[Full-Version] 2026 New ValidExam D-MSS-DS-23 PDF Recently Updated Questions [Q35-Q52]

admin D-MSS-DS-23 EMC March 7, 2026

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[Full-Version] 2026 New ValidExam D-MSS-DS-23 PDF Recently Updated Questions

D-MSS-DS-23 Exam with Guarantee Updated 88 Questions

EMC D-MSS-DS-23 Exam Syllabus Topics:

Topic	Details
Topic 1	Dell Midrange Storage Solutions Planning, Sizing, and Design: This section of the exam measures the skills of storage engineers and covers the planning, sizing, and design phases of a Midrange solution sales engagement. It emphasizes conducting site evaluations and remediation processes while considering performance parameters and environmental limits. A critical skill evaluated is accurately characterizing workloads to inform design decisions.
Topic 2	Midrange Storage Solutions Best Practice: This section of the exam measures the skills of Dell Unity and PowerStore Midrange Storage Solutions professionals and covers best practice recommendations for system configuration and upgrades. It includes guidelines on hardware capacity, deployment models, clustering, and operating system upgrades. A key skill assessed is implementing effective backend connectivity solutions that enhance system performance.
Topic 3	Dell Midrange Sizing Solutions: This section of the exam measures the skills of storage engineers and covers the use of tools like the Midrange Sizer for Unity to size solutions effectively. It includes design methods and deliverables associated with sizing storage solutions.

QUESTION 35
Which Dell EMC SC Series array allows for back-end expansion cards?

SCv3000

SC7020

SC5020

SCv3020

QUESTION 36
How are SAS ports used by Dell Unity XT storage processors?

To move data to and from the backend drives.

To provide host connectivity.

To increase processing speed.

To move data between the data array.

QUESTION 37
When enabling a multi-protocol NAS implementation on a Dell EMC PowerStore array, what is required for an end-to-end mapping of a Windows system?

Group ID (GID)

User ID (UID)

Active Directory (AD)

Security ID (SID)

QUESTION 38
A technical architect is designing a Dell Unity storage solution. The customer has a monthly data access profile where block data is accessed infrequently. The data is accessed frequently for a few days during month-end reporting.
Based on best practices which solution should the technical architect recommend?

A single-tier solution using 10k drives

An All-Flash solution using FAST VP and FAST Cache

A hybrid solution using FAST VP and FAST Cache

A hybrid solution using data progression

QUESTION 39
What is the minimum number of IP addresses for optimal performance of PowerStoreX?

QUESTION 40
When is the encryption key of a drive created on a Dell Unity XT system with D@RE enabled?

When the drive is inserted into the array

As the system is booted for the first time

When the drive is bound to a storage pool

When data is first written to the drive

QUESTION 41
What chunk size of data is identified and moved temporarily to FAST Cache within Unity?

256 KB

32 KB

128 KB

64 KB

QUESTION 42
What are benefits of having a minimum of 5% flash component when designing a Dell Unity XT hybrid system?

Enhances data reduction efficiency ratios and minimizes CPU utilization.

Offsets some workload skew and accelerates metadata for buffer read misses.

Optimizes FAST Cache page granularity and speeds data movement between tiers.

Increases front-end queue depth and accelerates acknowledgments to hosts.

QUESTION 43
A company has a Dell Unity XT 880 at its Boston site providing file storage for a business production application. The company has a second remote site 8 km (5 mi) away in Cambridge. A third site is in New York (342 km (213 mi) from the Boston site). How can the same production data be protected against system outage with a zero RPO and a maximum of 15 minutes RPO data recovery?

Synchronous replicate from Boston to Cambridge Asynchronous replicate from Boston to New York

Synchronous replicate from Boston to Cambridge Synchronous replicate from Boston to New York

Asynchronous replicate from Boston to Cambridge Asynchronous replicate from Cambridge to New York

Synchronous replicate from Boston to Cambridge Synchronous replicate from Cambridge to New York

QUESTION 44
What drive type is recommended for storing inactive data on a Dell Unity XT 880F array?

NL-SAS

SAS Flash

SAS 10K

QUESTION 45
While sizing a PowerStore solution with 5 TB usable capacity and 5000 IOPS for a Test/Development Application using NVMe drives, a solution architect observes that the recommended solution is 10 times the requested capacity. What action must the architect take?

Change the DRE Tolerance Parity in System Editor.

Configure the Unity solution as an alternative.

Change the DRR of the solution.

QUESTION 46
A Dell Unity XT 480F system ships with two embedded modules, one for each SP.
What does the embedded module provide?

A Fiber Channel connectivity

Field service only

CNA connectivity

Management

QUESTION 47
What chunk size of data is identified and moved temporarily to FAST Cache within Unity?

256 KB

32 KB

128 KB

64 KB

QUESTION 48
What is done during the preconfigure step of a PowerStore block import migration?

Source system is added to the PowerStore.

Destination volume is created.

Network connectivity is set up.

Import schedule is set.

QUESTION 49
Which Dell Unity XT load balancing method will optimize performance in a customer environment if there are a limited number of open FC switch ports?

Least I/O

Priority

Port to Core Affinity

Round Robin

QUESTION 50
A Windows client using the SMB protocol is trying to access a multiprotocol file system from a Dell Unity XT NAS server. The local group database was checked and no mapping was found.
What is the next step in the SID to UID resolution process?

The Windows user access is removed

The domain controller is checked

The Windows user is mapped to the default UNIX account

Secmap is checked

QUESTION 51
What is a Dell recommendation when connecting ESXi hosts to PowerStore?

Use the default 32k host I/O size when using VMware NFS Datastores.

Configure a minimum of two NAS servers when using vVol Datastores.

Configure Round Robin Multipathing with an IOPS limit of 1024.

Disable DelayedACK when configured using iSCSI.

QUESTION 52
What is a Dell Unity XT best practice to provide the highest network availability for NAS?

Configure LACP with multiple active links.

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