- A
Use AWS Snowball to physically ship the dump files to AWS.
Why wrong: Snowball is for large data volumes (petabytes) and introduces shipping delays.
- B
Use AWS DMS to migrate the data directly from Oracle to RDS for Oracle.
Why wrong: The question specifies using Data Pump, not DMS.
- C
Upload the dump files to Amazon S3 and then import them into RDS for Oracle using Oracle Data Pump.
S3 provides scalable storage and fast upload; RDS can read from S3 for import.
- D
Transfer the dump files over a VPN connection to an EC2 instance and then copy to RDS.
Why wrong: VPN may have limited bandwidth; copying via EC2 adds unnecessary steps.
Question 1,338 of 1,730
DBS-C01 Deployment and Migration Practice Question
This DBS-C01 practice question tests your understanding of deployment and migration. 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 a 3 TB Oracle database to Amazon RDS for Oracle. They want to use Oracle Data Pump to export the data and then import it into RDS. What is the most efficient way to transfer the dump files to AWS?
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
✓
Upload the dump files to Amazon S3 and then import them into RDS for Oracle using Oracle Data Pump.
Option C is correct because uploading Oracle Data Pump dump files to Amazon S3 and then importing them into Amazon RDS for Oracle using the DBMS_DATAPUMP API is the most efficient method for transferring large dump files. This approach leverages S3 for scalable, durable storage and high-throughput transfer, avoiding network bottlenecks or physical shipping delays. The RDS for Oracle instance can directly access the S3 bucket via an IAM role, enabling a seamless import process.
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.
- ✗
Use AWS Snowball to physically ship the dump files to AWS.
Why it's wrong here
Snowball is for large data volumes (petabytes) and introduces shipping delays.
- ✗
Use AWS DMS to migrate the data directly from Oracle to RDS for Oracle.
Why it's wrong here
The question specifies using Data Pump, not DMS.
- ✓
Upload the dump files to Amazon S3 and then import them into RDS for Oracle using Oracle Data Pump.
Why this is correct
S3 provides scalable storage and fast upload; RDS can read from S3 for import.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Transfer the dump files over a VPN connection to an EC2 instance and then copy to RDS.
Why it's wrong here
VPN may have limited bandwidth; copying via EC2 adds unnecessary steps.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may assume AWS Snowball is always the best choice for large data transfers, but for 3 TB with available network bandwidth, direct S3 upload is more efficient and avoids physical shipping delays.
Detailed technical explanation
How to think about this question
Oracle Data Pump dump files are binary export files that can be stored in Amazon S3 and imported into RDS for Oracle using the rdsadmin.rdsadmin_util.create_directory procedure to map an S3 bucket as a directory object. The import uses the DBMS_DATAPUMP API with a directory pointing to S3, leveraging multipart upload for large files and enabling resumable transfers. For databases over 1 TB, using S3 Transfer Acceleration or AWS Direct Connect can further optimize upload speeds, making this approach faster than physical shipping or multi-hop network paths.
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.
Quick reference
AWS S3 Storage Class Comparison
| Storage Class | Min Duration | Retrieval | Use Case |
|---|---|---|---|
| S3 Standard | None | Immediate | Frequently accessed data |
| S3 Standard-IA | 30 days | Immediate | Infrequent access, rapid retrieval |
| S3 One Zone-IA | 30 days | Immediate | Non-critical infrequent data |
| S3 Intelligent-Tiering | None | Immediate–hours | Unknown or changing access patterns |
| S3 Glacier Instant | 90 days | Milliseconds | Archive with instant retrieval |
| S3 Glacier Flexible | 90 days | Minutes–hours | Archive, flexible retrieval |
| S3 Glacier Deep Archive | 180 days | Hours | Long-term compliance archive |
What to study next
Got this wrong? Here's your next step.
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FAQ
Questions learners often ask
What does this DBS-C01 question test?
Deployment and Migration — This question tests Deployment and Migration — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Upload the dump files to Amazon S3 and then import them into RDS for Oracle using Oracle Data Pump. — Option C is correct because uploading Oracle Data Pump dump files to Amazon S3 and then importing them into Amazon RDS for Oracle using the DBMS_DATAPUMP API is the most efficient method for transferring large dump files. This approach leverages S3 for scalable, durable storage and high-throughput transfer, avoiding network bottlenecks or physical shipping delays. The RDS for Oracle instance can directly access the S3 bucket via an IAM role, enabling a seamless import process.
What should I do if I get this DBS-C01 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.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
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Last reviewed: Jul 4, 2026
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