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| Section | Weight | Objectives |
|---|---|---|
| Troubleshooting | 30% | - Understand how to monitor applications - Troubleshoot networking - Evaluate cluster and node logging - Manage container stdout & stderr logs - Troubleshoot cluster component failure - Troubleshoot application failure |
| Storage | 10% | - Understand Storage Classes and Persistent Volumes - Understand volume mode, access modes and reclaim policies - Understand persistent volume claims primitive - Understand how to configure applications with persistent storage |
| Services & Networking | 20% | - Use the Gateway API to manage Ingress traffic - Use ClusterIP, NodePort, LoadBalancer service types and endpoints - Know how to use Ingress controllers and Ingress resources - Define and enforce Network Policies - Understand and use CoreDNS - Understand connectivity between Pods |
| Cluster Architecture, Installation & Configuration | 25% | - Create and manage Kubernetes clusters using kubeadm - Understand extension interfaces (CNI, CSI, CRI, etc.) - Prepare underlying infrastructure for installing a Kubernetes cluster - Implement and configure a highly-available control plane - Use Helm and Kustomize to install cluster components - Understand CRDs, install and configure operators - Manage role based access control (RBAC) - Manage the lifecycle of Kubernetes clusters |
| Workloads & Scheduling | 15% | - Understand DaemonSets - Understand Static Pods - Understand Deployments and rolling update/rollback - Use ConfigMaps and Secrets to configure applications - Use label selectors to schedule Pods - Understand how to run multiple schedulers and configure scheduler policies - Understand how scheduler works - Understand resource limits and requests |
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NEW QUESTION # 81
Score: 4%
Task
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:
kubectl run kucc8 --image=nginx --dry-run -o yaml > kucc8.yaml
# vi kucc8.yaml
apiVersion: v1
kind: Pod
metadata:
creationTimestamp: null
name: kucc8
spec:
containers:
- image: nginx
name: nginx
- image: redis
name: redis
- image: memcached
name: memcached
- image: consul
name: consul
#
kubectl create -f kucc8.yaml
#12.07
NEW QUESTION # 82
Evict all existing pods from a node-1 and make the node unschedulable for new pods.
Answer: B
NEW QUESTION # 83
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 # 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:
See the solution below.
Explanation
solution
F:\Work\Data Entry Work\Data Entry\20200827\CKA\18 C.JPG
NEW QUESTION # 85
Configure the kubelet systemd- managed service, on the node labelled with name=wk8s-node-1, to launch a pod containing a single container of Image httpd named webtool automatically. Any spec files required should be placed in the /etc/kubernetes/manifests directory on the node.
You can ssh to the appropriate node using:
[student@node-1] $ ssh wk8s-node-1
You can assume elevated privileges on the node with the following command:
[student@wk8s-node-1] $ | sudo -i
Answer:
Explanation:
See the solution below.
Explanation
solution
NEW QUESTION # 86
......
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