CLF-C02 Question 31
Single answerA company wants to migrate several terabytes of on-premises data to AWS. The data transfer must be secure, cost-effective, and completed within a few weeks. The company has a slow and unreliable internet connection. Which migration strategy is the most appropriate in this situation?
- A
Use AWS Snowball to transfer the data to AWS.
- B
Perform an online data transfer using AWS Direct Connect.
- C
Set up database replication over the internet.
- D
Use Amazon S3 Transfer Acceleration for faster uploads.
Show answer and explanation
Correct answer: A
Explanation
AWS Snowball is a physical data transfer device that enables the migration of large datasets in situations where the internet is slow or unreliable. It is cost-effective, secure, and can transfer terabytes of data within a few weeks, making it the best option for the given scenario.
- A. Correct.
Correct. AWS Snowball is ideal for transferring large amounts of data securely and cost-effectively when the internet connection is slow or unreliable.
- B. Incorrect.
Incorrect. AWS Direct Connect can provide a dedicated, high-speed connection, but it is not suitable for environments with slow and unreliable internet, and setup times can take weeks.
- C. Incorrect.
Incorrect. Database replication over the internet is not ideal for transferring large datasets when the internet connection is slow and unreliable.
- D. Incorrect.
Incorrect. Amazon S3 Transfer Acceleration is used to speed up data uploads to S3 over the internet, but it still relies on the internet, which is slow and unreliable in this case.