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Exam AWS Certified Solutions Architect - Associate SAA-C02 topic 1 question 220 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Associate SAA-C02
Question #: 220
Topic #: 1
[All AWS Certified Solutions Architect - Associate SAA-C02 Questions]

A company has a 143 TB MySQL database that it wants to migrate to AWS. The plan is to use Amazon Aurora MySQL as the platform going forward. The company has a 100 Mbps AWS Direct Connect connection to Amazon VPC.
Which solution meets the company's needs and takes the LEAST amount of time?

  • A. Use a gateway endpoint for Amazon S3. Migrate the data to Amazon S3. Import the data into Aurora.
  • B. Upgrade the Direct Connect link to 500 Mbps. Copy the data to Amazon S3. Import the data into Aurora.
  • C. Order an AWS Snowmobile and copy the database backup to it. Have AWS import the data into Amazon S3. Import the backup into Aurora.
  • D. Order four 50-TB AWS Snowball devices and copy the database backup onto them. Have AWS import the data into Amazon S3. Import the data into Aurora.
Show Suggested Answer Hide Answer
Suggested Answer: D 🗳️
by SlimeMould at Nov. 1, 2020, 11:25 p.m.
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Quitnotherethere123
Highly Voted 3 years, 7 months ago
Just did the calculation. 100mbps will take 143 days. 500mbps will need to be ordered, then it'll take another 25 days. Snowmobile is an overkill. You guessed it, D is the right answer.
upvoted 38 times
amxexam
3 years, 7 months ago
Snowmobile = 10days 2X Snoball = 7 days Yes D is the least
upvoted 10 times
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Nikhilcy
2 years, 2 months ago
500 mpbs is 500x60x60x24=43tb per day.. So the task would take a max of 3.5 days..Right? Or am I missing something
upvoted 2 times
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Afawifi
Highly Voted 3 years, 6 months ago
50 TB Snowballs have 42 TB of usable space. so 42 x 3 = 126(less than 143TB) so they need to order 4 snowballs(168TB). https://docs.aws.amazon.com/snowball/latest/ug/specifications.html
upvoted 20 times
sayed
3 years, 3 months ago
it says 4 snowball from where you got 42 * 3 it should be 42*4 = 168
upvoted 3 times
eBooKz
2 years, 11 months ago
Read the link.
upvoted 2 times
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Nikhilcy
Most Recent 2 years, 2 months ago
500 mpbs is 500x60x60x24=43tb per day.. So the task would take a max of 3.5 days..Right? Or am I missing something
upvoted 2 times
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Sachin032
2 years, 2 months ago
Selected Answer: D
Snowmobile for smaller version , snowball is bigger data transfer so answer is D
upvoted 1 times
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slcheng
2 years, 9 months ago
Selected Answer: D
Agreed with D
upvoted 3 times
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janvandermerwer
3 years, 2 months ago
Selected Answer: D
Agree with D
upvoted 1 times
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farciarz212
3 years, 4 months ago
F it, get snowmobile have some fun! Who would not like to see one in real life?
upvoted 19 times
miles3719
2 years, 8 months ago
that it. I want to see an amazon branded container delivered to my workplace. Least cost, phah. what if one of the snowballs was faulty? or got lost? Hard to lose a whole container.
upvoted 1 times
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gargaditya
3 years, 5 months ago
A-GW endpoint(VPC endpoint) is to avoid traversing the internet when src and dst are in AWS. I think with establishment of direct connect,gw endpoint will not be needed as such. B- NOTE that capacity can be added/removed on demand for DX Hosted Connections(50mbps,500mbps,10gbps) ITs bits not bytes. So @ 500mbps: 143 TB*8 b/B*1000 000 M* 1s/500M =2288 000 s or 26.48 days C-Overkill as Snowmobile is 100 PB(1PB=1000 TB) D suits
upvoted 4 times
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ansarica
3 years, 6 months ago
snowmobile for 100PB data capacity. So, D is perfect in this case.
upvoted 2 times
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WellsPham
3 years, 6 months ago
Can we use Calculator when taking the exam ? If not how can we calculate this
upvoted 3 times
MyExamTopics123
3 years ago
There should be a calculator button on the online exam. For a live exam, you can use a piece of paper + pen
upvoted 1 times
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Chike
3 years, 6 months ago
Answer is B. It takes 3.3 days to upload if you upgrade to 500MBS. 143 TB = 143,000,000MB; we have a total of 86400 secs in a day. If you divide 143,000,000 by 86400 = 3.3 days. Answer is B
upvoted 1 times
tinyshare
3 years, 6 months ago
143TB the big B means Byte 500Mbps the little b means bit so you need to 3.3 x 8 = 26.4 days
upvoted 5 times
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Chike
3 years, 6 months ago
You still need to divide by 500MBS t get 3.3 days
upvoted 2 times
waqas
3 years, 6 months ago
Connection is 500Mbps not 500MBPS....so multiple 143000000 by 8 to get bits.....Hell of days man....so D is right.
upvoted 2 times
waqas
3 years, 6 months ago
25-26 days will be required.
upvoted 1 times
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Flass
3 years, 6 months ago
The devil is in the detail, we're upgrading to 500Mbps (bit) as opposed to 500MBps (byte). So you can multiply your 3.3 days by 8... It'll take over 26 days to transfer the data consistenly at the max speed and with no interruption.
upvoted 2 times
Flass
3 years, 6 months ago
Goes without saying... Option D.
upvoted 1 times
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syu31svc
3 years, 6 months ago
100% is D A doesn't address the issue at all B will still take a lot of time for the transfer Snowmobile is too much of an overkill so C is wrong
upvoted 5 times
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abdallahexa
3 years, 6 months ago
(143×1000×1000) ÷ 500÷60÷60÷24 = 3 Dayes I think the answer is B
upvoted 1 times
Gatz
3 years, 6 months ago
Upgrading the connection speed time also needs to be accounted.
upvoted 1 times
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waqas
3 years, 6 months ago
Connection is 500Mbps not 500MBPS....so multiple 143000000 by 8 to get bits.....Hell of days man....so D is right.
upvoted 4 times
waqas
3 years, 6 months ago
25-26 days will be required.
upvoted 1 times
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Bonjaski0989
3 years, 6 months ago
Can anyone explain why D rather than A in detail?
upvoted 1 times
swadeey
3 years, 6 months ago
Q: How long does it take to transfer my data? In the US regions, Snowballs come in two sizes: 50 TB and 80 TB. All other regions have the 80 TB Snowballs only. If you're using Snowball to import data, and you need to transfer more data than will fit on a single Snowball, create additional jobs. Data transfer speed is affected by a number of factors including local network speed, file size, and the speed at which data can be read from your local servers. The end-to-end time to transfer up to 80 TB of data into AWS with Snowball Edge is approximately one week, including the usual shipping and handling time in AWS data centers. With A it will take more than a Month to transfer data. If you notice "LEAST" is in caps so that is a key stress given in question
upvoted 1 times
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Yogi
3 years, 7 months ago
Ans=D. Order four 50-TB AWS Snowball devices and copy the database backup onto them. Have AWS import the data into Amazon S3. Import the data into Aurora.
upvoted 2 times
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AwsNewPeople
3 years, 7 months ago
i agreed with D, but why dont we order 3 50GB AWS Snowball instead of 4?
upvoted 1 times
Akshay0403
3 years, 6 months ago
50 TB Snowballs have 42 TB of usable space. so 42 x 3 = 126(less than 143TB) so they need to order 4 snowballs(168TB).
upvoted 3 times
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mode
3 years, 7 months ago
With 500 Mbps we need 26.5 days so answer is D, 4 Snowball Edge (compute optimized 42/7.68 GB)
upvoted 2 times
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