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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Troubleshooting | 30% | - Troubleshoot networking - Understand how to monitor applications - Evaluate cluster and node logging - Troubleshoot cluster component failure - Manage container stdout & stderr logs - Troubleshoot application failure |
| Topic 2: Workloads & Scheduling | 15% | - Understand how to run multiple schedulers and configure scheduler policies - Use label selectors to schedule Pods - Understand Deployments and rolling update/rollback - Understand DaemonSets - Use ConfigMaps and Secrets to configure applications - Understand how scheduler works - Understand Static Pods - Understand resource limits and requests |
| Topic 3: Storage | 10% | - Understand persistent volume claims primitive - Understand Storage Classes and Persistent Volumes - Understand volume mode, access modes and reclaim policies - Understand how to configure applications with persistent storage |
| Topic 4: Services & Networking | 20% | - Use ClusterIP, NodePort, LoadBalancer service types and endpoints - Know how to use Ingress controllers and Ingress resources - Understand and use CoreDNS - Use the Gateway API to manage Ingress traffic - Understand connectivity between Pods - Define and enforce Network Policies |
| Topic 5: Cluster Architecture, Installation & Configuration | 25% | - Create and manage Kubernetes clusters using kubeadm - Understand CRDs, install and configure operators - Understand extension interfaces (CNI, CSI, CRI, etc.) - Manage the lifecycle of Kubernetes clusters - Use Helm and Kustomize to install cluster components - Implement and configure a highly-available control plane - Prepare underlying infrastructure for installing a Kubernetes cluster - Manage role based access control (RBAC) |
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NEW QUESTION # 84
Create a snapshot of the etcd instance running at https://127.0.0.1:2379, saving the snapshot to the file path
/srv/data/etcd-snapshot.db.
The following TLS certificates/key are supplied for connecting to the server with etcdctl:
* CA certificate: /opt/KUCM00302/ca.crt
* Client certificate: /opt/KUCM00302/etcd-client.crt
* Client key: Topt/KUCM00302/etcd-client.key
Answer:
Explanation:
NEW QUESTION # 85
From the pod label name=cpu-utilizer, find pods running high CPU workloads and write the name of the pod consuming most CPU to the file /opt/KUTR00102/KUTR00102.txt (which already exists).
Answer:
Explanation:
See the solution below.
Explanation
solution
NEW QUESTION # 86
Score: 7%
Task
Reconfigure the existing deployment front-end and add a port specification named http exposing port 80/tcp of the existing container nginx.
Create a new service named front-end-svc exposing the container port http.
Configure the new service to also expose the individual Pods via a NodePort on the nodes on which they are scheduled.
Answer:
Explanation:
See the solution below.
Explanation
Solution:
kubectl get deploy front-end
kubectl edit deploy front-end -o yaml
#port specification named http
#service.yaml
apiVersion: v1
kind: Service
metadata:
name: front-end-svc
labels:
app: nginx
spec:
ports:
- port: 80
protocol: tcp
name: http
selector:
app: nginx
type: NodePort
# kubectl create -f service.yaml
# kubectl get svc
# port specification named http
kubectl expose deployment front-end --name=front-end-svc --port=80 --tarport=80 --type=NodePort
NEW QUESTION # 87
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:
Explanation:
NEW QUESTION # 88
You are running an application that is highly sensitive and requires strict access control. You need to configure the service to allow access only from a specific pod in the same namespace.
Answer:
Explanation:
See the solution below with Step by Step Explanation.
Explanation:
Solution (Step by Step) :
1 . Create a NetworkPolicy:
- Define a NetworkPolicy that allows access from the specific pod to the service.
2. Apply the NetworkPolicy: - Apply the YAML file using 'kubectl apply -f networkpolicy.yaml'. 3. Verify the NetworkPolicy: - Check the status of the NetworkPolicy using 'kubectl get networkpolicies allow-specific-pod -n 4. Test the Access: - Attempt to access the service from the 'allowed-pod'. You should be able to access it. - Attempt to access the service from other pods in the same namespace. You should not be able to access it. Note: Replace " with the actual namespace where your service and allowed pod are located.
NEW QUESTION # 89
......
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