CKAD Prep Test Questions & Answers 2024/2025
kubectl - ANSWERSA command-line utility with commands to control the Kubernetes cluster
node - ANSWERSA worker machine in the Kubernetes cluster, responsible for actually running pods.
Minikube - ANSWERSA single-node Kubernetes cluster designe...
kubectl - ANSWERSA command-line utility with commands to control the Kubernetes cluster
node - ANSWERSA worker machine in the Kubernetes cluster, responsible for actually running pods.
Minikube - ANSWERSA single-node Kubernetes cluster designed to be run locally while learning and
developing on Kubernetes
kubelet - ANSWERSA process that runs on each worker node, and takes responsibility for containers that
run on that node.
Cluster - ANSWERSA cluster is a collection of computers coordinated to work as a single unit. In
Kubernetes this consists of a master node and worker nodes.
kube-proxy - ANSWERSA networking proxy that runs on each worker node, enables pod- to-pod, pod-to-
service communication.
master - ANSWERSA machine in the Kubernetes cluster that directs work to be done on the worker
nodes.
cAdvisor - ANSWERSA process that runs on each worker node that tracks monitoring and resource usage
information.
etcd - ANSWERSA distributed key-value store used in Kubernetes to store configuration data for the
cluster.
YAML - ANSWERSA markup language used to define configuration for Kubernetes objects.
, Controller - ANSWERSControllers are responsible for updating resources in Kubernetes based on changes
to data in etcd.
Containerization - ANSWERSThe process of packaging an application, its dependencies, and its
configuration into a single deployable unit.
scheduler - ANSWERSA module in the Kubernetes master that selects which worker node a pod should
run on, based on resource requirements.
Image - ANSWERSA template for how to create running instances of an application or system.
Container - ANSWERSA running instantiation of an image. Consists of the running process, a filesystem,
and networking infrastructure.
Namespace - ANSWERSA subdivision of a cluster that appears like the entire cluster. Used to avoid name
collisions, isolate resources, and to apply resource quotas.
Pod - ANSWERSThe smallest object that Kubernetes interacts with. It is a layer of abstraction around the
container, allowing for containers to be colocated and share filesystem and network resources.
ConfigMap - ANSWERSAn object used to inject configuration data into containers.
Secret - ANSWERSAn object used to inject secret or sensitive configuration data into containers.
Service - ANSWERSA Kubernetes object used to expose a dynamic set of pods to the network behind a
single interface.
Liveness Probe - ANSWERSA process that checks if a container is still alive or if it needs to be restarted.
Deployment - ANSWERSA Kubernetes object that manages a set of pods as a single unit, controlling their
replication, update, and rollback.
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