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Download Certified Kubernetes Administrator (CKA) Program Exam Exam Dumps
NEW QUESTION 47
Create a Kubernetes secret asfollows:
* Name: super-secret
* password: bob
Create a pod namedpod-secrets-via-file Image, which mounts a secret namedsuper-secretat
/secrets.
Create a second pod namedpod-secrets-via-env Image, which exportspasswordas CONFIDENTIAL
Answer:
Explanation:
See the solution below.
Explanation
solution
NEW QUESTION 48
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:
Explanation:
solution
NEW QUESTION 49
Print pod name and start time to "/opt/pod-status" file
Answer:
Explanation:
See the solution below.
Explanation
kubect1 get pods -o=jsonpath='{range
items[*]}{.metadata.name}{"\t"}{.status.podIP}{"\n"}{end}'
NEW QUESTION 50
Create a daemonset named "Prometheus-monitoring" using image=prom/Prometheus which runs in all the nodes in the cluster. Verify the pod running in all the nodes
- A. vim promo-ds.yaml
apiVersion: apps/v1
kind: DaemonSet
metadata:
name: prometheus-monitoring
spec:
selector:
matchLabels:
name: prometheus
template:
metadata:
labels:
name: prometheus
spec:
tolerations:
# remove it if your masters can't run pods
- key: node-role.kubernetes.io/master
effect: NoSchedule
containers:
- name: prometheus-container
image: prom/prometheus
volumeMounts:
- name: varlog
mountPath: /var/log
- name: varlibdockercontainers
mountPath: /var/lib/docker/containers
readOnly: true
volumes:
- name: varlog
emptyDir: {}
- name: varlibdockercontainers
emptyDir: {}
kubectl apply -f promo-ds.yaml
NOTE: Deamonset will get scheduled to "default" namespace, to
schedule deamonset in specific namespace, then add
"namespace" field in metadata
//Verify
kubectl get ds
NAME DESIRED CURRENT READY UP-TO-DATE
AVAILABLE NODE SELECTOR AGE
prometheus-monitoring 6 6 0 6
0 <none> 7s
kubectl get no # To get list of nodes in the cluster
// There are 6 nodes in the cluster, so a pod gets scheduled to
each node in the cluster - B. vim promo-ds.yaml
apiVersion: apps/v1
kind: DaemonSet
metadata:
name: prometheus-monitoring
spec:
selector:
matchLabels:
name: prometheus
template:
metadata:
labels:
name: prometheus
spec:
tolerations:
# remove it if your masters can't run pods
- key: node-role.kubernetes.io/master
effect: NoSchedule
containers:
- name: prometheus-container
- name: varlibdockercontainers
mountPath: /var/lib/docker/containers
readOnly: true
volumes:
- name: varlog
emptyDir: {}
- name: varlibdockercontainers
emptyDir: {}
kubectl apply -f promo-ds.yaml
NOTE: Deamonset will get scheduled to "default" namespace, to
schedule deamonset in specific namespace, then add
"namespace" field in metadata
//Verify
kubectl get ds
NAME DESIRED CURRENT READY UP-TO-DATE
AVAILABLE NODE SELECTOR AGE
prometheus-monitoring 8 8 0 6
0 <none> 7s
kubectl get no # To get list of nodes in the cluster
// There are 6 nodes in the cluster, so a pod gets scheduled to
each node in the cluster
Answer: A
NEW QUESTION 51
Score: 5%
Task
Monitor the logs of pod bar and:
* Extract log lines corresponding to error file-not-found
* Write them to /opt/KUTR00101/bar
Answer:
Explanation:
Solution:
kubectl logs bar | grep 'unable-to-access-website' > /opt/KUTR00101/bar cat /opt/KUTR00101/bar
NEW QUESTION 52
......
