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Linux Foundation Certified Kubernetes Administrator (CKA) Program Exam Sample Questions (Q41-Q46):
NEW QUESTION # 41
Create the nginx pod with version 1.17.4 and expose it on port 80
Answer:
Explanation:
kubectl run nginx --image=nginx:1.17.4 --restart=Never -- port=80
NEW QUESTION # 42
Get list of all pods in all namespaces and write it to file "/opt/pods-list.yaml"
Answer:
Explanation:
kubectl get po -all-namespaces > /opt/pods-list.yaml
NEW QUESTION # 43
Create an nginx pod which loads the secret as environment variables
- A. // create a yml file
kubectl run nginx --image=nginx --restart=Never --dry-run -o
yaml > nginx.yml
// add env section below and create
vim nginx.yaml
apiVersion: v1
kind: Pod
metadata:
labels:
run: nginx
name: nginx
spec:
containers:
- image: nginx
name: nginx
envFrom:
- secretRef:
name: my-secret
restartPolicy: Never
kubectl apply -f nginx.yaml
//verify
kubectl exec -it nginx - env - B. // create a yml file
kubectl run nginx --image=nginx --restart=Never --dry-run -o
yaml > nginx.yml
// add env section below and create
vim nginx.yaml
run: nginx
name: nginx
spec:
containers:
- image: nginx
name: nginx
envFrom:
- secretRef:
name: my-secret
restartPolicy: Never
kubectl apply -f nginx.yaml
//verify
kubectl exec -it nginx - env
Answer: A
NEW QUESTION # 44
Score: 4%
Task
Check to see how many nodes are ready (not including nodes tainted NoSchedule ) and write the number to
/opt/KUSC00402/kusc00402.txt
Answer:
Explanation:
See the solution below.
Explanation
Solution:
kubectl describe nodes | grep ready|wc -l
kubectl describe nodes | grep -i taint | grep -i noschedule |wc -l
echo 3 > /opt/KUSC00402/kusc00402.txt
#
kubectl get node | grep -i ready |wc -l
# taintsnoSchedule
kubectl describe nodes | grep -i taints | grep -i noschedule |wc -l
#
echo 2 > /opt/KUSC00402/kusc00402.txt
NEW QUESTION # 45
Create a redis pod and mount "redis-config" as "redis.conf"
inside redis container, name the config volume as "redis-volume"
redis-config path - /opt/redis-config
- A. Pending
- B. 0
- C. 1
Answer: A
NEW QUESTION # 46
......
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