How to create deployment name app-dep, image=nginx, and replicas 5 using imperative command?

• A.kubectl create app-dep deployment --image=nginx --replicas=5
• B.kubectl create deployment app-dep --image=nginx --replicas=5
• C.kubectl create app-dep deployment --replicas=5 --image=nginx

Correct Answer: B

https://kubernetes.io/docs/reference/generated/kubectl/kubectl-commands#-em-deployment-em-

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You have a containerized application that needs to access a specific environment variable. Which of the following methods would you typically use to provide this environment variable within a Kubernetes Pod definition?

• A.Environment variable within the container image
• B.ConfigMap
• C.Secret
• D.VolumeMounts
• E.Pod Security Policy

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Consider the following Prometheus query: kube_pod_container_resource_requests_cpu_cores{pod="my-app-pod", container="my-app- container"} > 0.5 What does this query identify? Select all that apply.

• A.Pods named "my-app-pod" with a container named "my-app-container" that are requesting more than 0.5 CPU cores.
• B.Pods named "my-app-pod" with a container named "my-app-container" that are currently using more than 0.5 CPIJ cores.
• C.Pods named "my-app-pod" with a container named "my-app-container" that have a CPIJ limit set to 0.5 cores or higher.
• D.Pods named "my-app-pod" with a container named "my-app-container" that are experiencing high CPU utilization and may be resource-constrained.
• E.Pods named "my-app-pod" with a container named "my-app-container" that are running on a Kubernetes node with a CPU capacity of 0.5 cores or higher.

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You have a Deployment with the following YAML definition:

You want to update the image to 'my-app:v2' without deleting and recreating the Deployment. Which Kubernetes command can you use to achieve this update?

• A.kubectl apply -f deployment.yaml
• B.kubectl delete deployment my-app
• C.kubectl rollout restart deployment my-app
• D.kubectl set image deployment/my-app my-app-container=my-app:v2
• E.kubectl scale deployment my-app -replicas=0

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You are running a database application in a Kubernetes cluster. The database requires persistent storage that survives pod restarts. Which Kubernetes feature would you use to achieve this?

• A.ConfigMap
• B.Secret
• C.PersistentVolumeClaim
• D.Deployment
• E.Service

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