- A
AWS Snowball Edge
Why wrong: Snowball is for offline data transfer, not minimal downtime replication.
- B
AWS Database Migration Service (DMS)
AWS DMS supports ongoing replication to minimize downtime during migration.
- C
AWS CloudEndure Migration
Why wrong: CloudEndure is for server migration, not optimized for database replication.
- D
Amazon S3 Transfer Acceleration
Why wrong: S3 Transfer Acceleration speeds up uploads to S3, not database migration.
Question 1,069 of 1,733
PAS-C01 Technology Practice Question
This PAS-C01 practice question tests your understanding of technology. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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 its on-premises SAP landscape to AWS. The SAP system uses Oracle Database. The migration must minimize downtime. Which AWS service should be used for the database migration?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"minimum / minimize"Why it matters: Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.
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
✓
AWS Database Migration Service (DMS)
AWS Database Migration Service (DMS) is the correct choice because it supports ongoing replication from Oracle to a target database (e.g., Amazon RDS for Oracle or Amazon Aurora) with minimal downtime. DMS can perform a full load followed by continuous change data capture (CDC) using Oracle LogMiner or binary reader to keep the source and target synchronized until cutover.
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.
- ✗
AWS Snowball Edge
Why it's wrong here
Snowball is for offline data transfer, not minimal downtime replication.
- ✓
AWS Database Migration Service (DMS)
Why this is correct
AWS DMS supports ongoing replication to minimize downtime during migration.
Clue confirmation
The clue word "minimum / minimize" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
AWS CloudEndure Migration
Why it's wrong here
CloudEndure is for server migration, not optimized for database replication.
- ✗
Amazon S3 Transfer Acceleration
Why it's wrong here
S3 Transfer Acceleration speeds up uploads to S3, not database migration.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse AWS DMS with general-purpose migration tools like CloudEndure or Snowball, not realizing that DMS is the only service purpose-built for live database migrations with minimal downtime via CDC.
Detailed technical explanation
How to think about this question
AWS DMS for Oracle uses Oracle LogMiner or the binary reader API to capture changes from the redo logs, enabling near-real-time replication with sub-second latency. During the full load phase, DMS creates target tables and loads data in parallel, then switches to CDC mode to apply ongoing transactions. A key subtlety is that DMS requires supplemental logging to be enabled on the Oracle source to capture all changes, and it supports both homogeneous (Oracle-to-Oracle) and heterogeneous (Oracle-to-Aurora) migrations.
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 media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
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.
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FAQ
Questions learners often ask
What does this PAS-C01 question test?
Technology — This question tests Technology — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: AWS Database Migration Service (DMS) — AWS Database Migration Service (DMS) is the correct choice because it supports ongoing replication from Oracle to a target database (e.g., Amazon RDS for Oracle or Amazon Aurora) with minimal downtime. DMS can perform a full load followed by continuous change data capture (CDC) using Oracle LogMiner or binary reader to keep the source and target synchronized until cutover.
What should I do if I get this PAS-C01 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "minimum / minimize". Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jul 4, 2026
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.
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