KCNA Cloud Native Observability Practice Question
A DevOps team wants to collect logs from all Kubernetes nodes and forward them to a central log storage system. Which tool is specifically designed for lightweight log aggregation and forwarding on Kubernetes nodes?
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, designed for resource-constrained environments like Kubernetes nodes.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Elasticsearch
Why it's wrong here
Elasticsearch is a search and analytics engine, not a log forwarder.
- ✗
Prometheus
Why it's wrong here
Prometheus is a metrics monitoring system, not for logs.
- ✓
Fluent Bit
Why this is correct
Fluent Bit is a lightweight log forwarder suitable for Kubernetes nodes.
- ✗
Grafana
Why it's wrong here
Grafana is a visualization tool, not a log forwarder.
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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.