DOP-C02 Configuration Management and IaC Practice Question
This DOP-C02 practice question tests your understanding of configuration management and iac. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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 uses AWS Systems Manager to manage a fleet of EC2 instances. They need to run a custom script on all instances every time the instance is started. The script is stored in an S3 bucket. Which approach ensures the script runs automatically on every instance start with minimal administrative overhead?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Create a State Manager association with the AWS-RunDocument document, targeting the instances, and set the schedule to 'On Instance Start'.
Associating a State Manager association with the AWS-RunDocument document and targeting the instances ensures the script runs on every instance start. Option A is correct because State Manager can be configured to run on instance start. Options B, C, and D are either manual or not triggered automatically on start.
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.
✓
Create a State Manager association with the AWS-RunDocument document, targeting the instances, and set the schedule to 'On Instance Start'.
Why this is correct
State Manager can be configured to run a document on instance start automatically.
Related concept
Read the scenario before looking for a memorised answer.
✗
Place the script in /etc/rc.local on a custom AMI.
Why it's wrong here
Custom AMI requires rebuilding and is less flexible than a Systems Manager association.
✗
Use AWS Config rules to invoke a Lambda function that runs the script.
Why it's wrong here
AWS Config evaluates configuration changes, but is not designed to run scripts on instance start.
✗
Create an EC2 launch template that includes the script in user data.
Why it's wrong here
User data runs only at first launch, not on subsequent starts.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
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.
Use explanations to understand the rule behind the answer.
TExam Day Tips
→Underline the problem statement mentally.
→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 DOP-C02 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Configuration Management and IaC — This question tests Configuration Management and IaC — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Create a State Manager association with the AWS-RunDocument document, targeting the instances, and set the schedule to 'On Instance Start'. — Associating a State Manager association with the AWS-RunDocument document and targeting the instances ensures the script runs on every instance start. Option A is correct because State Manager can be configured to run on instance start. Options B, C, and D are either manual or not triggered automatically on start.
What should I do if I get this DOP-C02 question wrong?
Identify which DOP-C02 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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