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| Section | Weight | Objectives |
|---|---|---|
| Storage | 10% | - Understand how to configure applications with persistent storage - Understand Storage Classes and Persistent Volumes - Understand volume mode, access modes and reclaim policies - Understand persistent volume claims primitive |
| Troubleshooting | 30% | - Evaluate cluster and node logging - Troubleshoot networking - Manage container stdout & stderr logs - Understand how to monitor applications - Troubleshoot application failure - Troubleshoot cluster component failure |
| Workloads & Scheduling | 15% | - Understand DaemonSets - Understand Static Pods - Understand Deployments and rolling update/rollback - Understand how to run multiple schedulers and configure scheduler policies - Use label selectors to schedule Pods - Understand how scheduler works - Use ConfigMaps and Secrets to configure applications - Understand resource limits and requests |
| Cluster Architecture, Installation & Configuration | 25% | - Manage the lifecycle of Kubernetes clusters - Understand CRDs, install and configure operators - Prepare underlying infrastructure for installing a Kubernetes cluster - Manage role based access control (RBAC) - Create and manage Kubernetes clusters using kubeadm - Understand extension interfaces (CNI, CSI, CRI, etc.) - Use Helm and Kustomize to install cluster components - Implement and configure a highly-available control plane |
| Services & Networking | 20% | - Use ClusterIP, NodePort, LoadBalancer service types and endpoints - Understand and use CoreDNS - Understand connectivity between Pods - Know how to use Ingress controllers and Ingress resources - Define and enforce Network Policies - Use the Gateway API to manage Ingress traffic |
>> New Linux Foundation CKA Mock Test <<
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NEW QUESTION # 24
A bootstrap USB flash drive has been prepared using a Windows workstation to load the initial configuration of a Palo Alto Networks firewall that was previously being used in a lab. The USB flash drive was formatted using file system FAT32 and the initial configuration is stored in a file named init-cfg.txt. The firewall is currently running PAN-OS 10.0 and using a lab config. The contents of init-cgf.txt in the USB flash drive are as follows:
type=dhcp-client
Ip-address=
default-gateway=
netmask=
Ipv6-address=
Ipv6-default-gateway=
hostname=Ca-FW-DC1
panorama-server=10.5.107.20
panorama-server-2=10.5.107.21
tplname=FINANCE_TG4
dgname=finance_dg
dns-primary=10.5.6.6
dns-secondary=10.5.6.7
op-command-modes-multi-vsys.jumbo-frame
dhcp-send-hostname=yes
dhcp-send-client-id=yes
dhcp-accept-server-hostname=yes
dhcp-accept-server-domain=yes
The USB flash drive has been inserted in the firewalls' USB port, and the firewall has been restarted using command> request restart system Upon restart, the firewall fails to begin the bootstrapping process. The failure is caused because:
Answer: C
NEW QUESTION # 25
You are tasked with securing a Kubernetes cluster by implementing RBAC. Your cluster has two namespaces: 'dev' and 'prod'. You need to create a role that allows users in the 'dev' namespace to create, delete, and list deployments, but only read-only access to deployments in the 'prod' namespace. Additionally, these users should have access to create and manage ConfigMaps within both namespaces.
Create the necessary RBAC resources (Role, RoleBinding) to implement this access control policy.
Answer:
Explanation:
See the solution below with Step by Step Explanation.
Explanation:
Solution (Step by Step) :
Step 1: Create a Role for the 'dev' namespace.
Step 2: Create a Role for the 'prod' namespace.
Step 3: Create a RoleBinding in the 'dev' namespace.
Step 4: Create a RoleBinding in the 'prod' namespace.
Step 5: Apply the YAML files to the cluster.
Now, the 'dev-user' can create, delete, and list deployments within the 'dev' namespace. They can only view deployments in the 'prod' namespace. They can also create and manage ConfigMaps in both namespaces.
NEW QUESTION # 26
A Kubernetes worker node, named wk8s-node-0 is in state NotReady. Investigate why this is the case, and perform any appropriate steps to bring the node to a Ready state, ensuring that any changes are made permanent.
You can ssh to the failed node using:
[student@node-1] $ | ssh Wk8s-node-0
You can assume elevated privileges on the node with the following command:
[student@w8ks-node-0] $ | sudo -i
Answer:
Explanation:
See the solution below.
Explanation
solution
NEW QUESTION # 27
Schedule a Pod as follows:
. Name: kucc1
. App Containers : 2
. Container Name/Images :
* redis
* Memcached
Answer:
Explanation:
A screen shot of a computer AI-generated content may be incorrect.
NEW QUESTION # 28
For this item, you will havetosshto the nodesik8s-master-0andik8s-node-0and complete all tasks on thesenodes. Ensure that you return tothe base node (hostname:node-1) when you havecompleted this item.
Context
As an administrator of a smalldevelopment team, you have beenasked to set up a Kubernetes clusterto test the viability of a newapplication.
Task
You must usekubeadmto performthis task. Anykubeadminvocationswill require the use of the
--ignore-preflight-errors=alloption.
* Configure thenodeik8s-master-Oas a masternode. .
* Join the nodeik8s-node-otothe cluster.
Answer:
Explanation:
See the solution below.
Explanation
solution
You must use thekubeadmconfiguration file located at when initializingyour cluster.
You may use any CNI pluginto complete this task, but ifyou don't have your favouriteCNI plugin's manifest URL athand, Calico is one popularoption:https://docs.projectcalico.org/v3.14/manifests/calico.yaml Docker is already installedon both nodes and hasbeen configured so that you caninstall the required tools.
NEW QUESTION # 29
......
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