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| Section | Objectives |
|---|---|
| Security and Troubleshooting | - Security management
|
| Cluster Administration | - Resource management
|
| Storage and Persistence | - Persistent storage configuration
|
| Networking and Ingress | - Cluster networking
|
| OpenShift Cluster Installation and Configuration | - Cluster setup and installation verification
|
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NEW QUESTION # 24
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 # 25
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 # 26
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 # 27
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 # 28
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 # 29
......
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