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| Certification Vendor: | Red Hat |
|---|---|
| Exam Name: | Red Hat Certified Specialist in OpenShift Administration exam |
| Exam Number: | EX280 |
| Real Exam Qty: | not publicly disclosed (performance-based hands-on lab) |
| Exam Duration: | 180 minutes |
| Passing Score: | not publicly disclosed |
| Related Certifications: | Red Hat Certified Architect (RHCA) Red Hat Certified Specialist in OpenShift Application Development |
| Available Languages: | Japanese, English, Chinese |
| Exam Format: | Performance-based hands-on lab, No multiple choice questions, Command-line interface |
| Exam Price: | USD 400 |
| Certificate Validity Period: | 3 years |
| Sample Questions: | RedHat EX280 Sample Questions |
| Exam Way: | In-person at Red Hat testing centers or online proctored exam |
| Pre Condition: | Recommended: Red Hat OpenShift Administration I (DO280) course or equivalent experience with containers, Kubernetes, and OpenShift |
| Official Syllabus URL: | https://www.redhat.com/en/services/certification/ex280 |
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The Red Hat EX280 Certification Exam is designed for professionals who want to demonstrate their expertise in OpenShift Administration. OpenShift is a container application platform that enables organizations to develop, deploy, and manage applications efficiently. Red Hat Certified Specialist in OpenShift Administration exam certification exam measures the candidate's ability to perform various OpenShift administrative tasks, including installation, configuration, and troubleshooting.
The Red Hat EX280 Certification Exam is a performance-based exam that requires candidates to complete real-world tasks in a simulated OpenShift environment. EX280 exam consists of a series of hands-on exercises that test the candidate's ability to perform common OpenShift Administration tasks. EX280 exam is timed and candidates must complete all tasks within the allotted time to pass the exam.
NEW QUESTION # 30
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 # 31
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 # 32
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 # 33
Configure groups
Configure your OpenShift cluster to meet the following requirements: The user account armstrong is a member of the commander group The user account collins is a member of the pilot group The user account aldrin is a member of the pilot group Members of the commander group have edit permission in the apollo project Members of the pilot group have view permission in the apollo project
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
Solution:
$ oc adm groups new commander
$ oc adm groups new pilot
$ oc adm groups add-users commander armstrong
$ oc adm groups add-users pilot collins
$ oc adm groups add-users pilot aldrin
$ oc adm policy add-role-to-group edit commander -n apollo
$ oc adm policy add-role-to-group view pilot -n apollo
NEW QUESTION # 34
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 # 35
......
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