A company must migrate 20 TB of data from a data center to the AWS Cloud within 30 days. The company's network bandwidth is limited to 15 Mbps and cannot exceed 70% utilization. What should a solutions architect do to meet these requirements?
This question was on my test that I passed on Nov 20 2021. I picked A. Roughly half of the questions are from this 500 examtopics dump. But other half were unheard of new and lengthy ones in my test. Some of those questions had similarities but had twisted options. Good luck ya'll.
1. If there is more than 25Mbps of available bandwidth , S3TA is good option. However, In question company's network bandwidth is limited to 15Mbps.
2. Given 30days period, We can use Snowball.
Snowball has Lower network costs.
https://tutorialsdojo.com/s3-transfer-acceleration-vs-direct-connect-vs-vpn-vs-snowball-vs-snowmobile/
A. Use AWS Snowball.
AWS Snowball is a data transport solution that helps to transfer large amounts of data into and out of AWS. With Snowball, you can securely transfer data to AWS when network constraints, such as limited bandwidth or high data volumes, make it impractical to transfer data over the internet.
Internet speed measurement unit is Mbps is mean is per bit per second. other hand MB is size measurement about bytes. a byte is equal to 8 bit so you should divide 27/8 = 3.4TB answer is A
Answer is wrongly marked,it should be B.Data Sync
.7*15mbps=10 mbps approx
30 days=720 hrs(30*24)
So,10mbps* (720hrs*60min/hr *60 sec/min)= 2592 0000 mb
or 25920 gb or 25 tb can be transferred
we need to move 20 TB->No need to go for SNOW
Update-beware of 'b' and 'B'
1 Byte(B)= 8 bits(b)
in my above calculation, 25 tb converts to 25tb*1 B/8b=approx 3 TB.
So we cannot transfer 20 TB->use Snowball.
Answer marked is correct.
My first try was to select A, but after calculations I get that you can transfer 20TB in 30 days:
20 TB
20480 GB
20971520 MB
15 MB/s
10,5 MB/s (70% of 15)
1997287.61904762 s
554.8021164021 h
23.1167548501 days (less than 30)
Please help, what I'm not saying
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