EX370 Sample Questions & Answers
Free Red Hat Certified Specialist In OpenShift Data Foundation practice questions with worked answers and explanations. See how the ExamJungle simulator prepares you — then jump into the full test.
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Real questions from the Red Hat Certified Specialist In OpenShift Data Foundation practice test — answers and explanations included. Showing 6 of 12 free samples.
- Question 1
During a routine check, you notice that an OSD (Object Storage Daemon) pod is in a
CrashLoopBackOffstate. After inspecting the logs, you suspect a physical drive failure. Which OpenShift CLI command sequence is appropriate to identify the failed device associated with the OSD?Show answer & explanation
Correct answer: A
To identify the failed OSD, you first locate the OSD pods. Then, accessing the Ceph tools pod (or executing via the operator) allows you to run
ceph osd treeto see which OSD ID isdown. You can then map this ID to the physical device UUID in the OSD pod description or PV. - Question 2Select 2
An organization requires strict encryption for all data at rest within their OpenShift Data Foundation cluster. They want to manage the encryption keys using an external HashiCorp Vault. Which two actions are required to configure this? (Select TWO)
Show answer & explanation
Correct answers: A, B
ODF requires a Kubernetes Secret with specific keys (like address, token, etc.) to authenticate and communicate with the external KMS.
The
StorageClusterCustom Resource must be configured withencryption: trueand thekmssection pointing to the connection details for the external Vault. - Question 3
True or False: When using the OpenShift API for Data Protection (OADP) to back up applications backed by Ceph CSI volumes, you must have a Snapshot Controller installed and a VolumeSnapshotClass configured.
Show answer & explanation
Correct answer: A
True. OADP relies on the CSI snapshotting capabilities to take consistent backups of Persistent Volumes. This requires the Kubernetes Snapshot Controller and a valid VolumeSnapshotClass to mediate between the API and the Ceph storage backend.
- Question 4
A storage administrator wants to configure a BucketClass in the Multicloud Object Gateway to improve data resilience. The goal is to ensure that every object uploaded is immediately copied to two different cloud providers (AWS S3 and Azure Blob). Which policy type should be selected in the BucketClass definition?
Show answer & explanation
Correct answer: A
The 'Mirror' placement policy creates full copies of the data across the defined BackingStores. This ensures that if one provider is unavailable, the data is accessible from the other.
- Question 5
You are expanding an internal mode OpenShift Data Foundation cluster. You have added three new worker nodes to the OpenShift cluster, each with appropriate raw disks. You want ODF to use these new nodes to expand capacity. What is the correct sequence of actions?
Show answer & explanation
Correct answer: A
ODF uses labels to identify which nodes are part of the storage cluster. Labeling the new nodes ensures the operator targets them. Depending on the deployment strategy (auto-discovery vs manual), you may then need to update the StorageCluster to reflect the intention to scale.
- Question 6
Which Prometheus alert would most likely trigger if the available storage capacity in the ODF cluster drops below 15%?
Show answer & explanation
Correct answer: A
The
CephClusterNearFullalert typically triggers when storage utilization reaches a warning threshold (often 75% or 85% full), indicating that the cluster is approaching capacity limits.
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