SAP-C02 Continuous Improvement for Existing Solutions Practice Question
A company is running a web application on Amazon EC2 instances behind an Application Load Balancer. The application experiences high latency during peak hours. The company wants to improve performance by enabling HTTP/2. What is the simplest way to achieve 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
✓
Enable HTTP/2 on the Application Load Balancer's HTTPS listener.
Enabling HTTP/2 on the Application Load Balancer's HTTPS listener is the simplest way to improve performance during peak hours because ALB natively supports HTTP/2 and can be configured directly in the listener settings without additional infrastructure. Option A is incorrect because configuring EC2 instances to support HTTP/2 does not affect the load balancer's protocol handling. Option B is incorrect because adding a CloudFront distribution in front of the ALB is more complex and does not leverage the ALB's built-in HTTP/2 support. Option D is incorrect because Network Load Balancers do not support HTTP/2; upgrading to NLB would not achieve the desired performance improvement.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Configure the EC2 instances to support HTTP/2.
Why it's wrong here
Configuring EC2 instances to support HTTP/2 does not enable HTTP/2 at the load balancer level; the ALB must be configured to use HTTP/2 on its listener.
- ✗
Place an Amazon CloudFront distribution in front of the ALB and enable HTTP/2.
Why it's wrong here
Placing CloudFront in front of the ALB adds complexity and cost without being necessary, as ALB already supports HTTP/2.
- ✓
Enable HTTP/2 on the Application Load Balancer's HTTPS listener.
Why this is correct
Enabling HTTP/2 on the ALB's HTTPS listener is the simplest and most direct way to utilize HTTP/2 for the application.
- ✗
Upgrade the load balancer to a Network Load Balancer.
Why it's wrong here
Network Load Balancers operate at layer 4 and do not support HTTP/2; upgrading would not solve the issue.
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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.