Dell Unity Operate 2023 Exam (D-UN-OE-23) Free Practice Test

Question 1

The LUN Snapshot Attach to Host operation is being performed with Read/Write Access selected.
By default, what does the Dell Unity XT system do before beginning the attach process?

A. Detaches existing attached hosts from the LUN Snapshot tree

B. Creates a copy of the Snapshot

C. Detaches the host from the Snapshots of any other LUN

D. Creates a Snapshot of the LUN

Correct Answer: B

Question 2

Which two synchronous remote replication topologies does Dell Unity XT support? (Select 2)

A. Bi-directional

B. One-directional

C. Cascade

D. Fan-out

Correct Answer: A,B

Question 3

A storage administrator must provide maximum remote protection of file storage between Dell Unity XT 38oF systems.
How many NAS server replication sessions are supported?

A. 50

B. 128

C. 90

D. 64

Correct Answer: C

Question 4

A storage administrator is planning to move a NAS server to the peer SP on a Dell Unity XT system. The NAS server and two of its associated file systems have active asynchronous replication sessions to a remote Dell Unity XT system.
How should the storage administrator proceed?

A. Set the RPO value to 1440 for the NAS server and file system replication sessions.

B. Failover the replication sessions for the NAS server and file systems.

C. Synchronize the NAS server and file system replication sessions.

D. Manually pause the replication sessions for the NAS server and file systems.

Correct Answer: D

Question 5

What is a consideration when expanding a dynamic pool?

A. The maximum number of drives is 16 in a RAlD Group.

B. The maximum number of slices in a private LUN is 256.

C. The minimum number of drives in a RAID 5 (4+1) RAID Group is 5.

D. The maximum number of drives is 64 in a drive partnership group.

Correct Answer: C

Question 6

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?

A. Unity Management Software requires a refresh.

B. Drives must be reseated.

C. Drive Firmware must be updated.

D. System drives are not allowed in the storage pool.

Correct Answer: D

Question 7

What does the Dell Unity XT system do after a NAS Server starts outbound traffic to an external service?

A. Uses the active production interface

B. Uses Packet Reflect for outbound communication

C. Selects interfaces based on advanced static routes

D. Creates an active interface buffer cache in DRAM

Correct Answer: A

Question 8

What are two recommendations for configuring synchronous replication on a Dell Unity XT system? (Select 2)

A. A maximum of 100 km (60 mi) distance

B. Dataset to be less than 100 TB

C. Session RPO must be set to zero

D. Latency below 10 milliseconds

Correct Answer: A,D

Question 9

What is a connectivity rule for a host that connects to multiple Dell Unity XT systems?

A. CNA connections to the host must be used with alternating protocols

B. The host must connect to all the arrays using a single protocol.

C. The host can connect to different arrays with different protocols.

D. The iSCSI protocol is required when host connects to multiple arrays.

Correct Answer: C

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EMC Dell Unity Operate 2023 (D-UN-OE-23) Free Practice Test