Kubernetes Certified Administrator (CKA) practice exam questions fully solved & updated

etcd A distributed storage service, used as K8s control-plane storage. All of the cluster data is persisted in etcd. default etcd port 2379 Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:07 / 0:15 Full screen default version of etcd 3 kube-apiserver The primary management component of Kubernetes. It relays all updates for every service and allows all components of K8s to speak to one another. kube controller manager Monitors the state of the components in the system. kube-scheduler Watches for newly created Pods with no assigned node, and selects node for them to run on based on resource requirements. kubelet Agent that runs on each node in the cluster, it listens for instructions from the kube-api server and deploys or destroys containers on the nodes as required. kube-proxy Network proxy which reflects Kubernetes networking services on each node. pod single instance of an application smallest object that can be created in K8s? pod action to take to scale an application? add more pods can pods have more than one container? yes, but should not be the same container (use helper containers) how can containers within a pod communicate? localhost how can containers within a pod share storage? storage is already shared since they're in the same pod required fields for YAML apiVersion: kind: metadata: name: spec: containers: - name: image: possible apiVersions POD - v1 Service - v1 ReplicaSet - apps/v1 Deployment - apps/v1 kind in YAML Type of object we're trying to create. possible kind in YAML POD Service ReplicaSet Deployment metadata in YAML Data about the object (name and label). spec in YAML Provide the specifications for the object to be created.