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Exam AWS Certified Solutions Architect - Professional topic 1 question 426 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Professional
Question #: 426
Topic #: 1
[All AWS Certified Solutions Architect - Professional Questions]

A company is running a high-user-volume media-sharing application on premises. It currently hosts about 400 TB of data with millions of video files. The company is migrating this application to AWS to improve reliability and reduce costs.
The Solutions Architecture team plans to store the videos in an Amazon S3 bucket and use Amazon CloudFront to distribute videos to users. The company needs to migrate this application to AWS within 10 days with the least amount of downtime possible. The company currently has 1 Gbps connectivity to the Internet with
30 percent free capacity.
Which of the following solutions would enable the company to migrate the workload to AWS and meet all of the requirements?

  • A. Use a multi-part upload in Amazon S3 client to parallel-upload the data to the Amazon S3 bucket over the Internet. Use the throttling feature to ensure that the Amazon S3 client does not use more than 30 percent of available Internet capacity.
  • B. Request an AWS Snowmobile with 1 PB capacity to be delivered to the data center. Load the data into Snowmobile and send it back to have AWS download that data to the Amazon S3 bucket. Sync the new data that was generated while migration was in flight.
  • C. Use an Amazon S3 client to transfer data from the data center to the Amazon S3 bucket over the Internet. Use the throttling feature to ensure the Amazon S3 client does not use more than 30 percent of available Internet capacity.
  • D. Request multiple AWS Snowball devices to be delivered to the data center. Load the data concurrently into these devices and send it back. Have AWS download that data to the Amazon S3 bucket. Sync the new data that was generated while migration was in flight.
Show Suggested Answer Hide Answer
Suggested Answer: D 🗳️
Reference:
https://www.edureka.co/blog/aws-snowball-and-snowmobile-tutorial/
by donathon at Sept. 30, 2019, 8:33 a.m.
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donathon
Highly Voted 3 years, 9 months ago
D A\C: Too slow B: Too expensive. Usually for petabyte workloads. https://aws.amazon.com/snowball/faqs/
upvoted 35 times
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Averageguy
Highly Voted 3 years, 9 months ago
How should I choose between Snowmobile and Snowball? To migrate large datasets of 10PB or more in a single location, you should use Snowmobile. For datasets less than 10PB or distributed in multiple locations, you should use Snowball. In addition, you should evaluate the amount of available bandwidth in your network backbone. If you have a high speed backbone with hundreds of Gb/s of spare throughput, then you can use Snowmobile to migrate the large datasets all at once. If you have limited bandwidth on your backbone, you should consider using multiple Snowballs to migrate the data incrementally.
upvoted 18 times
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mimadour21698
Most Recent 2 years, 2 months ago
Selected Answer: D
D based on answers
upvoted 1 times
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mrgreatness
2 years, 8 months ago
Okay sorry has to be D, to transfer 400TB over a 1GiB line it would take approx 40 days. So, in my opinion, the questions is bad as it doesn't properly consider the Snowball shipping times , but safest bet here is D. Final Answer D!
upvoted 1 times
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mrgreatness
2 years, 8 months ago
As a default, Snowball uses standard shipping of two- five days. You cannot choose expedited shipping at this time -- from FAQ
upvoted 1 times
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mrgreatness
2 years, 8 months ago
D - The Snowball services can typically transfer up to 100 TBs in about a week. So Order 5, we got 10 days here. seems to make sense! However, how long will it take to be delivered and then sent back hmmm
upvoted 1 times
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hilft
2 years, 11 months ago
Between B and D. D
upvoted 1 times
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Weninka
3 years, 2 months ago
I would go with A, as B & D will most probably not fit in the time frame - the questions states the data should be migrated within 10 days. The delivery & return of the snowball devices will take at least 2 days and you're left with 8 (in best case scenario) to upload the data on/off the devices. According to this documentation 400TB might take ~ 6 days to get uploaded. https://docs.aws.amazon.com/snowball/latest/developer-guide/BestPractices.html Utilizing Transfer manager and s3 client multipart parallel uploads seems like a better option for me. https://aws.amazon.com/blogs/developer/introducing-amazon-s3-transfer-manager-in-the-aws-sdk-for-java-2-x/ https://docs.aws.amazon.com/AmazonS3/latest/userguide/mpuoverview.html
upvoted 1 times
mrgreatness
2 years, 8 months ago
I was thinking exactly the same. Shipping can be 2-5 days, and then sending back..would it make the 10 day timeframe
upvoted 1 times
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Jonfernz
3 years, 5 months ago
One Snowball = 80TB. All you need is 5 80TB Snowballs. Much more cost effective than Snowmobile.
upvoted 1 times
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cldy
3 years, 7 months ago
D. Request multiple AWS Snowball devices to be delivered to the data center. Load the data concurrently into these devices and send it back. Have AWS download that data to the Amazon S3 bucket. Sync the new data that was generated while migration was in flight.
upvoted 2 times
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andylogan
3 years, 8 months ago
It's D
upvoted 2 times
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WhyIronMan
3 years, 8 months ago
I'll go with D
upvoted 2 times
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Waiweng
3 years, 8 months ago
Go for Snowball D
upvoted 3 times
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Kian1
3 years, 8 months ago
will go with D
upvoted 2 times
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Ebi
3 years, 8 months ago
Answer is D
upvoted 4 times
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sanjaym
3 years, 8 months ago
I'll go with D
upvoted 3 times
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rscloud
3 years, 8 months ago
D data <10pb
upvoted 1 times
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