PAS-C01 Migration Practice Question
A company is migrating an SAP Business Suite system to AWS. They are using AWS DMS to replicate data from the on-premises SAP ASE database to Amazon RDS for SAP ASE. After the initial load, the ongoing replication shows a latency of several hours. The source database is heavily used. Which action should the migration team take to reduce replication 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
✓
Increase the source database transaction log size and enable log compression
Increasing instance size may help but does not address the root cause of log space. Option B is incorrect because disabling transaction logging is not feasible for a production database and would break replication. Option C is correct because increasing the source database's transaction log size and enabling log compression reduces log waits and helps DMS keep up with changes. Option D is incorrect because using multiple tasks may cause conflicts and is not a direct solution for latency caused by log retention issues.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Increase the size of the DMS replication instance
Why it's wrong here
Instance size may not be the bottleneck; log availability is.
- ✗
Disable transaction logging on the source database
Why it's wrong here
Disabling logging is not possible for replication and risky.
- ✓
Increase the source database transaction log size and enable log compression
Why this is correct
Larger log files and compression reduce log waits and improve replication throughput.
- ✗
Use multiple DMS tasks for parallel replication
Why it's wrong here
Parallel tasks may cause conflicts and overhead.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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