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 migration engineer is setting up an AWS DMS task to migrate data from an on-premises Oracle database to Amazon RDS for PostgreSQL. The engineer attaches this IAM policy to the DMS service role. The DMS task fails with an error indicating insufficient privileges. What is the most likely cause?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The policy does not allow the dms:CreateEndpoint action
DMS needs permission to describe endpoints and test connections, which are not in the policy. The policy allows creating and starting tasks but not the prerequisite actions like creating endpoints. S3 access is correct if using S3 as a source/target, but the core issue is missing endpoint permissions.
Key principle: Authentication proves identity; authorization controls what that identity can do after login. Both must work for full privileged access.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
The policy does not allow the s3:ListBucket action for the S3 bucket
Why it's wrong here
ListBucket may be needed but the error is about insufficient privileges, likely missing endpoint permissions.
✗
The policy does not allow the dms:TestConnection action
Why it's wrong here
TestConnection is needed, but the more fundamental issue is missing CreateEndpoint.
✓
The policy does not allow the dms:CreateEndpoint action
Why this is correct
Correct. DMS needs permissions to create and describe endpoints for the source and target.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Authentication checks who the user is.
✗
The policy does not allow the rds:ModifyDBInstance action
Why it's wrong here
ModifyDBInstance is not required for DMS task execution.
Common exam traps
Common exam trap: authentication is not authorization
Logging in proves the user can authenticate. It does not automatically mean the user is allowed to enter privileged or configuration mode. Watch for AAA authorization, privilege level and command authorization details.
Detailed technical explanation
How to think about this question
This kind of question is testing the difference between identity and permission. A user may successfully log in to a router because authentication is working, but still fail to enter configuration mode because authorization is missing, misconfigured or mapped to a lower privilege level.
KKey Concepts to Remember
Authentication checks who the user is.
Authorization controls what the user is allowed to do after login.
Privilege levels affect access to EXEC and configuration commands.
AAA, TACACS+ and RADIUS can separate login success from command access.
TExam Day Tips
→Do not assume successful login means full administrative access.
→Look for words such as cannot enter configuration mode, privilege level, authorization or command access.
→Separate login problems from permission problems before choosing the answer.
Key takeaway
Authentication proves identity; authorization controls what that identity can do after login. Both must work for full privileged access.
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 Cisco AAA concepts — authentication, authorization, and accounting. Study privilege levels (0–15), command authorization under TACACS+, and how RADIUS differs. Then practise related SAP-C02 questions on access control and AAA configuration.
Accelerate Workload Migration and Modernization — This question tests Accelerate Workload Migration and Modernization — Authentication checks who the user is..
What is the correct answer to this question?
The correct answer is: The policy does not allow the dms:CreateEndpoint action — DMS needs permission to describe endpoints and test connections, which are not in the policy. The policy allows creating and starting tasks but not the prerequisite actions like creating endpoints. S3 access is correct if using S3 as a source/target, but the core issue is missing endpoint permissions.
What should I do if I get this SAP-C02 question wrong?
Review Cisco AAA concepts — authentication, authorization, and accounting. Study privilege levels (0–15), command authorization under TACACS+, and how RADIUS differs. Then practise related SAP-C02 questions on access control and AAA configuration.
Are there clue words in this question I should notice?
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
What is the key concept behind this question?
Authentication checks who the user is.
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Question Discussion
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