Use EX288 Dumps to Obtain RedHat Certification

If you're serious about obtaining the Red Hat Certified OpenShift Application Developer certification, practicing with RedHat EX288 dumps questions is a must. By doing so, you'll become familiar with the exam format, identify knowledge gaps, develop time management skills, boost your confidence, and increase your chances of success. So, start practicing EX288 exam dumps today and give yourself the best chance of passing the EX288 exam! Test free Red Hat Certified OpenShift Application Developer exam EX288 exam dumps below.

Page 1 of 4

1. What type of health probe should you use to ensure an application is fully initialized before starting other processes?

Liveness Probe

Readiness Probe

Startup Probe

Initialization Probe

 Loading...

2. What command adds a liveness probe to an existing deployment in OpenShift?

oc set probe --liveness

oc add probe --liveness

oc configure probe

oc set probe

 Loading...

3. Which OpenShift component exposes services to external traffic over HTTPS?

Routes

Services

Ingress

Persistent Volumes

 Loading...

4. Which configuration file in Git specifies repository-level settings?

.gitignore

.gitconfig

.gitsettings

config.yml

 Loading...

5. How do you ensure that a build configuration uses the latest version of a base image? (Choose two.)

Enable Image Change Triggers in the BuildConfig

Set the latest tag in the from field of the build strategy

Manually rebuild the image

Use a webhook to trigger updates

 Loading...

6. Which command adds environment variables to a deployment configuration in OpenShift?

oc set env

oc add env

oc configure env

oc update config

 Loading...

7. What is the purpose of a readiness probe in a multi-container application? (Choose two.)

Verify the application is responsive

Ensure the container restarts automatically

Confirm readiness to handle traffic

Check the container's initial startup state

 Loading...

8. Which type of deployment ensures zero downtime during application updates in OpenShift?

Recreate Deployment

Rolling Deployment

Blue-Green Deployment

Canary Deployment

 Loading...

9. Which of the following ensures secure image pulling from OpenShift's internal registry? (Choose two.)

Assigning pull secrets to service accounts

Configuring resource quotas

Creating ImageStreams

Setting proper access controls

 Loading...

10. How do you retrieve logs for a running build in OpenShift?

oc get build-logs

oc describe build

oc logs build/

kubectl get build-logs

 Loading...

Page 2 of 4

11. What does the oc adm prune builds command do?

Deletes failed builds

Removes old builds based on retention policies

Prunes unused image streams

Cleans up build configurations

 Loading...

12. 1.Which command creates a new project in OpenShift?

oc create project

oc new-project

oc create ns

kubectl create namespace

 Loading...

13. What is the purpose of the values.yaml file in a Helm chart? (Choose two.)

Store default configuration values

Define metadata about the chart

Override default template values

Set image pull secrets

 Loading...

14. What is the primary purpose of the .gitignore file in Git?

To prevent untracked files from being deleted

To ignore specific files from being added to a repository

To restrict access to the repository

To track changes to ignored files

 Loading...

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

Use ResourceQuotas

Use LimitRanges

Use NetworkPolicies

Use PodSecurityPolicies

 Loading...

16. Which OpenShift resource allows you to define CPU and memory resource limits for a pod?

ResourceQuota

LimitRange

PodSecurityPolicy

ConfigMap

 Loading...

17. How can you monitor application logs using the web console in OpenShift?

Navigate to the Project Logs tab

Use the Logs tab within the specific pod details

Open the Monitoring dashboard

Use the Configurations section

 Loading...

18. What does the oc get bc command display in OpenShift?

Build logs

Build configurations

Image streams

Completed builds

 Loading...

19. Which type of resource does OpenShift use to monitor deployment configurations?

Pods

Deployments

ReplicaSets

Controllers

 Loading...

20. What OpenShift feature allows controlling external traffic to applications?

Routes

Services

ReplicaSets

ConfigMaps

 Loading...

Page 3 of 4

21. What is the purpose of the patchesStrategicMerge field in Kustomize?

To apply selective updates to resources

To merge ConfigMaps dynamically

To generate new resources

To transform Kubernetes objects

 Loading...

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

Modify environment variables

Scale replicas up or down

Create custom monitoring agents

Rebuild the application image

 Loading...

23. What resource in OpenShift stores user credentials securely?

ConfigMaps

Secrets

Routes

Pods

 Loading...

24. What does a ConfigMap store in OpenShift?

Secrets

Binary files

Non-confidential key-value pairs

Docker images

 Loading...

25. What is the primary purpose of the OpenShift internal image registry?

To store public Docker images

To provide a private storage location for container images

To act as a caching proxy for external registries

To facilitate automated pod scaling

 Loading...

26. Which Kustomize field specifies the directory containing base configurations?

resources

bases

overlays

paths

 Loading...

27. What is the purpose of the OpenShift BuildConfig output field?

To specify the output location for logs

To define where the built image will be stored

To configure deployment targets

To set resource limits for the build

 Loading...

28. Which Kustomize feature allows creating environment-specific customizations? (Choose two.)

Overlays

Bases

Templates

Profiles

 Loading...

29. What does the Source-to-Image (S2I) build process in OpenShift do?

Converts Kubernetes manifests into images

Creates an image from source code and a builder image

Configures resource limits for pods

Automates application scaling

 Loading...

30. How can you publish an image from OpenShift to an external Docker registry?

Use docker push after logging in to the registry

Use oc image push

Use oc tag and then podman push

Use kubectl push

 Loading...

Page 4 of 4

31. Which component of OpenShift enables CI/CD integration for application builds?

Jenkins Pipelines

Pod Templates

Persistent Volumes

ReplicaSets

 Loading...

32. Which command validates a Helm chart before deployment?

helm lint

helm test

helm verify

helm check

 Loading...

33. What is the purpose of a custom builder workflow in OpenShift?

To deploy applications with multiple pods

To create a container image using non-standard build processes

To configure resource limits for image builds

To automate application scaling

 Loading...

34. Which OpenShift command creates a new image stream for a custom image?

oc create imagestream

oc new-build

oc new-app

oc create registry

 Loading...

35. How can you ensure traffic is directed only to healthy pods in OpenShift?

Use Readiness Probes

Use Liveness Probes

Use Horizontal Pod Autoscaler

Use PodAntiAffinity

 Loading...

36. Which command in OpenShift tags an image for deployment?

oc tag : :

oc set tag

oc deploy image

kubectl tag :

 Loading...

 Loading...