The answer is to use AWS Snowball Edge to transfer data to S3, then copy to Redshift. This approach is correct because a 1 Gbps network would take over 22 hours to transfer 10 TB, risking congestion and extended downtime, whereas Snowball Edge provides offline, physical shipping that bypasses bandwidth limitations entirely. On the AWS Certified Solutions Architect Professional SAP-C02 exam, this scenario tests your understanding of hybrid migration strategies for large-scale data warehouses, where network speed is the bottleneck—a common trap is assuming AWS DMS or S3 Transfer Acceleration can handle the initial load, but DMS is best for ongoing replication after the baseline is seeded, and Transfer Acceleration only speeds up S3 uploads, not the full pipeline. Remember the memory tip: “Snowball for the big ball—when the pipe is too small, ship the data instead.”
SAP-C02 Practice Question: Accelerate Workload Migration and Modernization
This SAP-C02 practice question tests your understanding of accelerate workload migration and modernization. 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 large-scale Oracle data warehouse to Amazon Redshift. The migration must minimize downtime. The source database is 10 TB and runs on a single on-premises server with 1 Gbps network. Which approach should be used for the initial data load?
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 the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use AWS Snowball Edge to transfer data to S3, then copy to Redshift.
Using AWS Snowball Edge devices for offline transfer avoids network bandwidth limitations and provides fast, secure transfer of large data volumes. Option A is wrong because 1 Gbps network would take over 22 hours and may cause congestion. Option B is wrong because DMS works for ongoing replication but initial load over network is slow. Option D is wrong because S3 Transfer Acceleration only speeds up S3 uploads, not the full pipeline.
Key principle: ACLs process entries top to bottom and stop at the first match. Entry order and interface direction matter as much as the permit or deny statement.
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 DMS to migrate data directly to Redshift over the network.
Why it's wrong here
Network speed is insufficient for 10 TB initial load.
✓
Use AWS Snowball Edge to transfer data to S3, then copy to Redshift.
Why this is correct
Offline transfer bypasses bandwidth constraints.
Clue confirmation
The clue word "minimum / minimize" in the question point toward this answer.
Related concept
Standard ACLs match source addresses.
✗
Use AWS DMS with ongoing replication after initial load via network.
Why it's wrong here
Initial load still limited by network.
✗
Use S3 Transfer Acceleration to upload data to S3, then COPY to Redshift.
Why it's wrong here
Still limited by last-mile upload speed.
Common exam traps
Common exam trap: ACLs stop at the first match
ACLs are processed top to bottom. The first matching entry wins, and an implicit deny usually exists at the end.
Detailed technical explanation
How to think about this question
ACL questions test precision: source, destination, protocol, port and direction. A generally correct ACL can still fail if it is applied on the wrong interface or in the wrong direction.
KKey Concepts to Remember
Standard ACLs match source addresses.
Extended ACLs can match source, destination, protocol and ports.
The first matching ACL entry is used.
There is usually an implicit deny at the end.
TExam Day Tips
→Check inbound versus outbound direction.
→Read the ACL from top to bottom.
→Look for a broader permit or deny above the intended line.
Key takeaway
ACLs process entries top to bottom and stop at the first match. Entry order and interface direction matter as much as the permit or deny statement.
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.
Review ACL processing order, placement rules (standard near destination, extended near source), and inbound vs outbound direction. Study wildcard masks and implicit deny. Then practise related SAP-C02 ACL questions on filtering logic and placement.
Accelerate Workload Migration and Modernization — This question tests Accelerate Workload Migration and Modernization — Standard ACLs match source addresses..
What is the correct answer to this question?
The correct answer is: Use AWS Snowball Edge to transfer data to S3, then copy to Redshift. — Using AWS Snowball Edge devices for offline transfer avoids network bandwidth limitations and provides fast, secure transfer of large data volumes. Option A is wrong because 1 Gbps network would take over 22 hours and may cause congestion. Option B is wrong because DMS works for ongoing replication but initial load over network is slow. Option D is wrong because S3 Transfer Acceleration only speeds up S3 uploads, not the full pipeline.
What should I do if I get this SAP-C02 question wrong?
Review ACL processing order, placement rules (standard near destination, extended near source), and inbound vs outbound direction. Study wildcard masks and implicit deny. Then practise related SAP-C02 ACL questions on filtering logic and placement.
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?
Standard ACLs match source addresses.
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