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Exam AWS Certified Solutions Architect - Professional topic 1 question 543 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Professional
Question #: 543
Topic #: 1
[All AWS Certified Solutions Architect - Professional Questions]

A company has a data center that must be migrated to AWS as quickly as possible. The data center has a 500 Mbps AWS Direct Connect link and a separate, fully available 1 Gbps ISP connection. A Solutions Architect must transfer 20 TB of data from the data center to an Amazon S3 bucket.
What is the FASTEST way transfer the data?

  • A. Upload the data to the S3 bucket using the existing DX link.
  • B. Send the data to AWS using the AWS Import/Export service.
  • C. Upload the data using an 80 TB AWS Snowball device.
  • D. Upload the data to the S3 bucket using S3 Transfer Acceleration.
Show Suggested Answer Hide Answer
Suggested Answer: D 🗳️
by jay1ram2 at March 17, 2020, 8:56 a.m.
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jay1ram2
Highly Voted 3 years, 8 months ago
Transfer Acceleration over a fully available 1 Gbps can theoretically move around 10TB/Day. 1 Gbps = (1024/8) MBPs = 128 MBps (128 MBps * 3600 secs * 24 Hrs)/1024 = 10,800 GB/Day = 10TB/Day Along with Transfer Acceleration, which provides a consistent experience, the entire data can be moved in 2 days. However AWS Import/Export (now snowball) takes around a week to make the data available on AWS. The Answer is D.
upvoted 25 times
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SkyZeroZx
Most Recent 1 year, 10 months ago
Selected Answer: D
I agree with jay1ram2's analysis.
upvoted 1 times
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evargasbrz
2 years, 4 months ago
Selected Answer: D
I agree with jay1ram2's analysis.
upvoted 1 times
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janvandermerwer
2 years, 6 months ago
Selected Answer: D
D looks to be the best answer. - Especially with the brief stating "fastest solution" Snowball and import/export likely will be to slow (~6 days) vs potentially 2-3 days using s3 transfer acceleration.
upvoted 1 times
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tomosabc1
2 years, 7 months ago
Selected Answer: D
The answer should be D. Agree with jay1ram2's analysis.
upvoted 1 times
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aloha123
3 years ago
Selected Answer: D
AWS Import/Export is now Snowball. It takes about 4-6 days to receive a Snowball. With option D we can complete in 2 days.
upvoted 3 times
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HellGate
3 years, 3 months ago
My answer is C Question didn’t say about location information so it’s not easy to compare transfer rate thru S3 Transfer Acceleration . When I check aws document I could find pretty similar case with mig data of 25TB from below link on example 2. https://aws.amazon.com/snowball/pricing/ However, it's worth to memorize 1Gbps = 10TB/Day.
upvoted 2 times
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tkanmani76
3 years, 4 months ago
D - Considering the data is 20 TB we can complete in 2 days using S3 Transfer acceleration - if we look at higher data say 50TB, then it would make sense to use Snowball as it would take same time (say 5 days) but almost 60% cheaper than S3 TA.
upvoted 2 times
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AzureDP900
3 years, 5 months ago
I'll go with D
upvoted 1 times
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nodogoshi
3 years, 6 months ago
A. S3 Transfer Acceleration do nothing in this situation. simply upload with direct connect.
upvoted 3 times
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WhyIronMan
3 years, 6 months ago
I'll go with D
upvoted 2 times
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Waiweng
3 years, 6 months ago
it's D
upvoted 3 times
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blackgamer
3 years, 6 months ago
D seems to be the most suitable. But very ambiguous answers still.
upvoted 2 times
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Sunflyhome
3 years, 7 months ago
Nooo D! Please never use business internet to transfer huge data with full bandwidth. Your boss even get delay to open Google. A is my choice. it doesn't need logistic and transport time for arrival, copy, shipping, etc. C seems old since AWS started to offer Snowball mobile edge https://aws.amazon.com/snowball/faqs/ https://aws.amazon.com/snowball/faqs/
upvoted 3 times
sarah_t
3 years, 6 months ago
The question says "a separate, fully available 1 Gbps ISP connection". And asks for the FASTEST solution. It may not be ideal in a real-world setting, but it IS the fastest.
upvoted 2 times
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WhyIronMan
3 years, 6 months ago
"a separate, fully available 1 Gbps ISP connection". "FASTEST solution" I'll go with D
upvoted 1 times
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kiev
3 years, 7 months ago
Another repeat question and D is the answer
upvoted 1 times
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Ebi
3 years, 7 months ago
Using 1Gbps internet speed you can transfer around 10TB of data per day much less than Snowball D is my choice
upvoted 3 times
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T14102020
3 years, 7 months ago
Correct is D. S3 Transfer Acceleration
upvoted 3 times
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