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The Red Hat Certified Specialist in OpenShift Administration exam certification exam is based on Red Hat OpenShift Container Platform 4.5 and requires candidates to have a good understanding of containerization, Kubernetes, and OpenShift architecture. Red Hat Certified Specialist in OpenShift Administration exam certification is valid for three years, after which candidates need to recertify to maintain their certification status. The Red Hat Certified Specialist in OpenShift Administration (EX280) certification is a valuable asset for professionals who are looking to advance their careers in OpenShift administration and is recognized as a reliable measure of knowledge and skills in the IT industry.
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The Red Hat EX280 certification exam is an essential step to becoming a Red Hat Certified Specialist in OpenShift Administration. Red Hat Certified Specialist in OpenShift Administration exam certification allows IT professionals to validate their skills in OpenShift Administration, demonstrate their expertise to potential employers, and stand out in the job market. With the help of Red Hat's training courses and resources, candidates can prepare for the exam and take their first step towards a successful career in OpenShift Administration.
To achieve the Red Hat Certified Specialist in OpenShift Administration certification, candidates must pass the EX280 Exam. EX280 exam consists of 50 multiple-choice questions and is two and a half hours long. Candidates must score 70% or higher to pass the exam. EX280 exam can be taken in a testing center or remotely via a secure online proctoring system.
NEW QUESTION # 26
Create LimitRanges for Project Darpa
Task information Details:
Switch to project darpa and create a LimitRange with Pod and Container minimums and maximums of CPU and memory, plus default container values.
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
Solution:
* Switch to the target project:
oc project darpa
* Create a YAML file, for example limitrange.yaml:
apiVersion: v1
kind: LimitRange
metadata:
name: darpa-limits
namespace: darpa
spec:
limits:
- type: Pod
max:
cpu: 300m
memory: 300Mi
min:
cpu: 5m
memory: 5Mi
- type: Container
max:
cpu: 300m
memory: 300Mi
min:
cpu: 5m
memory: 5Mi
default:
cpu: 100m
memory: 100Mi
* Apply it:
oc apply -f limitrange.yaml
* Verify:
oc get limitrange -n darpa
oc describe limitrange darpa-limits -n darpa
This task validates namespace-level defaulting and constraint policies for pod scheduling and resource consumption.
NEW QUESTION # 27
Create a PV and PVC
Task information Details:
Create a PersistentVolume named landing-pv with 1Gi , ReadOnlyMany , NFS backend, and Retain reclaim policy.
Create a PersistentVolumeClaim named landing-pvc requesting 1Gi , ReadOnlyMany , and storage class nfs2 .
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
Solution:
* Create landing-pv.yaml:
apiVersion: v1
kind: PersistentVolume
metadata:
name: landing-pv
spec:
capacity:
storage: 1Gi
accessModes:
- ReadOnlyMany
nfs:
path: /open001
server: 192.168.2.2
persistentVolumeReclaimPolicy: Retain
* Apply it:
oc apply -f landing-pv.yaml
* Create landing-pvc.yaml:
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
name: landing-pvc
spec:
accessModes:
- ReadOnlyMany
resources:
requests:
storage: 1Gi
storageClassName: nfs2
* Apply it:
oc apply -f landing-pvc.yaml
* Verify:
oc get pv
oc get pvc
oc describe pv landing-pv
oc describe pvc landing-pvc
This task validates persistent storage provisioning and claim binding concepts.
NEW QUESTION # 28
Scale an application manually
Manually scale the minion application in the gru project to a total of 5 replicas.
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
Solution:
$ oc project gru
$ oc get pods
$ oc get all | grep deployment
$ oc scale --replicas=5 deployment.apps/minion
$ oc get pods
NEW QUESTION # 29
Create Secure Route in Quart Project
Task information Details:
Create an edge route named htquart for service httpd , using the specified hostname and TLS certificate/key files.
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
Solution:
* Switch to the quart project:
oc project quart
* Create the secure route:
oc create route edge htquart \
--service=httpd \
--hostname=quart.apps.ocp4.example.com \
--cert=./req.crt \
--key=./req.key
* Verify:
oc get route htquart
oc describe route htquart
* Test resolution and access if DNS is available:
curl -k https://quart.apps.ocp4.example.com
This task checks route exposure, TLS termination, and secure ingress administration.
NEW QUESTION # 30
Configure a secure route
Configure the oxcart application in the area51 project with the following requirements:
The application uses a route called oxcart
The application uses a CA signed certificate with the following subject fields:
/C=US/ST=NV/L=Hiko/O=CIA/OU=USAF/CN=classified.apps.domainxx.example.com The application is reachable only at the following address: https://classified.apps.domainxx.example.com The application produces output A utility script called newcert has been provided to create the CA signed certificate. You may enter the certificate parameters manually or pass the subject as a parameter.
Your certificate signing request will be uploaded to the CA where it will immediately be signed and then downloaded to your current directory.
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
Solution:
$ oc project area51
$ oc get pods
$ oc get all | grep deployment
$ oc get route
$ oc delete route oxcart
$ openssl genrsa -out ex280.key 2048
$ openssl req -new -key ex280.key -out ex280.csr -subj "/C=US/ST=NV/L=Hiko/O=CIA/OU=USAF
/CN=classified.apps.domainxx.example.com"
$ openssl x509 -req -in ex280.csr -signkey ex280.key -out ex280.crt
$ oc create route edge oxcart --service oxcart --key ex280.key --cert ex280.crt --hostname classified.apps.
domainxx.example.com
$ oc get route
$ oc get svc
NEW QUESTION # 31
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