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CKA


Certified Kubernetes Administrator


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ECT TEXT


nd configure the service front-end-service so it’s accessiblethrough NodePort and routes to the existin ront-end.


r: solution

Question: 11


CORR


Create a g pod

named f


Answe


Question: 12


CORRECT TEXT


Ensure a single instance of pod nginx is running on each node of the Kubernetes cluster where nginx also represents the Image name which has to be used. Do not

override any taints currently in place.


Use DaemonSet to complete this task and use ds-kusc00201 as DaemonSet name.


Answer: solution




on: 13


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he pod label name=cpu-utilizer, find pods running high CPU workloads and write the name of the pod ming most CPU to the file /opt/KUTR00102/KUTR00102.txt (which already exists).


r: solution

Questi


CORR


From t consu


Answe


Question: 14


CORRECT TEXT


Perform the following tasks:

Add an init container to hungry-bear (which has been defined in spec file /opt/KUCC00108/pod-spec- KUCC00108.yaml)


The init container should create an empty file named/workdir/calm.txt If /workdir/calm.txt is not detected, the pod should exit

Once the spec file has been updated with the init container definition, the pod should be created


Answer: solution



Question: 15


CORRECT TEXT


Create a file:

/opt/KUCC00302/kucc00302.txt that lists all pods that implement service baz in namespace development. The format of the file should be one pod name per line.


Answer: solution



Question: 16


CORRECT TEXT


Create a deployment spec file that will:

Launch 7 replicas of the nginx Image with the labelapp_runtime_stage=dev deployment name: kual00201

Save a copy of this spec file to /opt/KUAL00201/spec_deployment.yaml (or /opt/KUAL00201/spec_deployment.json).

When you are done, clean up (delete) any new Kubernetes API object that you produced during this task.


Answer: solution



on: 17


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Kubernetes secret as follows: e: super-secret

word: bob


pod named pod-secrets-via-file, using the redis Image, which mounts a secret named super-secret at /s second pod named pod-secrets-via-env, using the redis Image, which exports password as CONFIDE


r: solution

Questi


CORR


Create a Nam pass

Create a ecrets.


Create a NTIAL


Answe



on: 18


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%

Questi


CORR


Score: 7


Task


Given an existing Kubernetes cluster running version 1.20.0, upgrade all of the Kubernetes control plane and node components on the master node only to version 1.20.1.


Be sure to drain the master node before upgrading it and uncordon it after the upgrade.



also expected to upgrade kubelet and kubectl on the master node.


r: SOLUTION:


protected]] > ssh ek8s cordon k8s-master

drain k8s-master –delete-local-data –ignore-daemonsets –force

You are


Answe


[[email


kubectl kubectl

apt-get install kubeadm=1.20.1-00 kubelet=1.20.1-00 kubectl=1.20.1-00 — disableexcludes=kubernetes kubeadm upgrade apply 1.20.1 –etcd-upgrade=false

systemctl daemon-reload systemctl restart kubelet kubectl uncordon k8s-master

Question: 19

CORRECT TEXT


A Kubernetes worker node, named wk8s-node-0 is in state NotReady. Investigate why this is the case, and perform any appropriate steps to bring the node to a Ready state, ensuring that any changes are made permanent.


You can ssh to the failed node using: [[email protected]] $ | ssh Wk8s-node-0


r: solution

You can assume elevated privileges on the node with the following command: [[email protected]] $ | sudo Ci


Answe


Question: 20


CORRECT TEXT


Create a pod as follows:

Name: non-persistent-redis container Image: redis

Volume with name: cache-control Mount path: /data/redis

The pod should launch in the staging namespace and the volume must not be persistent.


Answer: solution