up being more cost-effective in the long run, especially for large data volumes. Ultimately, if minimizing costs is a primary concern and the organization can handle the initial complexity of transferring snapshots, using S3 Glacier (Option A) could still be worth considering. So, while Option B is easier, if cost is a significant factor, Option A might be the better choice despite the additional administrative effort involved. It's a trade-off that depends on the organization's priorities regarding cost and operational simplicity.
upvoted 4 times
MatAlves
6 months ago
"We charge you $0.0125 per GB-month of stored data and $0.03 per GB retrieved. " https://aws.amazon.com/blogs/aws/new-amazon-ebs-snapshots-archive/ "All Storage / Month $0.0036 per GB S3 Glacier Deep Archive *** - For long-term data archiving that is accessed once or twice in a year and can be restored within 12 hours" https://aws.amazon.com/s3/pricing/ 2nd time reviewing this question and, yeah, "A" is the option that better meets the "cost" requirement.
upvoted 2 times
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dhewa
7 months, 1 week ago
Selected Answer: A
Keyword here is cost. S3 Glacier deep archive is significantly cheaper than keeping snapshots in the EBS snapshot standard tier or even the EBS Snapshots Archive.
upvoted 4 times
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Abdullah2004
7 months, 1 week ago
Selected Answer: A
A is correct answer
upvoted 3 times
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Johnoppong101
7 months, 2 weeks ago
Selected Answer: B
Choose EBS Snapshot Archive when: Data is associated with EBS volumes. You need to maintain point-in-time copies of your EBS volumes.   You require faster restore times than S3 Glacier Archive. You need to comply with regulations requiring EBS snapshot retention.
upvoted 3 times
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Zahran23
8 months, 2 weeks ago
Selected Answer: A
Option (B) is incorrect due to the following: Archiving is recommended for monthly, quarterly, or yearly snapshots. Archiving daily incremental snapshots of a single volume can lead to higher costs when compared to keeping them in the standard tier. https://docs.aws.amazon.com/ebs/latest/userguide/snapshot-archive.html
upvoted 5 times
Cpso
4 months ago
the company needs to keep the monthly snapshots for 7 years. not daily
upvoted 1 times
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Lin878
9 months ago
Selected Answer: A
I would like to vote "A". we have to focus on the cost as per question.
upvoted 3 times
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NSA_Poker
9 months, 2 weeks ago
Selected Answer: B
(A) is incorrect. Although S3 Glacier Deep Archive is cheaper, to copy the monthly EBS snapshot to S3 would leave a container filled with incremental snapshots that would need to be first assembled into a full snapshot before it could be available. Amazon EBS Snapshots Archive stores full snapshots ensuring 'that data is available with minimal administrative effort'.
upvoted 1 times
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TwinSpark
10 months, 2 weeks ago
Selected Answer: B
looks like an archivesituation for me https://docs.aws.amazon.com/ebs/latest/userguide/snapshot-archive.html The option A is actually cheaper, but i do not like the word copy, and as far as i know there is no way, without writing custom code, to automate che move of snapshot to glacier and i think that the purposu of this question is to show that you know that there is the snapshot archive option
upvoted 2 times
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kelmryan1
10 months, 4 weeks ago
B , there is not admin effort for bringing it back
upvoted 2 times
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