KCNA Cloud Native Observability Practice Question
Which tool is commonly used for log aggregation in Kubernetes and is designed to be lightweight?
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
✓
Fluent Bit
Fluent Bit is a lightweight log processor and forwarder, often used as a DaemonSet to collect logs.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Fluent Bit
Why this is correct
Fluent Bit is a lightweight log processor for log aggregation.
- ✗
Jaeger
Why it's wrong here
Jaeger is a distributed tracing tool.
- ✗
Prometheus
Why it's wrong here
Prometheus is a metrics and alerting tool, not log aggregation.
- ✗
Grafana
Why it's wrong here
Grafana is a visualization tool for metrics and logs.
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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.