EX288 Exam Preparation Material | Red Hat Certified OpenShift Application Developer exam

Prepare for the EX288 with reliable study materials, practice questions, and key exam insights.

Prepare for the EX288 Red Hat Certified OpenShift Application Developer exam with CertQueen's independently developed study resources. Review important concepts, practice scenario-based questions, and use clear explanations to identify areas that require further study.

Question#1

What role is assigned by default to the user who creates a project in OpenShift?

A. admin
B. cluster-admin
C. project-owner
D. editor

Explanation:
The admin role is assigned by default to the project creator, giving them full control over project resources without cluster-level permissions.

Question#2

What command retrieves detailed information about a specific image stream?

A. oc describe imagestream <name>
B. oc get image <name>
C. oc show imagestream <name>
D. oc describe build <name>

Explanation:
The oc describe imagestream command provides detailed information about an image stream, including associated tags and repository details.

Question#3

How can you restrict resource usage within an OpenShift project? (Choose two.)

A. Use ResourceQuotas
B. Use LimitRanges
C. Use NetworkPolicies
D. Use PodSecurityPolicies

Explanation:
ResourceQuotas and LimitRanges restrict resource usage, ensuring fair allocation and preventing resource exhaustion in OpenShift projects.

Question#4

Which command logs in to the OpenShift internal registry for pushing images?

A. oc registry login
B. oc login --registry
C. podman login
D. docker login

Explanation:
The podman login command logs in to the OpenShift internal registry when authentication credentials are properly configured.

Question#5

How can you manage an application deployment using the OpenShift web console? (Choose two.)

A. Modify environment variables
B. Scale replicas up or down
C. Create custom monitoring agents
D. Rebuild the application image

Explanation:
The web console allows real-time scaling and environment variable management, making it convenient for managing deployments.

Exam Code: EX288
Q & A: 120 Q&As         Updated:  Oct 07,2026

 

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What This EX288 Study Resource Helps You Do

Review Key Concepts

Review the technologies, products, processes, and practical skills covered by the current EX288 exam objectives.

Practice Scenario-Based Questions

Work through independently developed questions designed to strengthen your understanding of technical scenarios and decision-making.

Identify Knowledge Gaps

Use your results and the provided explanations to find weaker areas and focus your study more effectively.

How to Use This EX288 Preparation Material

Review the Exam Scope

Start by reviewing the topics covered by the EX288 exam. Compare them with the official exam objectives to understand the required technologies, operational tasks, and practical skills, then identify the areas that deserve the most attention.

Practice Independently

Complete a focused set of practice questions for each topic. On your first attempt, avoid referring to notes, answers, or other study resources so that you can evaluate your current understanding more accurately.

Study the Explanations

Review the answers and explanations after completing each practice session. Understand why the correct option is appropriate for the given scenario and why the other options may be incorrect or less suitable.

Close Knowledge Gaps

Keep track of incorrect answers, unfamiliar concepts, and weaker knowledge areas. Review these topics using official documentation and practical experience, then answer the related questions again to reinforce your understanding and monitor your progress.

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