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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Work with Kubernetes Resources | 25% | - Query, filter and modify resource attributes
|
| Topic 2: Manage Authentication and Authorization | 15% | - Configure identity providers
|
| Topic 3: Configure Networking and Access | 15% | - Troubleshoot software-defined networking - Expose services externally
|
| Topic 4: Manage OpenShift Container Platform | 20% | - Manage and configure clusters via web console and CLI
|
| Topic 5: Deploy and Manage Applications | 25% | - Manage application lifecycles
|
>> Latest EX280 Exam Questions Vce <<
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NEW QUESTION # 22
Create Project Template
Task information Details:
Generate the bootstrap project template, create it in openshift-config , update the cluster project configuration to use the template, and create a new project to validate it.
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
Solution:
* Generate the default template:
oc adm create-bootstrap-project-template -o yaml > template.yaml
* Review and edit template.yaml if required.
* Create the template in openshift-config:
oc create -f template.yaml -n openshift-config
* Edit the cluster project configuration:
oc edit project.config.openshift.io/cluster
* Add or update:
spec:
projectRequestTemplate:
name: project-request
* Save and exit.
* Create a test project:
oc new-project test123
* Verify the template behavior:
oc get project test123 -o yaml
Notes:
* The uploaded lab text shows projects.config.openshift.io cluster-admin; the standard resource is project.
config.openshift.io/cluster.
This task checks cluster-wide customization of new-project creation behavior.
NEW QUESTION # 23
Create Secret with Name Magic in Math Project
Task information Details:
Create a secret named magic in the math project that stores MYSQL_ROOT_PASSWORD=redhat .
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
Solution:
* Switch to the math project:
oc project math
* Create the secret:
oc create secret generic magic --from-literal=MYSQL_ROOT_PASSWORD=redhat
* Verify:
oc get secret magic
oc describe secret magic
Note:
* The uploaded lab text contains a typo --from-listeral; the valid option is --from-literal.
* The output in the lab also appears inconsistent. The intended secret name is magic .
This task checks secret creation and secure configuration data handling.
NEW QUESTION # 24
Configure project permissions
Configure your OpenShift cluster to meet the following requirements: The following projects exist:
apollo manhattan gemini bluebook titan
The user account armstrong is an administrator for project apollo and project gemini The user account wozniak can view project titan but not administer or delete it
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
Solution:
$ oc new-project apollo
$ oc new-project manhattan
$ oc new-project gemini
$ oc new-project bluebook
$ oc new-project titan
$ oc adm policy add-role-to-user admin armstrong -n apollo
$ oc adm policy add-role-to-user admin armstrong -n gemini
$ oc adm policy add-role-to-user view wozniak -n titan
NEW QUESTION # 25
Configure a secret
Configure a secret in the math project with the following requirements: The name of the secret is: magic The secret defines a key with name: decoder_ring The secret defines the key with value:
XpWy9KdcP3Tr9FFHGQgZgVRCKukQdrQsbcl0c2ZYhDk=
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
Solution:
$ oc project math
$ oc create secret generic magic --from-literal key=decoder_ring --from- literal value=XpWy9KdcP3Tr9FFHGQgZgVRCKukQdrQsbcl0c2ZYhDk=
$ oc get secret -n math
NEW QUESTION # 26
Configure limits
Configure your OpenShift cluster to use limits in the bluebook project with the following requirements:
The name of the LimitRange resource is: ex280-limits
The amount of memory consumed by a single pod is between 5Mi and 300Mi The amount of memory consumed by a single container is between 5Mi and
300Mi with a default request value of 100Mi
The amount of CPU consumed by a single pod is between 10m and 500m
The amount of CPU consumed by a single container is between 10m and 500m with a default request value of
100m
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
Solution:
$ vim limit.yaml
# Edit the yaml file like below mentioned
apiVersion: "v1" kind: "LimitRange" metadata:
name: "resource-limits" spec:
limits:
- type: "Pod"
max:
cpu: "500m" memory: "300Mi"
min:
cpu: "10m" memory: "5Mi"
- type: "Container" max:
cpu: "500m" memory: "300Mi"
min:
cpu: "10m" memory: "5Mi"
defaultRequest: cpu: "100m" memory: "100Mi"
$ oc create -f limit.yaml --save-config -n bluebook
$ oc describe limitranges -n bluebook
NEW QUESTION # 27
......
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