SAP-C02 Practice Question: Accelerate Workload Migration and Modernization
A company is migrating a critical application from on-premises to AWS using a lift-and-shift approach. The application requires consistent low-latency access to an on-premises database. Which network solution should the company implement to meet the latency requirement during the migration?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Establish an AWS Direct Connect connection between the on-premises data center and AWS.
D is correct because AWS Direct Connect provides dedicated, consistent low-latency connectivity from on-premises to AWS, meeting the latency requirement. A is wrong because a site-to-site VPN over the internet introduces variability and inconsistent latency due to internet routing. B is wrong because VPC peering is for connecting VPCs within AWS, not for on-premises connectivity. C is wrong because AWS Client VPN is designed for individual client connections, not for consistent application-level latency.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Set up a site-to-site VPN over the internet.
Why it's wrong here
VPN is subject to internet latency and instability.
- ✗
Create a VPC peering connection between the on-premises network and AWS VPC.
Why it's wrong here
VPC peering does not support on-premises networks.
- ✗
Use AWS Client VPN to connect from the application servers.
Why it's wrong here
Client VPN is for individual device connections, not persistent data center links.
- ✓
Establish an AWS Direct Connect connection between the on-premises data center and AWS.
Why this is correct
Direct Connect provides consistent low-latency and high-bandwidth connectivity.
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