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Question No. 1

Exhibit:

Given a container that writes a log file in format A and a container that converts log files fromformat A to format B, create a deployment that runs both containers such that the log files from thefirst container are converted by the second container, emitting logs in format B.

Task:

* Create a deployment named deployment-xyz in the default namespace, that:

* Includes a primary

lfccncf/busybox:1 container, named logger-dev

* includes a sidecar Ifccncf/fluentd:v0.12 container, named adapter-zen

* Mounts a shared volume /tmp/log on both containers, which does not persist when the pod isdeleted

* Instructs the logger-dev

container to run the command

which should output logs to /tmp/log/input.log in plain text format, with example values:

* The adapter-zen sidecar container should read /tmp/log/input.log and output the data to/tmp/log/output.* in Fluentd JSON format. Note that no knowledge of Fluentd is required tocomplete this task: all you will need to achieve this is to create the ConfigMap from the spec fileprovided at /opt/KDMC00102/fluentd-configma p.yaml , and mount that ConfigMap to /fluentd/etc in

the adapter-zen sidecar container

A. Solution:

B. Solution:

Answer: A

Question No. 2

Exhibit:

Context

A project that you are working on has a requirement for persistent data to be available.

Task

To facilitate this, perform the following tasks:

* Create a file on node sk8s-node-0 at /opt/KDSP00101/data/index.html with the contentAcct=Finance

* Create a PersistentVolume named task-pv-volume using hostPath and allocate 1Gi to it, specifyingthat the volume is at /opt/KDSP00101/data on the cluster's node. The configuration should specifythe access mode of ReadWriteOnce . It should define the StorageClass name exam for thePersistentVolume , which will be used to bind PersistentVolumeClaim requests to thisPersistenetVolume.

* Create a PefsissentVolumeClaim named task-pv-claim that requests a volume of at least 100Mi andspecifies an access mode of ReadWriteOnce

* Create a pod that uses the PersistentVolmeClaim as a volume with a label app: my-storage-appmounting the resulting volume to a mountPath /usr/share/nginx/html inside the pod

A. Solution:

B. Solution:

Answer: A

Question No. 3

Exhibit:

Context

A user has reported an aopticauon is unteachable due to a failing livenessProbe .

Task

Perform the following tasks:

* Find the broken pod and store its name and namespace to /opt/KDOB00401/broken.txt in theformat:

The output file has already been created

* Store the associated error events to a file /opt/KDOB00401/error.txt, The output file has alreadybeen created. You will need to use the -o wide output specifier with your command

* Fix the issue.

A. Solution: Create the Pod: kubectl create -fhttp://k8s.io/docs/tasks/configure-pod-container/exec-liveness.yaml Within 30 seconds, viewthe Pod events: kubectl describe pod liveness-exec The output indicates that no livenessprobes have failed yet: FirstSeen LastSeen Count From SubobjectPath Type Reason Message --------- -------- ----- ---- ------------- -------- ------ ------- 24s 24s 1 {default-scheduler } Normal ScheduledSuccessfully assigned liveness-exec to worker0 23s 23s 1 {kubelet worker0}spec.containers{liveness} Normal Pulling pulling image "gcr.io/google_containers/busybox"23s 23s 1 {kubelet worker0} spec.containers{liveness} Normal Pulled Successfully pulledimage "gcr.io/google_containers/busybox" 23s 23s 1 {kubelet worker0}spec.containers{liveness} Normal Created Created container with docker id 86849c15382e;Security:[seccomp=unconfined] 23s 23s 1 {kubelet worker0} spec.containers{liveness}Normal Started Started container with docker id 86849c15382e After 35 seconds, view thePod events again: kubectl describe pod liveness-exec At the bottom of the output, there aremessages indicating that the liveness probes have failed, and the containers have been killedand recreated. FirstSeen LastSeen Count From SubobjectPath Type Reason Message --------- -------- ----- ---- ------------- -------- ------ ------- 37s 37s 1 {default-scheduler } Normal ScheduledSuccessfully assigned liveness-exec to worker0 36s 36s 1 {kubelet worker0}spec.containers{liveness} Normal Pulling pulling image "gcr.io/google_containers/busybox"36s 36s 1 {kubelet worker0} spec.containers{liveness} Normal Pulled Successfully pulledimage "gcr.io/google_containers/busybox" 36s 36s 1 {kubelet worker0}spec.containers{liveness} Normal Created Created container with docker id 86849c15382e;Security:[seccomp=unconfined] 36s 36s 1 {kubelet worker0} spec.containers{liveness}Normal Started Started container with docker id 86849c15382e 2s 2s 1 {kubelet worker0}spec.containers{liveness} Warning Unhealthy Liveness probe failed: cat: can't open'/tmp/healthy': No such file or directory Wait another 30 seconds, and verify that the Container

has been restarted: kubectl get pod liveness-exec The output shows thatRESTARTShas beenincremented: NAME READY STATUS RESTARTS AGE liveness-exec 1/1 Running 1 mB. Solution: Create the Pod: kubectl create -fhttp://k8s.io/docs/tasks/configure-pod-container/exec-liveness.yaml Within 30 seconds, viewthe Pod events: kubectl describe pod liveness-exec The output indicates that no livenessprobes have failed yet: FirstSeen LastSeen Count From SubobjectPath Type Reason Message --------- -------- ----- ---- ------------- -------- ------ ------- 24s 24s 1 {default-scheduler } Normal ScheduledSuccessfully assigned liveness-exec to worker0 23s 23s 1 {kubelet worker0}spec.containers{liveness} Normal Pulling pulling image "gcr.io/google_containers/busybox"kubectl describe pod liveness-exec At the bottom of the output, there are messages indicatingthat the liveness probes have failed, and the containers have been killed and recreated.FirstSeen LastSeen Count From SubobjectPath Type Reason Message --------- -------- ----- ---- ------------- -------- ------ ------- 37s 37s 1 {default-scheduler } Normal Scheduled Successfully assignedliveness-exec to worker0 36s 36s 1 {kubelet worker0} spec.containers{liveness} NormalPulling pulling image "gcr.io/google_containers/busybox" 36s 36s 1 {kubelet worker0}spec.containers{liveness} Normal Pulled Successfully pulled image"gcr.io/google_containers/busybox" 36s 36s 1 {kubelet worker0} spec.containers{liveness}Normal Created Created container with docker id 86849c15382e;Security:[seccomp=unconfined] 36s 36s 1 {kubelet worker0} spec.containers{liveness}Normal Started Started container with docker id 86849c15382e 2s 2s 1 {kubelet worker0}spec.containers{liveness} Warning Unhealthy Liveness probe failed: cat: can't open'/tmp/healthy': No such file or directory Wait another 30 seconds, and verify that the Containerhas been restarted: kubectl get pod liveness-exec The output shows thatRESTARTShas beenincremented: NAME READY STATUS RESTARTS AGE liveness-exec 1/1 Running 1 m

Answer: A

Question No. 4

Exhibit:

Task

A deployment is falling on the cluster due to an incorrect image being specified. Locate thedeployment, and fix the problem.

A. Pending

Answer: A

Question No. 5

Exhibit:

Task

You have rolled out a new pod to your infrastructure and now you need to allow it to communicatewith the web and storage pods but nothing else. Given the running pod kdsn00201 -newpod edit it touse a network policy that will allow it to send and receive traffic only to and from the web andstorage pods.

A. Pending

Answer: A

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