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.
An organization uses AWS Elastic Beanstalk to manage a production web application. The application uses a custom AMI that needs to be updated periodically. The team wants to automate the process of updating the AMI and deploying it to the environment with zero downtime. Which THREE steps should the team include in the automation? (Choose THREE.)
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Build a new AMI using a tool like Packer and store it in EC2 Image Builder.
Options A, C, and E are correct. Option A creates a new AMI version. Option C updates the environment configuration with a rolling update to minimize downtime. Option E uses an immutable update for zero downtime. Option B is incorrect because terminating instances without a deployment strategy causes downtime. Option D is incorrect because deleting the environment is disruptive.
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.
✗
Delete the environment and recreate it with the new AMI.
Why it's wrong here
Deleting the environment causes downtime.
✓
Build a new AMI using a tool like Packer and store it in EC2 Image Builder.
Why this is correct
Packer or Image Builder can create updated AMIs.
Related concept
Static NAT maps one inside address to one outside address.
✓
Use Elastic Beanstalk's immutable update policy to replace instances with new ones.
Why this is correct
Immutable updates ensure zero downtime.
Related concept
Static NAT maps one inside address to one outside address.
✓
Update the Elastic Beanstalk environment configuration to use the new AMI ID.
Why this is correct
Updating the configuration triggers a deployment.
Related concept
Static NAT maps one inside address to one outside address.
✗
Terminate all existing instances and allow Auto Scaling to launch new ones with the new AMI.
Why it's wrong here
This would cause downtime.
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: Build a new AMI using a tool like Packer and store it in EC2 Image Builder. — Options A, C, and E are correct. Option A creates a new AMI version. Option C updates the environment configuration with a rolling update to minimize downtime. Option E uses an immutable update for zero downtime. Option B is incorrect because terminating instances without a deployment strategy causes downtime. Option D is incorrect because deleting the environment is disruptive.
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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