SAP-C02 Continuous Improvement for Existing Solutions Practice Question
A company runs a stateful web application on EC2 instances with EBS volumes. They want to improve resilience by distributing the workload across multiple Availability Zones. Which THREE steps should they take?
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 Amazon EFS for shared storage across AZs.
Correct answers are A, C, and D. Option A ensures data is available in multiple AZs. Option C distributes instances for high availability. Option D handles traffic distribution and health checks. Option B is wrong because EBS volumes cannot be attached cross-AZ. Option E is wrong because Read Replicas are for RDS, not EBS.
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 Amazon EFS for shared storage across AZs.
Why this is correct
EFS is a shared file system accessible from multiple AZs.
- ✗
Attach the same EBS volume to instances in different AZs.
Why it's wrong here
EBS volumes are AZ-specific.
- ✓
Place EC2 instances in an Auto Scaling group spanning multiple AZs.
Why this is correct
Auto Scaling across AZs ensures capacity in each AZ.
- ✓
Use an Application Load Balancer with targets in multiple AZs.
Why this is correct
ALB distributes traffic and performs health checks.
- ✗
Configure EBS Read Replicas in another AZ.
Why it's wrong here
EBS does not have Read Replicas.
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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.