mediumMultiple Select
Cloud Region Selection to Minimize Latency
Which TWO factors should be considered when selecting a cloud region for deploying a globally distributed application to minimize latency?
Quick Answer
The answer is geographic proximity to the target user base, availability of edge caching services (CDN), and the cloud provider’s network infrastructure. Geographic proximity is the primary factor because network latency is fundamentally limited by the speed of light; the physical distance data must travel directly increases round-trip time (RTT) and packet loss, degrading performance for latency-sensitive applications like real-time gaming or video conferencing. On the CompTIA Cloud+ CV0-004 exam, this question tests your ability to distinguish between cost, compliance, and performance factors—a common trap is choosing “lowest cost region” instead of proximity. Remember that edge caching services, such as a CDN, reduce latency by serving content from locations closer to end users, while the provider’s backbone network ensures efficient routing between regions. For the exam, think “Proximity, CDN, and Backbone”—the three pillars of latency minimization.
⚠ Common exam trap
Candidates often incorrectly assume that multiple Availability Zones reduce latency, but AZs primarily provide high availability and disaster recovery, not latency reduction.
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
✓
Geographic proximity to target user base
Option A is correct because network round-trip time is dominated by physical distance; placing the region geographically close to the target user base reduces propagation delay and thus latency for those users. Option E is correct because edge caching services (CDN) push content to points of presence near end users, so the availability of such services in or around a region lets static and cacheable content be served from the edge rather than traversing back to the origin region, further minimizing perceived latency. Options B, C, and D do not belong: the number of available VM sizes (B) affects compute flexibility and cost, not network latency; multiple Availability Zones (C) provide fault tolerance and high availability within a region, not latency reduction; and the local tax rate (D) is a cost/compliance consideration with no bearing on network performance.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Geographic proximity to target user base
Why this is correct
Placing resources in a region geographically close to the target user base shortens the physical network path, directly reducing round-trip latency. This satisfies the stem's latency-minimisation goal for a globally distributed application, since propagation delay scales with distance.
- ✗
Number of available virtual machine sizes
Why it's wrong here
Virtual machine sizes affect compute capacity, not network latency.
- ✗
Presence of multiple Availability Zones
Why it's wrong here
Availability Zones provide intra-region datacentre redundancy, not geographic proximity to users, so they cannot reduce cross-continent latency. They are tempting because zone selection matters for resilience within a region, and would be the right consideration when designing high-availability failover rather than global latency minimisation.
- ✗
Local tax rate for cloud services
Why it's wrong here
Local tax rates affect billing and compliance, not round-trip time; latency depends on physical distance and network path between users and the region. It tempts because tax is a real regional selection criterion, and it would be decisive when cost governance or data-residency rules drive the deployment.
- ✓
Availability of edge caching services (CDN)
Why this is correct
Edge caching services let content be served from locations near users, reducing round-trip latency independently of the origin region. Their availability in a candidate region therefore directly affects the latency goal for a globally distributed application.
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Same concept, more angles
1 more way this is tested on CV0-004
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. Which TWO factors should be considered when selecting a cloud region for deploying a latency-sensitive application serving a global user base?
easy- A.Cost of compute and storage
- ✓ B.Number of availability zones
- ✓ C.Proximity to the majority of users
- D.Data sovereignty and compliance requirements
- E.Available network bandwidth between zones
Why B: The number of availability zones within a region directly impacts the resilience and fault tolerance of a latency-sensitive application. Deploying across multiple availability zones allows for high availability and failover without adding significant latency, as zones are typically within a few milliseconds of each other. This ensures the application remains responsive even if one zone fails, which is critical for a global user base.
JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CV0-004 practice question is part of Courseiva's free CompTIA 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 CV0-004 exam.