[2026] Free D-UN-OE-23 Exam Dumps to Pass Exam Easily [Q43-Q63]

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[2026] Free D-UN-OE-23 Exam Dumps to Pass Exam Easily

D-UN-OE-23 Exam Dumps, D-UN-OE-23 Practice Test Questions

EMC D-UN-OE-23 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Dell Unity Platform Concepts, Features, and Architecture	10%	– Unity architecture and system components 1. UnityVSA software-defined storage overview 2. Unity XT hardware components
Topic 2: Storage Efficiency, Scalability, and Performance	25%	– Performance optimization features 1. FAST Cache 2. Host I/O limits 3. FAST VP – Data efficiency features 1. Data reduction 2. File-level retention 3. File system quotas
Topic 3: System Administration	10%	– Management and monitoring interfaces 1. Unisphere GUI operations 2. System configuration and support settings
Topic 4: Storage Provisioning and Access	30%	– Host and client access management 1. ESXi integration 2. SMB and NFS file access 3. Host access control for block storage – Storage pools and provisioning 1. Block, file, and VMware datastore provisioning 2. Dynamic and traditional storage pools
Topic 5: Data Protection and Mobility	25%	– Protection mechanisms 1. Replication 2. Snapshots 3. Local LUN mobility

Q43. A storage administrator performs a monthly performance analysis of a Dell Unity XT storage array using CloudlQ insight reports. Three LUNs are set with a Host IO Limits policy The administrator discovers that the throughput IOPS on one LUN (Test_LUN) has increased by 1000 lOPS compared to the two previous months What is the cause of the spike in lOPS?

Test_LUN was expanded by 10o GB and a Density-based Host IO limit policy was set for all three LUNs.

Test_LUN was expanded by 100 GB and a Density-based Host IO limit policy was set only for Test_LUN.

Another Absolute Host lO limit policy with additional 10oo IOPS was set on Test_LUN.

Host IO limit of Test LUN was edited and the limit was increased by 1000 IOPS.

Q44. What are two features of a Dell UnityVSA Professional Edition license?

Professional Edition is covered by Dell support.

Applicable for Test and Development environments.

Supports UnityVSA Dual-SP HA deployment.

4 TB maximum capacity

Q45. Which feature differentiates Dell UnityVSA from traditional storage arrays?

Physical hardware components

Software-defined storage with flexible deployment

Limited to block storage

No NAS capability

Q46. A system engineer must provision one storage pool to include 14 Extreme Performance Drives, 6 Performance Drives, and 9 Capacity Drives. During the creation process in Unisphere, they notice that the Performance Tier is grayed out and shows only two unused drives.
What is the cause of this issue?

Drive Firmware must be updated.

Unity Management Software requires a refresh.

Drives must be reseated.

System drives are not allowed in the storage pool.

Q47. Dell Unity XT systems use which type of drives for cache acceleration?

HDD only

SATA SSDs

NVMe SSDs

SAS SSDs

Q48. What is a characteristic of the Advanced Deduplication fingerprint cache?

There is one fingerprint cache per storage processor.

The cache is stored temporarily on each of the system disks.

There are two fingerprint caches per storage processor.

The cache is enabled on any storage resource that has Data Reduction enabled.

Q49. From which storage resources can a thin clone be created?

VMFS datastore and vVol datastore

File system and VMFS datastore

File system and thin LUN

Thin LUN and consistency group

Q50. What strategies should be employed for efficient NAS client access management to SMB and NFS file storage?

Separate NAS servers for SMB and NFS for performance optimization

Consolidating SMB and NFS services on a single NAS server for simplicity

Implementing user quotas and snapshots for data management

Configuring network segmentation for SMB and NFS traffic

Q51. What does Dell Unity offer for data protection and mobility?

Local LUN Move only

Snapshots and replication only

Snapshots, replication, and Local LUN Move

No data protection features

Q52. What are the characteristics of dynamic storage pools in Dell Unity systems?

Utilizes small extents to distribute data across all drives

Requires manual rebalancing after drive addition

Supports only traditional RAID configurations

Limited to block storage only

Q53. What is the correct sequence of steps to create a replication session on an existing LUN?

1. Choose the replication mode.
2. Start the Configure Replication wizard.
3. Select the Replication tab from the LUN Properties page.
4. Choose the destination.

1. Select the Replication tab from the LUN Properties page.
2. Choose the destination.
3. Choose the replication mode.
4. Start the Configure Replication wizard.

1. Choose the destination.
2. Start the Configure Replication wizard.
3. Select the Replication tab from the LUN Properties page.
4. Choose the replication mode.

1. Start the Configure Replication wizard.
2. Choose the replication mode.
3. Select the Replication tab from the LUN Properties page.
4. Choose the destination.

Q54. How do Dell Unity systems ensure data mobility and access efficiency for VMware ESXi hosts?

By leveraging VM-aware storage features

Using proprietary protocols that enhance performance

Through integration with VMware APIs for storage awareness (VASA)

Automatic VM migration based on storage utilization

Q55. Refer to the exhibit. A storage administrator noticed that the Test_Dev system has turned red What is the cause of this issue?

Storage pool performance is impacted because of prolonged disk queue length.

Storage pool has a component failure.

Storage pool is full and oversubscribed.

Data protection for this storage pool is not configured.

Q56. An administrator initially created a Thin Provisioned file system (FS) on a Dell Unity XT. They now want to change that FS to Thick Provisioned.
What is a consideration?

Unmap/unmount the FS and use the Initial Configuration Wizard.

Unmap/Unmount the FS and change FS properties.

Convert the FS from Thin to Thick through Unisphere.

The FS cannot be changed from Thin to Thick.

Q57. Which of the following is a key feature of Dell UnityVSA?

Only supports block storage

Direct-attached storage only

Software-defined storage capabilities

No support for NAS services

Q58. A user is setting up Dell Unity XT network ports for connectivity between the NAS clients and NAS servers.
Which settings can be modified from the Ethernet Port Properties window in Unisphere?

Speed and MTU only

Name of port, MTU, and speed

MTU, speed, and port aggregation

Port aggregation and speed only

Q59. What is a consideration when configuring automated software downloads on a Dell Unity XT storage array?

Two-way SRS must be implemented on the system.

One-way SRS must be implemented on the system.

VASA must be enabled.

Firewall port 9443 must be open.

Q60. Asynchronous replication is best used in scenarios where:

Data consistency is not critical

The network latency is high between sites

Zero data loss is a strict requirement

The replication distance is short

Q61. A storage administrator wants to configure a Dell Unity XT system to join the list of arrays remotely monitored for activity and system status. The administrator is using Unisphere Central. The security policy on the Unisphere server is set to automatic.
What additional security information must be specified in the Unisphere Settings window to enable communication with Unisphere Central?

Unisphere Central Hash and login credentials

Unisphere Central Hash and challenge phras

Unisphere Central IP address and Central Hash

Unisphere Central IP address and login credentials

Q62. What is a characteristic of host Fibre Channel initiators?

Must have a FCoE connection to the Unity target port

Can only have one path to a Unity SP

Can only have a connection to one Unity SP front-end port

Can be associated with multiple initiator paths

Q63. A system administrator must mount the NFS Datastore from a Dell Unity XT system to an ESXi host.
Which permission level must they select when adding the host access to VMware NFS Datastore?

Read-only

Read/write, enable Root

Read/write

Read/write, Execute

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EMC D-UN-OE-23 Exam Syllabus Topics:

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