KCNA Cloud Native Observability Practice Question
Which log aggregation tool is designed specifically for Kubernetes and is often used as a lightweight alternative to Fluentd?
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 in Kubernetes.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Logstash
Why it's wrong here
Logstash is heavier and not Kubernetes-specific.
- ✓
Fluent Bit
Why this is correct
Fluent Bit is lightweight and designed for Kubernetes.
- ✗
Loki
Why it's wrong here
Loki is a log storage system, not a forwarder.
- ✗
Elasticsearch
Why it's wrong here
Elasticsearch is a storage and search backend.
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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.