Free D-MSS-DS-23 Practice Test Questions 2026

Which Dell Unity XT DPE front-end port connectivity can support to 45000 IOPS/port and up to 1500 MB/s?

A. 16 Gb FC and 25 GbE iSCSI

B. 25 GbE iSCSI

C. 16 Gb FC

D. 10 GbE iSCSI and 16 Gb FC

A technical architect is helping a customer prepare for a data center maintenance window. All applications must failover to the disaster recovery site. The customer also wants to test their disaster recovery plan. What PowerStore Manager replication option should be used to address the customer's need, and from which site should the option be run?

A. Planned failover from target site

B. Planned failover from source site

C. Failover from source site

D. Failover from target site

A customer has three Dell PowerStore 1000Ts in a cluster and wants to add a PowerStore 5000X. What must they do?

A. Create a cluster with the 5000X.

B. Use the PowerStore CLI to add the appliance.

C. Reconfigure the existing cluster.

D. Use the PowerStore Manager to add the appliance.

Which two attributes characterize I/O workloads for sizing the PowerStore storage solution? (Select 2)

A. Extent of Serialization

B. Splitting of Workloads

C. Random vs. Sequential I/O

D. Read vs. Write ratios

E. CloudIQ Reporting

Which two options are input parameters for Unity Designer? (Select 2)

A. NAS Server Nodes

B. Enclosures

C. Block and File resources

D. Drive Modules

E. Host Access Modes

What are two guidelines for optimal performance when planning and sizing a Midrange storage solution? (Select 2)

A. Maximize Flash Drive Capacity

B. Maximize NVMe NVRAM Capacity

C. Consolidate Workloads

D. Design for Resilience

What is a Dell Unity XT best practice to provide the highest network availability for NAS?

A. Configure LACP with multiple active links.

B. Configure Fail-Safe Networking with a primary link and a standby link.

C. Combine LACP and Fail-Safe Networking.

D. Utilize multi-pathing software such as PowerPath.

What is the maximum RPO that can be configured on a Dell Unity XT block-asynchronous replication session?

A. 24 hours

B. 14 days

C. 7 days

D. 48 hours

When designing a Metro Volume, what configuration must be implemented to avoid unnecessary storage and compute resource usage?

A. Use MRU for PSP.

B. Use DRS affinity rules.

C. Place witness at a third site.

D. Use storage containers.

What are the inputs and outputs of the Unity Designer tool?

A. Inputs: Sales order, Sizing XML file, System configuration PDF file Outputs: Detailed design, Excel configuration guide report

B. Inputs: Sales order, Excel configuration guide report, Detailed design Outputs: Sales order, Sizing XML file, System configuration PDF file

C. Inputs: Sales order, Detailed design, Excel configuration guide report Outputs: Sizing XML file, System configuration PDF file

D. Inputs: Sales order, Sizing XML file, System requirements Excel file Outputs: Detailed design, Excel configuration guide report, System configuration PDF file

Which tool can be used for proactive monitoring and anomalies detection for a Unity environment?

A. CloudIQ

B. InsightIQ

C. Unisphere

D. ArrayconfigAnalyzer

Which describes cascade replication on the Dell Unity XT platform?

A. Synchronous replication of a block resource from Sites A to B, then B to C, then C to D

B. Synchronous replication of a file resource from Sites A to B, then B to C, then C to D

C. Asynchronous replication of a file resource from Sites A to B, then B to C, then C to D

D. Asynchronous replication of a block resource from Sites A to B, then B to C, then C to D