CV0-004 Cloud Architecture and Design Practice Question
A company deploys a stateless web application across two AWS Availability Zones behind a load balancer. This design primarily improves which characteristic?
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
✓
High availability
Deploying across multiple AZs with a load balancer increases availability by eliminating single points of failure.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Cost efficiency
Why it's wrong here
Running in multiple AZs typically increases cost.
- ✓
High availability
Why this is correct
Availability Zones provide fault isolation, and load balancing distributes traffic, ensuring high availability.
- ✗
Scalability
Why it's wrong here
While it can aid scaling, primary benefit is high availability.
- ✗
Security
Why it's wrong here
Multi-AZ deployment does not inherently improve security.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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