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CCSP Moving a legacy application to a public cloud Practice Question
A company is moving a legacy application to a public cloud. The application requires low latency and high throughput between two application tiers. Which two cloud design principles should be applied? (Choose two.)
⚠ Common exam trap
ISC2 often tests the misconception that deploying across availability zones always improves performance, but the trap here is that inter-zone latency can harm low-latency requirements, making same-zone deployment (Option E) the correct choice alongside dedicated connections.
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 dedicated network connections between tiers.
Dedicated network connections, such as AWS Direct Connect or Azure ExpressRoute, provide consistent low latency and high throughput by bypassing the public internet and reducing jitter. This ensures predictable performance for latency-sensitive inter-tier communication, which is critical for legacy applications with strict performance requirements.
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 dedicated network connections between tiers.
Why this is correct
Correct: Provides dedicated throughput and reduces contention.
- ✗
Deploy both tiers in the same region but different availability zones.
Why it's wrong here
Cross-zone traffic adds latency.
- ✗
Use a single large instance for both tiers.
Why it's wrong here
Not scalable and introduces single point of failure.
- ✗
Place the tiers in different VPCs with a transit gateway.
Why it's wrong here
Adds complexity and potential latency.
- ✓
Deploy both tiers in the same availability zone.
Why this is correct
Correct: Minimizes network distance and latency.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CCSP practice question is part of Courseiva's free ISC2 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 CCSP exam.