CKAD Storage and Persistence 2

Question 1

What does the 'Bound' status of a PersistentVolumeClaim indicate?

Accepted Answer

The PVC has been successfully matched and connected to a PV

Answer

A 'Bound' status means the PVC has been successfully matched to a PV that satisfies its storage requirements.

Question 2

Which access mode restricts a PersistentVolume to be mounted as read-write by only a single node at a time?

Accepted Answer

ReadWriteOnce (RWO)

Answer

ReadWriteOnce (RWO) restricts the volume to be mounted as read-write by a single node at a time.

Question 3

What must be included in a Pod spec to use a PersistentVolumeClaim for a container?

Accepted Answer

A volumeMount in the container and a volumes entry referencing the PVC

Answer

Using a PVC requires both a volumes entry at the Pod level referencing the PVC and a volumeMount in the container spec specifying the mount path.

Question 4

Which reclaim policy causes the underlying storage asset to be permanently deleted when a PVC is released?

Accepted Answer

Delete

Answer

The Delete reclaim policy removes both the PersistentVolume object and the associated storage asset when the PVC is deleted.

Question 5

Which volume type is automatically destroyed when all containers in a Pod exit?

Accepted Answer

emptyDir

Answer

An emptyDir volume is created when a Pod is assigned to a node and deleted when the Pod is removed, making it ephemeral.

CKAD - Certified Kubernetes Application Developer Practice Test