The answer is to use the 'yum' module with state=latest, the 'command' module to run 'yum update -y', and the 'package' module to update all packages. These three steps are correct because Ansible's idempotent 'yum' module ensures all installed RPM packages are upgraded to their latest available versions, while the 'command' module provides a direct shell-level execution for environments where the native module may not suffice, and the 'package' module abstracts the package manager for cross-distro compatibility. On the AWS Certified DevOps Engineer Professional DOP-C02 exam, this scenario tests your understanding of configuration management for EC2 patching, often appearing as a trap where candidates confuse service management or file copying with package updates. A common pitfall is selecting the 'service' module for restarting services after patching, but the question specifically asks for patching steps, not post-patch actions. Memory tip: think "Yum, Command, Package" as the three pillars of patching—avoid "Service" and "Copy" because they manage processes and files, not packages.
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 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'
Options A, B, and D are correct. A: Using the 'yum' module to update packages. B: Using the 'command' module to run 'yum update -y'. D: Using the 'package' module to update all packages. Option C is wrong because the 'service' module is for managing services, not patching. Option E is wrong because 'copy' is for files, not package updates.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
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
Static NAT maps one inside address to one outside address.
✗
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
Static NAT maps one inside address to one outside address.
✓
Use the 'yum' module with state=latest
Why this is correct
This updates all installed packages to the latest version.
Related concept
Static NAT maps one inside address to one outside address.
Common exam traps
Common exam trap: NAT rules depend on direction and matching traffic
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Detailed technical explanation
How to think about this question
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
KKey Concepts to Remember
Static NAT maps one inside address to one outside address.
PAT allows many inside hosts to share one public address using ports.
Inside local and inside global describe the private and translated addresses.
NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
→Identify inside and outside interfaces first.
→Check whether the scenario needs static NAT, dynamic NAT or PAT.
→Do not confuse NAT matching ACLs with normal packet-filtering intent.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
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. NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated. 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.
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related DOP-C02 NAT questions on configuration and troubleshooting.
Configuration Management and IaC — This question tests Configuration Management and IaC — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: Use the 'command' module to run 'yum update -y' — Options A, B, and D are correct. A: Using the 'yum' module to update packages. B: Using the 'command' module to run 'yum update -y'. D: Using the 'package' module to update all packages. Option C is wrong because the 'service' module is for managing services, not patching. Option E is wrong because 'copy' is for files, not package updates.
What should I do if I get this DOP-C02 question wrong?
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related DOP-C02 NAT questions on configuration and troubleshooting.
What is the key concept behind this question?
Static NAT maps one inside address to one outside address.
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Question Discussion
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