PAS-C01 Migration Practice Question
During the migration of an SAP HANA database to AWS, the migration team encounters high latency on the database connections. The team is using AWS Direct Connect. Which configuration change can help reduce latency?
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
✓
Enable jumbo frames on the Direct Connect interface
Enabling jumbo frames reduces overhead by allowing larger packets, which can improve latency for large data transfers. Option B is incorrect because a VPN connection adds encapsulation overhead and can increase latency. Option C is incorrect because increasing bandwidth increases throughput but does not reduce latency; latency is affected by packet size and network path. Option D is incorrect because placing EC2 instances in the same Availability Zone reduces physical distance but does not guarantee reduced latency if the network path is not optimized.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Enable jumbo frames on the Direct Connect interface
Why this is correct
Enabling jumbo frames allows larger packets, reducing the number of packets and overhead, which can reduce latency for large transfers like SAP HANA.
- ✗
Switch from Direct Connect to a VPN connection
Why it's wrong here
Switching to a VPN introduces encryption overhead and additional latency, worsening the issue.
- ✗
Increase the bandwidth of the Direct Connect connection
Why it's wrong here
Increasing bandwidth improves throughput but does not reduce latency; it may not help with high-latency connections.
- ✗
Place the EC2 instances in the same Availability Zone
Why it's wrong here
Placing instances in the same AZ reduces network hops but does not address the underlying packet overhead issue.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This PAS-C01 practice question is part of Courseiva's free Amazon Web Services certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the PAS-C01 exam.