Exam AWS Certified Solutions Architect - Associate SAA-C02 All Questions

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Exam AWS Certified Solutions Architect - Associate SAA-C02 topic 1 question 374 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Associate SAA-C02

Question #: 374
Topic #: 1

[All AWS Certified Solutions Architect - Associate SAA-C02 Questions]

A company stores call recordings on a monthly basis. Statistically, the recorded data may be referenced randomly within a year but accessed rarely after 1 year.
Files that are newer than 1 year old must be queried and retrieved as quickly as possible. A delay in retrieving older files is acceptable. A solutions architect needs to store the recorded data at a minimal cost.
Which solution is MOST cost-effective?

A. Store individual files in Amazon S3 Glacier and store search metadata in object tags created in S3 Glacier Query S3 Glacier tags and retrieve the files from S3 Glacier.
B. Store individual files in Amazon S3. Use lifecycle policies to move the files to Amazon S3 Glacier after1 year. Query and retrieve the files from Amazon S3 or S3 Glacier.
C. Archive individual files and store search metadata for each archive in Amazon S3. Use lifecycle policies to move the files to Amazon S3 Glacier after 1 year. Query and retrieve the files by searching for metadata from Amazon S3.
D. Archive individual files in Amazon S3. Use lifecycle policies to move the files to Amazon S3 Glacier after 1 year. Store search metadata in Amazon DynamoDB. Query the files from DynamoDB and retrieve them from Amazon S3 or S3 Glacier.

Show Suggested Answer

Suggested Answer: B 🗳️

by Aki110 at March 13, 2021, 10:57 p.m.

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syu31svc

Highly Voted 3 years, 10 months ago

This is B for sure

upvoted 24 times

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Rainik

Highly Voted 3 years, 10 months ago

If it is a minimal cost, B looks correct option.

upvoted 11 times

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coolkidsclubvip

Most Recent 2 years, 1 month ago

Selected Answer: D

dddddd

upvoted 1 times

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orbpig

2 years, 9 months ago

Selected Answer: D

defintely D， there is no other way to query S3 metadata (s3 select is only for some of file formats), you must manage metadata yourself.

upvoted 2 times

orbpig

2 years, 9 months ago

and s3 select can not "retrieve as quickly as possible". think tons of files you need to scan.

upvoted 1 times

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maslanka

2 years, 11 months ago

Why not A? There is option in Glacier for instant retrieval

upvoted 1 times

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nisheng

2 years, 12 months ago

Selected Answer: D

Dddddd

upvoted 1 times

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ahaz

3 years ago

Selected Answer: C

https://docs.aws.amazon.com/AmazonS3/latest/userguide/selecting-content-from-objects.html "With Amazon S3 Select, you can use simple structured query language (SQL) statements to filter the contents of an Amazon S3 object and retrieve just the subset of data that you need" With that it mind, we need to store the files in S3, and the metadata in a specific object in S3. Then we will be able to use the S3 SELECT for querying the metadata object and then retrieve the actual file. The metadata part is missing in B, but C sounds to be the right solution.

upvoted 3 times

orbpig

2 years, 9 months ago

THIS IS ONLY FOR SOME OF FORMATS: Amazon S3 Select works on objects stored in CSV, JSON, or Apache Parquet format. It also works with objects that are compressed with GZIP or BZIP2 (for CSV and JSON objects only),

upvoted 1 times

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slcheng

3 years, 1 month ago

Selected Answer: C

Agreed with C

upvoted 1 times

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jyrajan69

3 years, 1 month ago

The wording important, you archive to Glacier so any answer that says archive to S3 can be eliminated. And Dynamo is a no go so the answer is B

upvoted 2 times

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achrafsky

3 years, 2 months ago

Selected Answer: B

B it's OK

upvoted 2 times

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Ivanyan

3 years, 5 months ago

Selected Answer: B

Correct Answer - B

upvoted 2 times

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Ivanyan

3 years, 5 months ago

Correct Answer - B

upvoted 1 times

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wetorek

3 years, 5 months ago

Selected Answer: B

BBBBBBBB

upvoted 2 times

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SmartDude

3 years, 6 months ago

Selected Answer: B

S3 Select can search in both S3 and Glacier

upvoted 3 times

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azure_kai

3 years, 7 months ago

Selected Answer: C

https://aws.amazon.com/blogs/architecture/swiftly-search-metadata-with-an-amazon-s3-serverless-architecture/ S3 select is for retrieval a subset of data from ONE object. What we really need here is the meta-data of an object file to be retrieved. So, B is incorrect. Compare C and D, C is an cheaper implementation.

upvoted 4 times

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Milan_S

3 years, 8 months ago

B. Amazon S3 Select and Amazon S3 Glacier Select enable customers to run structured query language SQL queries directly on data stored in S3 and Amazon S3 Glacier. https://aws.amazon.com/blogs/storage/querying-data-without-servers-or-databases-using-amazon-s3-select/

upvoted 2 times

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cannottellname

3 years, 9 months ago

We need to make the search easy as data is stored randomly. This could be done by metadata which can be stored in DynamoDB. Cost-effecticient at the cost of performance makes no sense. https://aws.amazon.com/blogs/big-data/building-and-maintaining-an-amazon-s3-metadata-index-without-servers/

upvoted 3 times

Xfo

3 years, 9 months ago

You need lambda too to store metadata in Dynamo...in Answer D..there is no lambda..

upvoted 4 times

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