KCSA Kubernetes Cluster Component Security Practice Question
An incident response team suspects that an attacker has gained unauthorized access to the cluster via an unencrypted etcd backup file containing sensitive cluster state. Which etcd utility should be used to securely snapshot and backup etcd data?
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
✓
etcdctl snapshot save
etcdctl snapshot save is the official command-line tool used to take point-in-time snapshots of the etcd key-value database.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
kubectl cluster-info dump --etcd
Why it's wrong here
kubectl does not have a direct etcd dump flag.
- ✗
etcd-backup-controller
Why it's wrong here
There is no native core controller named etcd-backup-controller.
- ✗
kubeadm backup etcd
Why it's wrong here
kubeadm does not provide a direct backup etcd subcommand.
- ✓
etcdctl snapshot save
Why this is correct
etcdctl snapshot save captures a consistent point-in-time snapshot of etcd.
About these practice questions
One of 320 original KCSA practice questions on Courseiva, each with a full explanation and wrong-answer analysis — not exam dumps or protected exam content. Learn why practice questions differ from exam dumps →
JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official CNCF / Linux Foundation exam blueprint
This KCSA practice question is part of Courseiva's free CNCF / Linux Foundation 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 KCSA exam.