- A
Use the Elastic Beanstalk console to modify the launch configuration's AMI ID
Why wrong: Using the Elastic Beanstalk console to modify the launch configuration's AMI ID is not reliable because the console may not expose the AMI ID directly, and changes may not persist if the environment is updated later. This approach is not recommended.
- B
Create a new Elastic Beanstalk environment with the new AMI and swap the environment URL
Why wrong: Creating a new environment and swapping URLs is a valid blue/green deployment strategy, but it is not the most efficient for a simple AMI update, as it requires provisioning a full new environment and incurs additional cost and complexity.
- C
Use the AWS CLI command aws elasticbeanstalk update-environment with the new AMI ID
Correct. The AWS CLI command 'aws elasticbeanstalk update-environment' with the appropriate option settings (e.g., --option-settings Namespace=aws:autoscaling:launchconfiguration,OptionName=ImageId,Value=ami-xxxxx) updates the AMI efficiently and triggers a rolling update.
- D
Update the CloudFormation template that manages the environment to reference the new AMI ID, and perform a stack update
Why wrong: Updating the CloudFormation template that manages the environment is not a supported method. Elastic Beanstalk owns the CloudFormation stack, and manual modifications can lead to drift or stack update failures. This approach is not recommended.
DOP-C02 Elastic Beanstalk environment configuration 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. A key principle to apply: elastic Beanstalk environment configuration. 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 Elastic Beanstalk to deploy a web application. The application requires a custom Amazon Machine Image (AMI) for its EC2 instances. The DevOps team updates the AMI monthly. What is the most efficient way to update the Elastic Beanstalk environment to use the new AMI?
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 AWS CLI command aws elasticbeanstalk update-environment with the new AMI ID
Option C is correct because you can update the AMI in an existing Elastic Beanstalk environment using the AWS CLI command 'aws elasticbeanstalk update-environment' with the appropriate option settings. Specifically, you specify the AMI ID in the 'aws:autoscaling:launchconfiguration' namespace using the 'ImageId' option name. This triggers a rolling update, replacing EC2 instances with the new AMI while preserving the environment configuration, DNS name, and other resources. This is the most efficient method as it avoids creating a new environment or manually modifying CloudFormation stacks, which is not supported.
Key principle: Elastic Beanstalk environment configuration
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 Elastic Beanstalk console to modify the launch configuration's AMI ID
Why it's wrong here
Using the Elastic Beanstalk console to modify the launch configuration's AMI ID is not reliable because the console may not expose the AMI ID directly, and changes may not persist if the environment is updated later. This approach is not recommended.
- ✗
Create a new Elastic Beanstalk environment with the new AMI and swap the environment URL
Why it's wrong here
Creating a new environment and swapping URLs is a valid blue/green deployment strategy, but it is not the most efficient for a simple AMI update, as it requires provisioning a full new environment and incurs additional cost and complexity.
- ✓
Use the AWS CLI command aws elasticbeanstalk update-environment with the new AMI ID
Why this is correct
Correct. The AWS CLI command 'aws elasticbeanstalk update-environment' with the appropriate option settings (e.g., --option-settings Namespace=aws:autoscaling:launchconfiguration,OptionName=ImageId,Value=ami-xxxxx) updates the AMI efficiently and triggers a rolling update.
Related concept
Elastic Beanstalk environment configuration
- ✗
Update the CloudFormation template that manages the environment to reference the new AMI ID, and perform a stack update
Why it's wrong here
Updating the CloudFormation template that manages the environment is not a supported method. Elastic Beanstalk owns the CloudFormation stack, and manual modifications can lead to drift or stack update failures. This approach is not recommended.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Candidates may think they can directly update the AMI via the Elastic Beanstalk console or the `aws elasticbeanstalk update-environment` command with just the AMI ID. However, the console does not allow changing the AMI of an existing environment directly; you must use a configuration file (.ebextensions) or update the underlying CloudFormation stack. The CLI command requires specifying option settings (e.g., `aws elasticbeanstalk update-environment --option-settings`), not just the AMI ID. Option D is efficient because updating the CloudFormation template triggers a rolling update without creating a new environment.
Detailed technical explanation
How to think about this question
Under the hood, Elastic Beanstalk uses CloudFormation to manage the underlying resources, including Auto Scaling groups and launch configurations or launch templates. When you update the CloudFormation template to reference a new AMI ID and perform a stack update, Elastic Beanstalk triggers an instance replacement based on the update policy (e.g., rolling, rolling with batch, or immutable), ensuring minimal downtime. A subtle behavior is that if you use a custom AMI, you must also ensure the AMI is in the same region and that the instance profile has permissions to launch it; otherwise, the stack update will fail.
KKey Concepts to Remember
- Elastic Beanstalk environment configuration
- update-environment CLI command
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
Elastic Beanstalk environment configuration
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. Elastic Beanstalk environment configuration 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 elastic Beanstalk environment configuration, then practise related DOP-C02 questions on the same topic to reinforce the concept.
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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 — Elastic Beanstalk environment configuration.
What is the correct answer to this question?
The correct answer is: Use the AWS CLI command aws elasticbeanstalk update-environment with the new AMI ID — Option C is correct because you can update the AMI in an existing Elastic Beanstalk environment using the AWS CLI command 'aws elasticbeanstalk update-environment' with the appropriate option settings. Specifically, you specify the AMI ID in the 'aws:autoscaling:launchconfiguration' namespace using the 'ImageId' option name. This triggers a rolling update, replacing EC2 instances with the new AMI while preserving the environment configuration, DNS name, and other resources. This is the most efficient method as it avoids creating a new environment or manually modifying CloudFormation stacks, which is not supported.
What should I do if I get this DOP-C02 question wrong?
Review elastic Beanstalk environment configuration, then practise related DOP-C02 questions on the same topic to reinforce the concept.
What is the key concept behind this question?
Elastic Beanstalk environment configuration
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Last reviewed: Jun 24, 2026
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