D-PST-OE-23 Sample Questions & Answers
Four areas tie for the top weight: managing block, file and VMware storage, and replicating it remotely, alongside migration-feature mechanics, user and host-group administration, and basic system use cases or architecture.
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- Question 1Advanced
PowerStore VMware Provisioning · Apply a protection policy to a virtual machine created on a vVol
A hospital is deploying a new electronic health record (EHR) system on a vSphere cluster backed by a PowerStore T array using vVols. To comply with data retention policies, the administrator creates a Protection Policy in PowerStore Manager with a rule to take snapshots every 4 hours and retain them for 7 days. This policy is then assigned to the VMs through a vSphere storage policy. After two weeks, an audit reveals that snapshots older than 7 days are still present on the array for these VMs. What is the most likely cause?
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Correct answer: A
PowerStore protection policies only manage the lifecycle of snapshots they create. If a vSphere administrator takes a manual snapshot through vCenter (e.g., 'Take Snapshot...' action), that snapshot is not under the control of the PowerStore policy's retention rules. These manual or third-party snapshots must be managed and deleted separately and will persist indefinitely until manually removed.
- Question 2Intermediate
PowerStore Remote Protection · Manage remote replication of block storage resources
An administrator needs to perform maintenance on a primary PowerStore array that is part of a Metro Volume configuration. The goal is to non-disruptively move the active workload for a specific vSphere datastore to the secondary array. Which action should the administrator perform in vCenter Server?
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Correct answer: D
For a planned maintenance event with Metro Volume, the correct procedure is to perform a non-disruptive workload move by changing the preferred site. This is done within the vCenter UI by right-clicking the Metro Volume datastore and setting the preferred site to the secondary location. This action coordinates with the PowerStore arrays to switch the I/O path without interrupting VM operations.
- Question 3Intermediate
PowerStore Migration · Describe the PowerStore Migration feature and process
A university is using the PowerStore import feature to migrate data from a legacy Dell EMC VNX2 array. The administrator has successfully discovered the source array and created an import session for a set of LUNs. The migration is in the 'Ready to Cutover' state. What is the status of the host I/O path at this stage of the process?
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Correct answer: C
The PowerStore import process is designed to be non-disruptive. Until the final cutover step is initiated, all host I/O continues to be served exclusively by the source array (the VNX2). The 'Ready to Cutover' status indicates that the initial data synchronization is complete, but the I/O path has not yet been switched. The cutover is the final, user-initiated step that redirects host I/O to the PowerStore.
- Question 4Beginner
PowerStore Concepts and Features · Identify the PowerStore system configurations and models
Which PowerStore model family is characterized by a container-based architecture that allows for the deployment of applications directly on the array via AppsON?
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Correct answer: B
PowerStore X models are distinguished by their integrated VMware ESXi hypervisor, enabling the AppsON capability. This allows users to run virtualized applications directly on the storage array, which is ideal for data-intensive workloads or edge deployments where consolidating compute and storage is beneficial. PowerStore T models are unified storage arrays that do not have the embedded hypervisor.
- Question 5Intermediate
PowerStore Administration · Create and administer management users on PowerStore
An administrator is creating a new local user account on a PowerStore array. They need to assign a role that allows the user to provision and manage storage resources (volumes, file systems) and manage host connectivity, but PREVENTS the user from managing user accounts or system settings. Which built-in role is the most appropriate choice?
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Correct answer: B
The 'Storage Administrator' role is specifically designed for this purpose. It grants permissions to manage all storage-related objects like volumes, file systems, protection policies, and host mappings. However, it does not include permissions for system-level configuration, user management, or network settings, which are reserved for the 'Administrator' role. This adheres to the principle of least privilege.
- Question 6Intermediate
PowerStore VMware Provisioning · Configure VMware storage
A large enterprise is using PowerStore for their VMware environment. The vSphere administrators require visibility into the PowerStore array's performance and capacity directly within vCenter. They also need the ability to provision PowerStore storage without leaving the vCenter interface. Which VMware integration component must be deployed to provide this functionality?
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Correct answer: B
The Dell EMC Virtual Storage Integrator (VSI) is a vCenter plugin that provides a single management pane for vSphere administrators. It allows them to view, manage, and provision PowerStore storage directly from the vCenter client. This includes tasks like creating datastores, viewing performance metrics, and managing data protection, streamlining workflows for the VMware team.
- Question 7Intermediate
PowerStore File Provisioning · Manage client access to file storage resources
An administrator has configured a PowerStore NAS server for file sharing. After creating a new file system and an SMB share, Windows users report that they can connect to the share but cannot create or modify files. The administrator has verified that the users are members of the correct Active Directory group, and this group has been granted 'Full Control' on the SMB share permissions. What is the most likely remaining issue?
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Correct answer: B
Access to an SMB share is determined by the most restrictive of two sets of permissions: the share-level permissions and the file system-level (NTFS) permissions. Even if the share permissions are set to 'Full Control', if the underlying file system's Access Control List (ACL) does not grant the user or group write access, they will be unable to modify content. The administrator must also set the appropriate permissions on the file system itself.
- Question 8Beginner
PowerStore Block Provisioning · Manage block storage
A new administrator is reviewing a PowerStore T series system and discovers several Volume Groups. What is the primary operational benefit of organizing volumes into a Volume Group?
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Correct answer: C
The primary purpose of a Volume Group is to manage multiple volumes as a single entity for data protection. When a snapshot is taken of a Volume Group, crash-consistent snapshots of all member volumes are created at the exact same point in time. This is critical for applications like databases that spread data across multiple volumes (e.g., for data, logs, and indexes) and require a consistent recovery point.
- Question 9Advanced
PowerStore File Provisioning · Manage file storage
A financial company wants to use a PowerStore file system for an archive solution that requires WORM (Write Once, Read Many) capabilities for compliance. The administrator needs to enable File-Level Retention (FLR). What is a mandatory prerequisite before FLR can be enabled on a file system?
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Correct answer: B
File-Level Retention is a permanent setting that fundamentally changes how the file system operates to ensure data immutability. Because of this, it must be enabled during the creation of the file system. It is not possible to enable FLR on an existing file system that was created without it, nor is it possible to disable FLR once it has been enabled.
- Question 10AdvancedSelect 2
PowerStore VMware Provisioning · Describe and configure intercluster virtual machine migration (vMotion)
After a regional power outage, an ESXi host in a stretched vSphere cluster loses connectivity to its local PowerStore array, which is part of a Metro Volume configuration. The VMs on that host automatically restart on other hosts at the surviving site. Which technologies are primarily responsible for this automated recovery? (Select TWO)
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Correct answers: A, C
PowerStore Metro Volume provides the synchronous, active/active storage, ensuring that an identical, up-to-date copy of the datastore is available at the surviving site for the VMs to use immediately.
vSphere HA is the VMware technology that detects the failure of the ESXi host (due to the power outage) and automatically restarts its registered VMs on the remaining available hosts in the cluster.
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