SAP-C02 Continuous Improvement for Existing Solutions Practice Question
A company is running a critical application on Amazon EC2 instances in an Auto Scaling group. The application stores data on an Amazon EBS volume. To improve recovery time in the event of an AZ failure, which TWO actions should the company take? (Choose two.)
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
✓
Create an Amazon Machine Image (AMI) from the instance.
Options A and E are correct. Creating an AMI from the instance (A) allows you to quickly launch a new instance in another AZ with the same configuration, improving recovery time. Configuring the Auto Scaling group to launch instances in multiple AZs (E) ensures that the application is already running in another AZ, minimizing downtime during an AZ failure. Option B is incorrect because EBS multi-attach is for attaching a volume to multiple instances in the same AZ, not for cross-AZ recovery. Option C is incorrect because you cannot directly copy an EBS volume to another AZ; you must create a snapshot and then create a volume in the target AZ within the same region. Option D is incorrect because copying snapshots to another region is designed for regional disasters, not for within-region AZ failures; for AZ failure, you would restore snapshots within the same region.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Create an Amazon Machine Image (AMI) from the instance.
Why this is correct
Creating an AMI provides a pre-configured instance template that can be launched in another AZ quickly, reducing recovery time.
- ✗
Use EBS multi-attach to attach the volume to instances in another AZ.
Why it's wrong here
EBS multi-attach allows attaching a volume to multiple instances but only within the same AZ, so it does not help with cross-AZ recovery.
- ✗
Copy the EBS volume to another AZ using the AWS Management Console.
Why it's wrong here
You cannot copy an EBS volume directly to another AZ; the proper method is to snapshot and restore within the same region.
- ✗
Take regular EBS snapshots and copy them to another region.
Why it's wrong here
Taking snapshots and copying them to another region is for regional disaster recovery, not for AZ failures. For AZ failures, snapshots should be kept within the same region.
- ✓
Configure the Auto Scaling group to launch instances in multiple AZs.
Why this is correct
Configuring the Auto Scaling group to launch instances in multiple AZs ensures that the application remains available across AZs, thereby improving recovery time during an AZ failure.
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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.