KCNA Cloud Native Application Delivery Practice Question
In a Helm chart, which file is used to define default configuration values that can be overridden by users during installation?
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
✓
values.yaml
values.yaml is the conventional file in Helm charts for default configuration values. Users can override these values during installation using --set or by providing a custom values file. Option A (templates/) contains Kubernetes manifest templates. Option B (charts/) holds subchart dependencies. Option D (Chart.yaml) includes chart metadata like name and version. Therefore, the correct answer is C.
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Learn chapter
Kubernetes Overview and Core Components
Key term
Helm Charts
Helm Charts are packages of pre-configured Kubernetes resources that let you install, upgrade, and manage complex applications on a Kubernetes cluster with a single command.
Key term
ReplicaSet and Replication
A ReplicaSet ensures a specified number of identical pod instances are running at all times in Kubernetes, using replication to maintain availability and stability.
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Same concept, more angles
1 more way this is tested on KCNA
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Variation 1. What is the purpose of values.yaml in a Helm chart?
easy- A.To specify the chart metadata
- B.To define the Kubernetes resources to create
- C.To define the release name
- ✓ D.To store default configuration values for the chart
Why D: values.yaml provides default configuration values that can be overridden at install/upgrade time.
JA
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.