KCNA Exam Questions

Which tool is used to streamline installing and managing Kubernetes applications?

What are the two steps performed by the kube-scheduler to select a node to schedule a pod?

To visualize data from Prometheus you can use expression browser or console templates. What is the other data visualization tool commonly used together with Prometheus?

Which item is a Kubernetes node component?

In a serverless computing architecture:

How is application data maintained in containers?

Which of the following scenarios would benefit the most from a service mesh architecture?

Kubernetes___ protect you against voluntary interruptions (such as deleting Pods, draining nodes) to run applications in a highly available manner.

What sentence is true about CronJobs in Kubernetes?

What is the purpose of the kube-proxy?

Manual reclamation policy of a PVC resource is known as:

Which component of the Kubernetes architecture is responsible for integration with the CRI container runtime?

Which one of the following is an open source runtime security tool?

What are the advantages of adopting a GitOps approach for your deployments?

Which command lists the running containers in the current Kubernetes namespace?

Which of the following is a good habit for cloud native cost efficiency?

Which of these is a valid container restart policy?

Which of the following is a challenge derived from running cloud native applications?

What is the correct hierarchy of Kubernetes components?

Which statement about Secrets is correct?

Which mechanism allows extending the Kubernetes API?

Which of the following observability data streams would be most useful when desiring to plot resource consumption and predicted future resource exhaustion?

What can be used to create a job that will run at specified times/dates or on a repeating schedule?

If kubectl is failing to retrieve information from the cluster, where can you find pod logs to troubleshoot?

Which component in Kubernetes is responsible to watch newly created Pods with no assigned node, and selects a node for them to run on?

Which control plane component is responsible for updating the node Ready condition

Which GitOps engine can be used to orchestrate parallel jobs on Kubernetes?

What is the main purpose of the Open Container Initiative (OCI)?

Which are the core features provided by a service mesh?

Which of the following options include only mandatory fields to create a Kubernetes object using a YAML file?

Which of the following is the name of a container orchestration software?

What happens with a regular pod running in Kubernetes when a node fails?

What is the minimum of etcd members that are required for a highly available Kubernetes cluster?

What is the main purpose of the Ingress in Kubernetes?

How can you extend the Kubernetes API?

What is an ephemeral container?

In a cloud native environment, who is usually responsible for maintaining the workloads running across the different platforms?

Which Kubernetes-native deployment strategy supports zero-downtime updates of a workload?

What service account does a Pod use in a given namespace when the service account is not specified?

What is a cloud native application?

What's the most adopted way of conflict resolution and decision-making for the open-source projects under the CNCF umbrella?

Which of the following options include resources cleaned by the Kubernetes garbage collection mechanism?

What is the default eviction timeout when the Ready condition of a node is Unknown or False?

What is the main purpose of a DaemonSet?

Why do administrators need a container orchestration tool?

Which two elements are shared between containers in the same pod?

In Kubernetes, if the API version of feature is v2beta3, it means that:

What is the API that exposes resource metrics from the metrics-server?

Which of the following resources helps in managing a stateless application workload on a Kubernetes cluster?

Which mechanism can be used to automatically adjust the amount of resources for an application?