
Certified Kubernetes Administrator (CKA)
Domain 4Objective 3
Create and Manage Kubernetes Clusters Using Kubeadm CKA Practice Questions (Page 4)
Part of the Cluster Architecture, Installation and Configuration domain, which accounts for 25% of the CKA exam. Linux Foundation does not publish an official question count, but from its 120-minute exam (~50–80 total, ~13–20 in this domain), expect 2–3 from this objective — we provide 26 practice questions to prepare you well beyond it. (estimate)
26questions here
6free pages
10concepts
25%of the exam
Questions 16–20
- 16
Which control plane component is a distributed key-value store that holds all cluster data?
Select an answer first - 17
After running kubeadm init, the kubelet on the control plane node is repeatedly crashing. What is a common cause?
Select an answer first - 18
A worker node cannot join a kubeadm cluster. The error is 'failed to connect to the API server at https://10.0.0.10:6443: connection refused'. You have verified that the API server is running on the control plane node and listening on port 6443. What is the most likely cause?
Select an answer first - 19
After initializing a kubeadm cluster, you install a pod network add-on. You notice that the CoreDNS pods are in CrashLoopBackOff. You check the logs and see 'Failed to create pod sandbox: network plugin is not ready'. What is the most likely cause?
Select an answer first - 20
You are upgrading a kubeadm cluster from v1.27.0 to v1.28.0. You have already upgraded kubeadm on the control plane node and run kubeadm upgrade plan. The plan shows that the upgrade is possible. However, you are concerned about the kubelet versions on the worker nodes. What is the recommended approach for upgrading the worker nodes?
Select an answer first
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