SAP-C02 Practice Question: Accelerate Workload Migration and Modernization
This SAP-C02 practice question tests your understanding of accelerate workload migration and modernization. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A company is migrating a 5 TB Microsoft SQL Server database to Amazon RDS for SQL Server. The migration must have minimal downtime. The team uses AWS DMS with ongoing replication. During the full load, the task fails with an error indicating that the source server's transaction log is full. What should the team do to resolve this issue?
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 server's transaction log size and set the log retention to a higher value.
Option B is correct because the error indicates the source transaction log is full during the full load phase of AWS DMS. Increasing the transaction log size and setting a higher log retention value prevents the log from filling up while DMS reads it for ongoing replication. This allows the full load to complete without interruption, addressing the root cause directly.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Stop the DMS task, take a native backup of the source, restore it to RDS, and then start DMS with ongoing replication.
Why it's wrong here
This adds complexity and may lose changes during backup/restore.
✓
Increase the source server's transaction log size and set the log retention to a higher value.
Why this is correct
This gives DMS more time to capture changes without filling the log.
Related concept
Read the scenario before looking for a memorised answer.
✗
Pause the DMS task, create a larger source instance, and restart the task.
Why it's wrong here
Larger instance may not solve log full issue; DMS still needs log space.
✗
Switch the DMS task to use batch-optimized apply mode.
Why it's wrong here
Batch-optimized applies changes in batches; doesn't affect log capture.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may confuse the transaction log full error with a performance issue, leading them to choose options like resizing the instance or changing apply mode, rather than addressing the log space directly.
Detailed technical explanation
How to think about this question
AWS DMS reads the source transaction log (e.g., SQL Server transaction log) to capture ongoing changes during full load and CDC. If the log becomes full, DMS cannot read new log entries, causing the task to fail. Increasing the log size and retention (e.g., via sp_configure 'max size' or backup settings) ensures DMS has enough space to read changes without the log being truncated prematurely. In real-world scenarios, monitoring log space with DBCC SQLPERF(LOGSPACE) and setting appropriate growth increments prevents this issue.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Accelerate Workload Migration and Modernization — This question tests Accelerate Workload Migration and Modernization — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Increase the source server's transaction log size and set the log retention to a higher value. — Option B is correct because the error indicates the source transaction log is full during the full load phase of AWS DMS. Increasing the transaction log size and setting a higher log retention value prevents the log from filling up while DMS reads it for ongoing replication. This allows the full load to complete without interruption, addressing the root cause directly.
What should I do if I get this SAP-C02 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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