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Question 834 - SAA-C03 discussion

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A company needs to migrate a MySQL database from an on-premises data center to AWS within 2 weeks. The database is 180 TB in size. The company cannot partition the database.

The company wants to minimize downtime during the migration. The company's internet connection speed is 100 Mbps.

Which solution will meet these requirements?

A.

Order an AWS Snowball Edge Storage Optimized device. Use AWS Database Migration Service (AWS DMS) and the AWS Schema Conversion Tool (AWS SCT) to migrate the database to Amazon RDS for MySQL and replicate ongoing changes. Send the Snowball Edge device back to AWS to finish the migration. Continue to replicate ongoing changes.

Answers
A.

Order an AWS Snowball Edge Storage Optimized device. Use AWS Database Migration Service (AWS DMS) and the AWS Schema Conversion Tool (AWS SCT) to migrate the database to Amazon RDS for MySQL and replicate ongoing changes. Send the Snowball Edge device back to AWS to finish the migration. Continue to replicate ongoing changes.

B.

Establish an AWS Site-to-Site VPN connection between the data center and AWS. Use AWS Database Migration Service (AWS DMS) and the AWS Schema Conversion Tool (AWS SCT) to migrate the database to Amazon RDS tor MySQL and replicate ongoing changes.

Answers
B.

Establish an AWS Site-to-Site VPN connection between the data center and AWS. Use AWS Database Migration Service (AWS DMS) and the AWS Schema Conversion Tool (AWS SCT) to migrate the database to Amazon RDS tor MySQL and replicate ongoing changes.

C.

Establish a 10 Gbps dedicated AWS Direct Connect connection between the data center and AWS. Use AWS DataSync to replicate the database to Amazon S3. Create a script to import the data from Amazon S3 to a new Amazon RDS for MySQL database instance.

Answers
C.

Establish a 10 Gbps dedicated AWS Direct Connect connection between the data center and AWS. Use AWS DataSync to replicate the database to Amazon S3. Create a script to import the data from Amazon S3 to a new Amazon RDS for MySQL database instance.

D.

Use the company's existing internet connection. Use AWS DataSync to replicate the database to Amazon S3. Create a script to import the data from Amazon S3 to a new Amazon RDS for MySQL database instance.

Answers
D.

Use the company's existing internet connection. Use AWS DataSync to replicate the database to Amazon S3. Create a script to import the data from Amazon S3 to a new Amazon RDS for MySQL database instance.

Suggested answer: A

Explanation:

Given the large size (180 TB) of the database and the time constraint, AWS Snowball Edge Storage Optimized is the best solution. Snowball Edge allows for the physical transfer of large datasets to AWS efficiently without relying on slow internet connections. AWS DMS and SCT can be used to perform ongoing replication of any changes made during the migration, ensuring minimal downtime.

Option B (VPN): Using a 100 Mbps internet connection would take far too long to transfer 180 TB.

Option C (Direct Connect): Establishing a 10 Gbps Direct Connect link might not be feasible within the 2-week timeframe.

Option D (DataSync over internet): With the existing internet connection, DataSync would also take too long.

AWS

Reference:

AWS Snowball Edge

AWS DMS

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asked 27/10/2024
John Hammonds
31 questions
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