Kubernetes job interview questions

Kubernetes

QUESTION 1:

How do you display a history of job executions in Kubernetes?

Kubernetes Junior

QUESTION 2:

You need to make sure that each pod scheduled as part of your Kubernetes job will have label myJobId="great job". How will you do that?

Kubernetes Junior

QUESTION 3:

You were asked to create a command that will display a status of a pod pod1 in namespace ns1. What will you do?

Kubernetes Junior

QUESTION 4:

How do you create pod pod1 of image nginx in namespace ns1 that will have the container name c1?

Kubernetes Mid-level

QUESTION 5:

How do you get a list of endpoints that are available for service service1?

Kubernetes Mid-level

QUESTION 6:

How can you run a pod on each node of Kubernetes and make sure that it is running only once on on each node?

Kubernetes Mid-level

QUESTION 7:

How do you find all pods that run on a master node?

Kubernetes Mid-level

QUESTION 8:

Using kubectl, how do you convert yaml manifest of a specific pod pod1 to JSON format?

Kubernetes Mid-level

QUESTION 9:

You are looking for IP address details of your Kubernetes nodes, but you are not sure what is a structure of node manifests. How can you find this details and learn more about the structure?

Kubernetes Mid-level

QUESTION 10:

How can you display yaml details of all deployments, pods and services that are present in the current Kubernetes namespace?

Kubernetes Junior

QUESTION 11:

How can you display all objects that are present in the current Kubernetes namespace?

Kubernetes Junior

QUESTION 12:

Without kubectl, how do you display list of names of available Kubernetes contexts that you can use from the machine?

Kubernetes Junior

QUESTION 13:

Using kubectl, how do you display list of names of available Kubernetes contexts that you can use from the machine?

Kubernetes Junior

QUESTION 14:

How do you display current Kubernetes context using kubectl?

Kubernetes Junior

QUESTION 15:

How can you identify what IP addresses have the nodes assigned in Kubernetes?

Kubernetes Junior

QUESTION 16:

How can you get all nodes that are forming a Kubernetes cluster?

Kubernetes Junior

QUESTION 17:

How can you check what are the taints defined on nodes?

Kubernetes Junior

QUESTION 18:

What is a taint in Kubernetes?

Kubernetes Junior

QUESTION 19:

What does kubectl drain do?

Kubernetes Junior

QUESTION 20:

What does kubectl uncordon do?

Kubernetes Junior

QUESTION 21:

What does kubectl cordon do?

Kubernetes Junior

QUESTION 22:

How do you find Kubernetes pods that consume the most CPU?

Kubernetes Junior

QUESTION 23:

How can you speed up switching between namespaces using kubectl?

Kubernetes Mid-level

QUESTION 24:

How can you speed up your work flow when using kubectl?

Kubernetes Junior

QUESTION 25:

How do you get all events that Kubernetes logged for a pod with name pod1?

Kubernetes Junior

QUESTION 26:

What command can you use to get the address of the Kubernetes control plane and cluster services?

Kubernetes Junior

QUESTION 27:

How do you assign a custom service account to a Kubernetes pod?

Kubernetes Junior

QUESTION 28:

What is a Kubernetes service account?

Kubernetes Junior

QUESTION 29:

How do you list Kubernetes service accounts?

Kubernetes Junior

QUESTION 30:

How do you create a Kubernetes job job1 with image busybox that will be executed 3 times and maximum of 2 job instances will run in parallel? The command executed in a job should be sleep 10 && echo "Hello world"

Kubernetes Mid-level

QUESTION 31:

How can you display a list of Kubernetes pods that will automatically rerender when a pod status changes?

Kubernetes Junior

QUESTION 32:

What are the three kinds of object management supported in Kubernetes?

Kubernetes Junior

QUESTION 33:

How do you create a temporary pod and verify a http connectivity to a service svc1 that exposed a port 80?

Kubernetes Senior

QUESTION 34:

How do you create a service svc1 from a Kubernetes pod pod1? The service should use a tcp port redirection of 8080:80.

Kubernetes Senior

QUESTION 35:

What is privileged setting of securityContext used for in Kubernetes container manifest?

Kubernetes Senior

QUESTION 36:

What is allowPrivilegeEscalation setting of securityContext used for in Kubernetes container manifest?

Kubernetes Senior

QUESTION 37:

How do you change a number of replicas of a Kubernetes deployment dep1 to 3?

Kubernetes Senior

QUESTION 38:

On which level can you configure securityContext field in Kubernetes?

Kubernetes Senior

QUESTION 39:

How do you convert a Kubernetes pod to a deployment?

Kubernetes Senior

QUESTION 40:

How do you rollback deployment d12 to a specific revision?

Kubernetes Senior

QUESTION 41:

How do you display a history of Kubernetes deployment d12 in namespace ns2?

Kubernetes Senior

QUESTION 42:

How do you move a pod between namespaces in Kubernetes?

Kubernetes Senior

QUESTION 43:

How do you create a Kubernetes pod using the busybox image that will execute two commands after the container starts?

Kubernetes Senior

QUESTION 44:

You have a yaml definition of a pod stored in file.yaml. How do you create the pod from the definition?

Kubernetes Senior

QUESTION 45:

Where do you configure a readiness probe in Kubernetes?

Kubernetes Senior

QUESTION 46:

What types of readiness probes can you use in Kubernetes?

Kubernetes Senior

QUESTION 47:

How do you configure a time after which the Kubernetes readiness probe is to be evaluated for the first time?

Kubernetes Senior

QUESTION 48:

What are readiness probes in Kubernetes?

Kubernetes Senior

QUESTION 49:

What are some best practices related to Kubernetes namespaces?

Kubernetes Senior

QUESTION 50:

What are Kubernetes namespaces good for?

Kubernetes Senior

QUESTION 51:

What is a difference between a pod and a container in Kubernetes?

Kubernetes Senior

QUESTION 52:

What are pods in Kubernetes?

Kubernetes Senior

QUESTION 53:

How can you save a yaml definition of a Kubernetes pod with name pod1 in namespace mypods to a file and edit it using Nano editor?

Kubernetes Senior

QUESTION 54:

How do you create a Kubernetes pod with name pod1 and image busybox? The pod should be in a namespace mypods

Kubernetes Senior

QUESTION 55:

How would you write a list of Kubernetes namespaces to a file? Each namespace should be on a separate line and there should be no header.

Kubernetes Senior

QUESTION 56:

How do you get a list of Kubernetes namespaces using kubectl?

Kubernetes Senior

QUESTION 57:

What is kubectl?

Kubernetes Senior

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