- A
Use the 'service' module to restart services after patching
Why wrong: This is not a patching step; it's a post-patching step.
- B
Use the 'command' module to run 'yum update -y'
This is a valid way to update packages.
- C
Use the 'copy' module to download patch files
Why wrong: Copy is not for updating packages.
- D
Use the 'package' module with state=latest
The 'package' module is a generic module that works across distributions.
- E
Use the 'yum' module with state=latest
This updates all installed packages to the latest version.
Question 1,120 of 1,750
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 DevOps team uses Ansible for configuration management of EC2 instances. They want to ensure that the latest security patches are applied to all instances. Which THREE steps should they include in their Ansible playbook? (Choose THREE.)
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 the 'command' module to run 'yum update -y'
Option B is correct because the 'command' module can run arbitrary shell commands like 'yum update -y' to apply all available package updates. However, it is not idempotent, meaning it will run the update every time the playbook executes, even if no updates are available. For production use, the 'yum' or 'package' module with state=latest is preferred for idempotency.
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 the 'service' module to restart services after patching
Why it's wrong here
This is not a patching step; it's a post-patching step.
- ✓
Use the 'command' module to run 'yum update -y'
Why this is correct
This is a valid way to update packages.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Use the 'copy' module to download patch files
Why it's wrong here
Copy is not for updating packages.
- ✓
Use the 'package' module with state=latest
Why this is correct
The 'package' module is a generic module that works across distributions.
Related concept
Read the scenario before looking for a memorised answer.
- ✓
Use the 'yum' module with state=latest
Why this is correct
This updates all installed packages to the latest version.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may think the 'command' module is the only way to run yum updates, overlooking the idempotent 'yum' or 'package' modules that are more appropriate for configuration management.
Detailed technical explanation
How to think about this question
The 'yum' module with state=latest ensures idempotent updates by checking the current package version against the repository and only upgrading if a newer version exists. Under the hood, Ansible uses the yum Python bindings (or the yum command) to query the RPM database and repository metadata, avoiding unnecessary network calls when packages are already up-to-date. In contrast, the 'command' module runs 'yum update -y' unconditionally, which can cause unnecessary load and longer execution times.
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 cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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Configuration Management and IaC — study guide chapter
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FAQ
Questions learners often ask
What does this DOP-C02 question test?
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: Use the 'command' module to run 'yum update -y' — Option B is correct because the 'command' module can run arbitrary shell commands like 'yum update -y' to apply all available package updates. However, it is not idempotent, meaning it will run the update every time the playbook executes, even if no updates are available. For production use, the 'yum' or 'package' module with state=latest is preferred for idempotency.
What should I do if I get this DOP-C02 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.
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Last reviewed: Jul 4, 2026
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