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Accelerate Workload Migration and Modernization →hardMultiple ChoiceObjective-mapped

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 10 TB Oracle database to Amazon RDS for Oracle. The migration must have minimal downtime. The source database is running on-premises with limited bandwidth (50 Mbps). Which strategy should be used?

A
Use AWS Snowball to transfer a full backup, then manually apply transaction logs.
Why wrong: Snowball is offline and cannot capture ongoing changes, leading to more downtime.
B
Set up a VPN connection and use Oracle GoldenGate for replication.
Why wrong: While GoldenGate can work, AWS recommends DMS as a managed service with lower overhead.
C
Use AWS Database Migration Service (DMS) with a full load and ongoing change data capture (CDC).
DMS with CDC allows minimal downtime by replicating changes after initial load.
D
Export the database to flat files, upload to Amazon S3, and import into RDS.
Why wrong: This requires significant downtime to export and import.

Full breakdown with real-world context →

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

✓

Use AWS Database Migration Service (DMS) with a full load and ongoing change data capture (CDC).

The correct answer is C. AWS Database Migration Service (DMS) with a full load and ongoing change data capture (CDC) minimizes downtime by continuously replicating changes from the source Oracle database to Amazon RDS for Oracle during the full load. After the full load completes, changes are applied to keep the target in sync, allowing a very brief cutover window. Over a 50 Mbps link, the initial 10 TB full load may take days, but CDC ensures minimal downtime at cutover. Option A (Snowball) is an offline method that requires exporting, shipping, and importing the database, which introduces significant downtime. Option B (Oracle GoldenGate) is a valid replication tool but adds complexity and cost; DMS is a managed service better integrated with AWS. Option D (export to flat files and import) requires taking the database offline for the export and import, causing substantial downtime.

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 Snowball to transfer a full backup, then manually apply transaction logs.
Why it's wrong here
Snowball is offline and cannot capture ongoing changes, leading to more downtime.
✗
Set up a VPN connection and use Oracle GoldenGate for replication.
Why it's wrong here
While GoldenGate can work, AWS recommends DMS as a managed service with lower overhead.
✓
Use AWS Database Migration Service (DMS) with a full load and ongoing change data capture (CDC).
Why this is correct
DMS with CDC allows minimal downtime by replicating changes after initial load.
Related concept
Standard ACLs match source addresses.
✗
Export the database to flat files, upload to Amazon S3, and import into RDS.
Why it's wrong here
This requires significant downtime to export and import.

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 startup's cloud architect reviews their monthly bill and notices costs are higher than expected for a long-running batch job. Switching from on-demand instances to Reserved Instances — or using Spot/Preemptible VMs — can reduce compute costs by up to 72 %. Questions like this test whether you understand the tradeoffs between commitment, flexibility, and cost across cloud pricing models.

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.

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FAQ

Questions learners often ask

What does this SAP-C02 question test?

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 Database Migration Service (DMS) with a full load and ongoing change data capture (CDC). — The correct answer is C. AWS Database Migration Service (DMS) with a full load and ongoing change data capture (CDC) minimizes downtime by continuously replicating changes from the source Oracle database to Amazon RDS for Oracle during the full load. After the full load completes, changes are applied to keep the target in sync, allowing a very brief cutover window. Over a 50 Mbps link, the initial 10 TB full load may take days, but CDC ensures minimal downtime at cutover. Option A (Snowball) is an offline method that requires exporting, shipping, and importing the database, which introduces significant downtime. Option B (Oracle GoldenGate) is a valid replication tool but adds complexity and cost; DMS is a managed service better integrated with AWS. Option D (export to flat files and import) requires taking the database offline for the export and import, causing substantial downtime.

What should I do if I get this SAP-C02 question wrong?

What is the key concept behind this question?

Standard ACLs match source addresses.

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