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RedHat EX280 Exam Syllabus Topics:

Section	Weight	Objectives
Work with Kubernetes Resources	25%	- Manage configuration data 1. Create and use ConfigMaps 2. Create and use Secrets - Query, filter and modify resource attributes 1. Import/export and configure manifests 2. Use labels, selectors and annotations
Manage OpenShift Container Platform	20%	- Manage and configure clusters via web console and CLI 1. Examine cluster status and resources 2. Monitor events, alerts and logs 3. Create and delete projects - Work with container images 1. Manage image streams and registries 2. Locate, identify and examine images
Deploy and Manage Applications	25%	- Manage application lifecycles 1. Update and rollback deployments 2. Manage replica sets and scaling - Deploy applications from multiple sources 1. Use YAML manifests, templates and Helm charts 2. Use Kustomize and overlays
Configure Networking and Access	15%	- Expose services externally 1. Control ingress and network policies 2. Create and manage routes - Troubleshoot software-defined networking
Manage Authentication and Authorization	15%	- Manage users, groups and permissions 1. Assign roles and adjust access rights 2. Create/delete users and modify passwords - Configure identity providers 1. Set up HTPasswd and other providers

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RedHat Red Hat Certified Specialist in OpenShift Administration exam Sample Questions (Q21-Q26):

NEW QUESTION # 21
Configure quotas
Configure your OpenShift cluster to use quotas in the manhattan project with the following requirements:
The name of the ResourceQuota resource is: ex280-quota
The amount of memory consumed across all containers may not exceed 1Gi
The total amount of CPU usage consumed across all containers may not exceed
2 full cores
The maximum number of replication controllers does not exceed 3 The maximum number of pods does not exceed 3 The maximum number of services does not exceed 6

Answer:

Explanation:
See the solution below in Explanation.
Explanation:
Solution:
$ oc project manhattan
$ oc create quota ex280-quota -- hard=memory=1Gi,cpu=2,pods=3,services=6,replicationcontrollers=3
$ oc get resourcequota

NEW QUESTION # 22
Use Secret in Monday Project
Task information Details:
Use the secret created earlier as environment variables in deployment monday .

Answer:

Explanation:
See the solution below in Explanation.
Explanation:
Solution:
* Switch to the correct project if needed:
oc project monday
* Inject environment variables from the secret:
oc set env deployment/monday --from=secret/magic
* Verify:
oc set env deployment/monday --list
oc describe deployment monday
Notes:
* The uploaded lab references secret/file-secret, but Task 8 clearly intends the secret to be named magic .
* In a real exam, match the actual secret name present in the cluster.
This task tests secret consumption by workloads through environment variable injection.

NEW QUESTION # 23
Configure a service account
Configure a service account in the apples project to meet the following requirements:
The name of the account is ex280sa
The account allows pods to be run as any available user

Answer:

Explanation:
See the solution below in Explanation.
Explanation:
Solution:
$ oc project apples
$ oc create sa ex280sa
$ oc adm policy add-scc-to-user anyuid -z ex280sa

NEW QUESTION # 24
Create Resource Quota for Project Rocky
Task information Details:
Use project rocky and create a quota named rocky-quota with limits for CPU, memory, pods, services, replication controllers, and secrets.

Answer:

Explanation:
See the solution below in Explanation.
Explanation:
Solution:
* Ensure the project exists and switch to it:
oc new-project rocky
oc project rocky
* Create the quota:
oc create quota rocky-quota \
--hard=limits.cpu=2,limits.memory=1Gi,pods=3,services=6,replicationcontrollers=6,secrets=6
* Verify:
oc get resourcequota -n rocky
oc describe quota rocky-quota -n rocky
Notes:
* The lab text uses cpu=2,memory=1G and secret=6; in real OpenShift usage, the more reliable forms are limits.cpu, limits.memory, and secrets.
* If the exam specifically expects the exact resource names shown in the lab environment, use what the cluster accepts.
This task checks quota enforcement and namespace resource governance.

NEW QUESTION # 25
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 # 26
......

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