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Exam CKA topic 1 question 21 discussion

Actual exam question from CNCF's CKA
Question #: 21
Topic #: 1
[All CKA Questions]

SIMULATION
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Task
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Schedule a pod as follows:

• Name: nginx-kusc00401
• Image: nginx
• Node selector: disk=spinning

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Suggested Answer: apiVersion: v1 kind: Pod metadata: name: nginx-kusc00401 spec: containers: - name: nginx-kusc00401 image: nginx nodeSelector: disk=spinning
by abu7midan at Nov. 17, 2023, 1:31 p.m.

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2211094
2 months ago
here is the answer, but you can also add labels on metadata apiVersion: v1 kind: Pod metadata: name: nginx-kusc00401 spec: containers: - name: nginx-kusc00401 image: nginx nodeSelector: disk: spinning
upvoted 2 times
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fc146fc
10 months, 2 weeks ago
kubectl label nodes <your-node-name> disk=spinning and then create the below nginx.yaml file apiVersion: v1 kind: Pod metadata: name: nginx labels: env: test spec: containers: - name: nginx image: nginx imagePullPolicy: IfNotPresent nodeSelector: disktype: spinning and finally Kubectl create -f nginx.yaml
upvoted 2 times
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abu7midan
1 year, 1 month ago
k label node node01 disk=spanning apiVersion: v1 kind: Pod metadata: name: nginx-kusc00401 labels: env: test spec: containers: - name: nginx image: nginx imagePullPolicy: IfNotPresent nodeSelector: disk: spinning
upvoted 4 times
skywalker
1 year, 1 month ago
Should be ssd as disk.. --- apiVersion: v1 kind: Pod metadata: creationTimestamp: null labels: run: nginx-kusc00401 name: nginx-kusc00401 spec: containers: - image: nginx name: nginx-kusc00401 nodeSelector: disk: ssd
upvoted 1 times
testingspeedz214
3 months, 2 weeks ago
Wrong. nodeSelector shouled be disk=spinning as specified in the question
upvoted 1 times
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Stargazer11
11 months, 2 weeks ago
No it's Not. Question mentions disk=spinning. So we have to label the node first as disk=spinning.
upvoted 4 times
Nasser_Sam
3 weeks, 6 days ago
Why do you need to label a node? How do you know which node to label? I think the label already exists, and all you need to do is create a pod with a node selector referring to this label.
upvoted 1 times
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