Pods, deployments, services, and core Kubernetes object concepts tested on the Certified Kubernetes Administrator exam.
40 cards · basic cards · AI-written, checked twice. Edit anything.
- What is the smallest deployable unit in Kubernetes?
Show answer
A Pod- Can a Kubernetes Pod contain multiple containers?
Show answer
Yes, via the sidecar or multi-container pattern- What is a Deployment in Kubernetes?
Show answer
A higher-level abstraction that manages ReplicaSets and provides declarative updates, rollbacks, and scaling- What does a ReplicaSet do?
Show answer
Ensures that a specified number of pod replicas are running at all times- How does a Deployment differ from a ReplicaSet?
Show answer
A Deployment manages ReplicaSets, provides rollout history, and enables rollbacks- What is a Service in Kubernetes?
Show answer
An abstraction that exposes a set of Pods as a network service- What is a ClusterIP Service?
Show answer
The default Service type that exposes a service on an internal cluster IP- What is a NodePort Service?
Show answer
A Service type that exposes the service on a static port on each node (range 30000-32767)- What is a LoadBalancer Service?
Show answer
A Service type that exposes the service using a cloud provider's load balancer- What is a label in Kubernetes?
Show answer
A key-value pair attached to Kubernetes objects for organization and selection- What is a selector in Kubernetes?
Show answer
A mechanism to query and select objects based on their labels- What is a namespace in Kubernetes?
Show answer
A logical partitioning mechanism for dividing cluster resources among multiple users or teams- What is a StatefulSet?
Show answer
A workload API object that manages stateful applications, maintaining stable pod identity and order- What is a DaemonSet?
Show answer
A workload object that runs a copy of a Pod on every node in the cluster- What are resource requests in Kubernetes?
Show answer
The guaranteed amount of compute resources (CPU, memory) that a container needs
FlashKeepers