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| Certification Vendor: | Red Hat |
|---|---|
| Exam Name: | Red Hat Certified Specialist in OpenShift Administration Exam (EX280) |
| Exam Number: | EX280 |
| Real Exam Qty: | Performance-based (no fixed number of questions) |
| Certificate Validity Period: | 3 years |
| Available Languages: | English |
| Related Certifications: | Red Hat Certified Specialist in Containers and Kubernetes Red Hat Certified System Administrator (RHCSA) Red Hat Certified Engineer (RHCE) |
| Exam Format: | Performance-based lab exam |
| Exam Price: | USD 400 (varies by region) |
| Passing Score: | 210/300 |
| Exam Duration: | 150 minutes |
| Recommended Training: | DO180 - Introduction to Kubernetes and OpenShift DO280 - Red Hat OpenShift Administration II: Operating a Production Kubernetes Cluster |
| Exam Registration: | EX280 Exam Page Red Hat Certification Catalog |
| Sample Questions: | RedHat EX280 Sample Questions |
| Exam Way: | Online or onsite performance-based exam in a live OpenShift environment |
| Pre Condition: | Recommended experience with Linux administration and Kubernetes/OpenShift fundamentals (RHCSA or equivalent knowledge recommended) |
| Official Syllabus URL: | https://www.redhat.com/en/services/certification/ex280-red-hat-certified-specialist-openshift-administration |
>> RedHat EX280 Exam Certification <<
The Red Hat Certified Specialist in OpenShift Administration exam (EX280) practice questions (desktop and web-based) are customizable, meaning users can set the questions and time according to their needs to improve their discipline and feel the real-based exam scenario to pass the RedHat EX280 Certification. Customizable mock tests comprehensively and accurately represent the actual Red Hat Certified Specialist in OpenShift Administration exam (EX280) certification exam scenario.
The RedHat EX280 exam is intended for professionals who have experience working with OpenShift and want to validate their skills. EX280 exam is a performance-based exam that evaluates the candidate's ability to perform real-world OpenShift administrative tasks. EX280 Exam consists of multiple-choice questions and hands-on lab exercises that simulate real-world scenarios. EX280 exam is conducted in a proctored environment and can be taken either in-person or online.
NEW QUESTION # 28
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 # 29
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 # 30
Configure an identity provider
Configure your OpenShift cluster to use an HTPasswd identity provider with the following requirements:
The name of the identity provider is: ex280-htpasswd The name of the secret is: ex280-idp-secret The user account armstrong=indionce The user account collins=veraster The user account aldrin=roonkere The user account jobs=sestiver The user account wozniak=glegunge
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
Solution:
$ sudo yum install httpd-tools -y
$ htpasswd -c -B -b htpasswd-file-upload armstrong indionce
$ htpasswd -B -b htpasswd-file collins veraster
$ htpasswd -B -b htpasswd-file aldrin roonkere
$ htpasswd -B -b htpasswd-file jobs sestiver
$ htpasswd -B -b htpasswd-file wozniak glegunge
$ oc create secret generic ex280-idp-secret --from-file
htpasswd=htpasswd-file -n openshift-config
$ oc get oauth/cluster -o yaml > oauth.yaml
$ vim oauth.yaml
$
esc-- > type :set paste -- > enter -- > insert -- > then paste the content for correct indent pasting spec:
identityProviders:
- name: ex280-htpasswd mappingMethod: claim type: HTPasswd htpasswd:
fileData:
name: ex280-idp-secret
$ oc replace -f oauth.yaml
$ oc login -u armstrong -p indionce
$ oc login -u collins -p veraster
$ oc login -u aldrin roonkere
$ oc login -u jobs sestiver
$ oc login -u wozniak -p glegunge
#This below part of operation is completely optional and done just for handy login purpose
$ alias _kube="oc login -u kubeadmin -p ${kube_pass} ${api_url}"
$ alias _armstrong="oc login -u armstrong -p ${armstrong}
${api_url}"
$ alias _collins="oc login -u collins -p ${collins} ${api_url}"
$ alias _aldrin="oc login -u aldrin -p ${aldrin} ${api_url}"
$ alias _jobs="oc login -u jobs -p ${jobs} ${api_url}"
$ alias _wozniak="oc login -u wozniak -p ${wozniak} ${api_url}"
$ _armstrong;_armstrong;_collins;_aldrin;_jobs;_wozniak;
NEW QUESTION # 31
Scale an application automatically
Automatically scale the hydra application deployment configuration in the lerna project with the following requirements:
Minimum number of replicas: 6 Maximum number of replicas: 9
Target average CPU utilization: 60 percent Container CPU resource request: 25m Container CPU resource limit: 100m
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
Solution:
$ oc project lerna
$ oc get pods
$ oc get all | grep deployment
$ oc autoscale deployment.apps/hydra --max=9 --min=6 --cpu-percent=60
$ oc get hpa
$ oc set resources deployment.apps/hydra --limits=cpu=100m -- requests=cpu=25m
$ oc describe deployment.apps/hydra | grep Limits -A3
NEW QUESTION # 32
Managing Group
Task information Details:
Create the groups site-users and guest-users .
Add qwerty to guest-users .
Add harry and susan to site-users .
Grant edit to site-users on test .
Grant view to guest-users on demo .
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
Solution:
* Create the groups:
oc adm groups new site-users
oc adm groups new guest-users
* Add users to groups:
oc adm groups add-users guest-users qwerty
oc adm groups add-users site-users harry susan
* Grant edit role on test to site-users:
oc policy add-role-to-group edit site-users -n test
* Grant view role on demo to guest-users:
oc policy add-role-to-group view guest-users -n demo
* Verify:
oc get groups
oc describe group site-users
oc describe group guest-users
oc get rolebinding -n test
oc get rolebinding -n demo
This task measures practical administration of OpenShift groups and project-scoped RBAC assignments.
NEW QUESTION # 33
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