- A
Modify the instance type in the Elastic Beanstalk environment's configuration.
Changing the instance type triggers a rolling update with minimal downtime.
- B
Terminate the environment and create a new one with the desired instance type.
Why wrong: This causes complete downtime.
- C
Create a new environment and perform a swap URL.
Why wrong: This is for blue/green deployments, not for changing instance type in the same environment.
- D
Manually modify the Auto Scaling group's launch configuration.
Why wrong: Elastic Beanstalk manages the Auto Scaling group; manual modifications may be overwritten.
Question 1,252 of 1,546
SOA-C02 Deployment, Provisioning, and Automation Practice Question
This SOA-C02 practice question tests your understanding of deployment, provisioning, and automation. 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 Elastic Beanstalk to deploy a web application. The environment is running low on memory, and the administrator needs to change the instance type from t2.micro to t3.small. What is the correct way to perform this change with minimal downtime?
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
✓
Modify the instance type in the Elastic Beanstalk environment's configuration.
Modifying the instance type in the Elastic Beanstalk environment's configuration triggers a rolling update or immutable update, which replaces instances with the new type while keeping the environment running. This approach minimizes downtime because Elastic Beanstalk manages the instance replacement process automatically, ensuring that traffic continues to be served during the transition.
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.
- ✓
Modify the instance type in the Elastic Beanstalk environment's configuration.
Why this is correct
Changing the instance type triggers a rolling update with minimal downtime.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Terminate the environment and create a new one with the desired instance type.
Why it's wrong here
This causes complete downtime.
- ✗
Create a new environment and perform a swap URL.
Why it's wrong here
This is for blue/green deployments, not for changing instance type in the same environment.
- ✗
Manually modify the Auto Scaling group's launch configuration.
Why it's wrong here
Elastic Beanstalk manages the Auto Scaling group; manual modifications may be overwritten.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often think manual changes to the Auto Scaling group (Option D) are acceptable, but Elastic Beanstalk treats such manual modifications as configuration drift, which can cause the environment to become out of sync and fail subsequent managed updates.
Detailed technical explanation
How to think about this question
Elastic Beanstalk uses the 'Change instance type' configuration option to update the Auto Scaling group's launch template and then performs a rolling update based on the environment's 'Rolling update type' setting (e.g., 'Rolling based on Health' or 'Immutable'). During an immutable update, Elastic Beanstalk launches a new Auto Scaling group with the desired instance type, swaps the load balancer target group, and then terminates the old instances, achieving near-zero downtime. The underlying mechanism leverages AWS CloudFormation to manage the stack updates, ensuring that the environment's health checks and DNS routing are maintained throughout the process.
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.
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FAQ
Questions learners often ask
What does this SOA-C02 question test?
Deployment, Provisioning, and Automation — This question tests Deployment, Provisioning, and Automation — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Modify the instance type in the Elastic Beanstalk environment's configuration. — Modifying the instance type in the Elastic Beanstalk environment's configuration triggers a rolling update or immutable update, which replaces instances with the new type while keeping the environment running. This approach minimizes downtime because Elastic Beanstalk manages the instance replacement process automatically, ensuring that traffic continues to be served during the transition.
What should I do if I get this SOA-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.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
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Last reviewed: Jul 4, 2026
This SOA-C02 practice question is part of Courseiva's free Amazon Web Services certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the SOA-C02 exam.
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