KCNA Cloud Native Architecture Practice Question
Which THREE are typical characteristics of a cloud-native application?
⚠ Common exam trap
CNCF often tests the misconception that cloud-native apps are just 'apps in the cloud' rather than specifically requiring containerization, microservices, and horizontal scaling; candidates may mistakenly associate long startup times or fragility with cloud-native, when those are anti-patterns.
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
✓
Packaged as lightweight containers
Cloud-native applications are typically packaged as lightweight containers (e.g., Docker) that encapsulate the application and its dependencies, enabling fast startup, portability, and efficient resource utilization. Containers share the host OS kernel and have minimal overhead compared to virtual machines, which aligns with the cloud-native principle of agility and scalability.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Long startup times due to heavy initialization
Why it's wrong here
Containers start quickly.
- ✗
Vulnerable to cascading failures
Why it's wrong here
Designed to be resilient.
- ✓
Packaged as lightweight containers
Why this is correct
Containers are standard.
- ✓
Designed for horizontal scaling
Why this is correct
Scale out by adding instances.
- ✓
Built using microservices architecture
Why this is correct
Microservices enable agility.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This KCNA practice question is part of Courseiva's free CNCF 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 KCNA exam.