SAP-C02 Continuous Improvement for Existing Solutions Practice Question
A company uses AWS Elastic Beanstalk to deploy a web application. They want to update the environment's configuration to use a larger instance type without any downtime. Which update policy supports this?
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
✓
Rolling
(Rolling) is correct because Rolling update with batch size updates instances in batches, keeping the environment running and avoiding downtime. Option A is wrong because All at once replaces all instances simultaneously, causing downtime. Option B is wrong because Blue/Green is not a built-in Elastic Beanstalk update policy; it's a manual approach. Option C is wrong because Immutable update launches new instances in a separate ASG and then swaps, which causes a brief downtime during the swap.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
All at once
Why it's wrong here
All at once replaces all instances simultaneously, causing downtime.
- ✗
Blue/Green
Why it's wrong here
Blue/Green is not a built-in Elastic Beanstalk update policy; it is typically a manual deployment strategy.
- ✗
Immutable
Why it's wrong here
Immutable update launches new instances in a separate Auto Scaling group and then swaps, causing a brief downtime during the swap.
- ✓
Rolling
Why this is correct
Rolling update updates instances in batches, ensuring the environment remains available throughout the process.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This SAP-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 SAP-C02 exam.