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| Section | Weight | Objectives |
|---|---|---|
| Workloads & Scheduling | 15% | - Understand resource limits and requests - Understand how scheduler works - Understand how to run multiple schedulers and configure scheduler policies - Understand Deployments and rolling update/rollback - Understand DaemonSets - Use label selectors to schedule Pods - Understand Static Pods - Use ConfigMaps and Secrets to configure applications |
| Cluster Architecture, Installation & Configuration | 25% | - Manage role based access control (RBAC) - Use Helm and Kustomize to install cluster components - Implement and configure a highly-available control plane - Understand extension interfaces (CNI, CSI, CRI, etc.) - Manage the lifecycle of Kubernetes clusters - Create and manage Kubernetes clusters using kubeadm - Understand CRDs, install and configure operators - Prepare underlying infrastructure for installing a Kubernetes cluster |
| Storage | 10% | - Understand persistent volume claims primitive - Understand how to configure applications with persistent storage - Understand volume mode, access modes and reclaim policies - Understand Storage Classes and Persistent Volumes |
| Troubleshooting | 30% | - Troubleshoot networking - Understand how to monitor applications - Manage container stdout & stderr logs - Evaluate cluster and node logging - Troubleshoot application failure - Troubleshoot cluster component failure |
| Services & Networking | 20% | - Use ClusterIP, NodePort, LoadBalancer service types and endpoints - Use the Gateway API to manage Ingress traffic - Define and enforce Network Policies - Know how to use Ingress controllers and Ingress resources - Understand and use CoreDNS - Understand connectivity between Pods |
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NEW QUESTION # 14
Update the deployment with the image version 1.16.1 and verify the image and check the rollout history
Answer:
Explanation:
kubectl set image deploy/webapp nginx=nginx:1.16.1 kubectl describe deploy webapp | grep Image kubectl rollout history deploy webapp
NEW QUESTION # 15
Create a namespace called 'development' and a pod with image nginx called nginx on this namespace.
Answer:
Explanation:
kubectl create namespace development kubectl run nginx --image=nginx --restart=Never -n development
NEW QUESTION # 16
You are deploying a microservices application on Kubernetes where each service has its own dedicated namespace. You want to implement a robust network security policy that allows communication between specific services only. How can you achieve this using NetworkPolicies?
Answer:
Explanation:
See the solution below with Step by Step Explanation.
Explanation:
Solution (Step by Step) :
1. Define Network Policies for Each Service:
- For each service, create a NetworkPolicy that defines the allowed ingress and egress traffic.
- Example for service "service-A":
2. Apply Network Policies: - Apply the NetworkPolicies to the respective namespaces using 'kubectl apply -f networkpolicy.yaml'
NEW QUESTION # 17
Create a deployment as follows:
* Name: nginx-random
* Exposed via a service nginx-random
* Ensure that the service and pod are accessible via their respective DNS records
* The container(s) within any pod(s) running as a part of this deployment should use the nginx Image Next, use the utility nslookup to look up the DNS records of the service and pod and write the output to /opt
/KUNW00601/service.dns and /opt/KUNW00601/pod.dns respectively.
Answer:
Explanation:
Solution:
NEW QUESTION # 18
Create a pod named kucc8 with a single app container for each of the
following images running inside (there may be between 1 and 4 images specified):
nginx + redis + memcached.
Answer:
Explanation:
See the solution below.
Explanation
solution
NEW QUESTION # 19
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