2025 Valid D-MSS-DS-23 Real Exam Questions (Updated) 100% Dumps & Practice Exam
[UPDATED 2025] EMC D-MSS-DS-23 Questions Prepare with Free Demo of PDF
NEW QUESTION # 27
What tools can be used to migrate block data from a legacy VNX array to a new Dell Unity XT array?
- A. Rsync and EMCopy
- B. PowerPath Migration Enabler and Rsync
- C. SANCopy and PowerPath Migration Enabler
- D. EMCopy and SANCopy
Answer: C
NEW QUESTION # 28
What command is used to gather data from Brocade switches?
- A. show all
- B. show tech-support details
- C. supportshow
Answer: C
Explanation:
The commandsupportshowis used to gather comprehensive data from Brocade switches. This command collects extensive diagnostic information about the switch, including configuration details, hardware status, and various operational statistics. Here's a step-by-step explanation of thesupportshowcommand:
* Access the Brocade Switch:Connect to the Brocade switch via SSH or through a console connection.
* Enter the Command:Typesupportshowin the command line interface (CLI) and press Enter.
* Data Collection:The command will begin collecting a wide array of information from the switch. This includes:
* Hardware and firmware versions
* Port status and configurations
* Zoning information
* Error logs and statistics
* Environmental data (temperature, power supply status, etc.)
* Output Review:The gathered data is typically extensive and can be used for troubleshooting, performance analysis, and ensuring the switch is operating correctly.
* Save the Output:The output can be redirected to a file for later review or analysis by technical support teams.
References:
* Dell Technologies PowerStore Documentation
* Dell Entry-Level and Mid-Range Storage Community
* Dell Storage Products Overview
NEW QUESTION # 29
A Dell PowerStore administrator has been asked to create a NAS file sharing environment for several clients. The clients will be running either Linux (NFS) or Windows (SMB) and must have access to the same data simultaneously How can this be achieved using Dell PowerStore?
- A. Configure file data to be replicated for access by different client types
- B. Configure a snapshot rule and protection policy and apply it to the file system
- C. Configure multiprotocol access to required file system
- D. Configure two NAS servers place all Linux data in one and all Windows data in the other
Answer: C
Explanation:
Dell PowerStore allows you to create a NAS file sharing environment for several clients by configuring multiprotocol access to the required file system. This means that the same file system can be accessed by both Linux and Windows clients using either the NFS or SMB protocols. This can be achieved by creating a file system, and configuring it to allow access using both the NFS and SMB protocols. Once the file system is set up, you can assign permissions and share the file system with the appropriate clients. This way, the clients will be able to access the same data simultaneously, regardless of whether they are running Linux or Windows and which protocol they are using. It's not necessary to replicate data for access by different client types, it would be an extra step that would consume more resources and would be unnecessary
NEW QUESTION # 30
What is a Dell recommendation when connecting ESXi hosts to PowerStore?
- A. Use the default 8k host I/O size when using NFS.
- B. Enable DelayedACK when configured using iSCSI.
- C. Configure a minimum of two NAS servers when using vVol Datastores.
- D. Configure Round Robin Multipathing with an IOPS limit of 1024.
Answer: D
Explanation:
* Connecting ESXi Hosts to PowerStore:
* When connecting ESXi hosts to PowerStore, it is crucial to follow best practices to ensure optimal performance and reliability.
* Round Robin Multipathing:
* Dell recommends configuring Round Robin Multipathing with an IOPS limit of 1024. This setting helps balance the load across multiple paths, preventing any single path from becoming a bottleneck and improving overall performance.
* Other Options:
* DelayedACK: Generally not recommended for iSCSI configurations due to potential performance issues.
* Two NAS Servers for vVol Datastores: Not a standard recommendation for general PowerStore-ESXi connectivity.
* Default 8k host I/O size for NFS: Not a specific recommendation for this context.
* Dell Midrange Storage References:
* Dell PowerStore documentation and VMware integration guides provide detailed best practices for connecting ESXi hosts, including multipathing configurations.
References:
* Dell PowerStore Best Practices Guide
* Dell Community on PowerStore and VMware
NEW QUESTION # 31
Which Dell Unity XT DPE front-end port connectivity can support to 45000 IOPS/per port and up to 1500MB/s?
- A. 16GB FC
- B. 10GbE iSCSI and 16GB FC
- C. 16GB FC and 25GbE iSCSI
- D. 25GbE iSCSI
Answer: A
NEW QUESTION # 32
A customer has a Dell Unity XT 380F system with a single pool that is built from 24x 800 GB and
24x 1 6 TB SAS Rash 3 drives and 14x 400 SAS Flash 2 drives.
How many drive partnership groups were used to build the dynamic pool?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
Explanation:
In Dell Unity XT storage systems, a dynamic pool is built using drive partnership groups. A drive partnership group is a group of drives that are combined to create a pool. A drive partnership group can be made up of SAS, NL-SAS, or Flash drives. In this case, the customer has a single pool built from 24x 800 GB SAS Rash 3 drives and 24x 1 6 TB SAS Rash 3 drives, and 14x 400 SAS Flash 2 drives. All drives are SAS type, and it's only one partnership group.
NEW QUESTION # 33
Which describes cascade replication on the Dell Unity XT platform?
- A. Asynchronous replication of a file resource from Sites A to B, then B to C, then C to D
- B. Asynchronous replication of a block resource from Sites A to B, then B to C, then C to D
- C. Synchronous replication of a file resource from Sites A to B, then B to C, then C to D
- D. Synchronous replication of a block resource from Sites A to B, then B to C, then C to D
Answer: B
Explanation:
Cascade replication on the Dell Unity XT platform describes the process where a block resource is replicated asynchronously from one site to another in a sequential manner. Here's how it works:
* Site A to Site B:The block resource is first replicated asynchronously from Site A to Site B.
* Site B to Site C:After the replication from A to B is complete, the resource is then replicated from Site B to Site C.
* Site C to Site D:Finally, the resource is replicated from Site C to Site D.
This cascade replication method allows for efficient data protection and disaster recovery across multiple sites.
References:
* Dell Technologies Unity XT Replication Guide
* Dell Entry-Level and Mid-Range Storage Community
NEW QUESTION # 34
Which two attributes characterize I/O workloads for sizing the PowerStore storage solution? (Select 2)
- A. Splitting of Workloads
- B. Random vs. Sequential I/O
- C. CloudIQ Reporting
- D. Extent of Serialization
- E. Read vs. Write ratios
Answer: E
Explanation:
Two key attributes that characterize I/O workloads for sizing the PowerStore storage solution are Random vs.
Sequential I/O and Read vs. Write ratios. Understanding these attributes helps in accurately sizing the storage system to meet performance and capacity requirements.
NEW QUESTION # 35
Which two options are input parameters for Unity Designer? (Select 2)
- A. NAS Server Nodes
- B. Drive Modules
- C. Block and File resources
- D. Host Access Modes
- E. Enclosures
Answer: B
Explanation:
Unity Designer is a tool used to design and configure Dell EMC Unity storage systems. Two of the key input parameters for Unity Designer are Block and File resources, which include configuring LUNs, NAS servers, and file systems, and Drive Modules, which refer to the physical drives and their configurations within the storage system.
NEW QUESTION # 36
What is the minimum RPO that can be configured on a Dell Unity XT block-asynchronous replication session?
- A. 60 minutes
- B. 5 minutes
- C. 1 minute
- D. 20 minutes
Answer: B
Explanation:
Recovery Point ObjectiveWhen you set up an asynchronous replication session, you can configureautomatic synchronization based on the RPO. You can specify an RPO from a minimum of 5 minutes up to a maximum of 1440 minutes (24 htours).
NEW QUESTION # 37
What chunk size of data is identified and moved temporarily to FAST Cache within Unity?
- A. 128 KB
- B. 256 KB
- C. 64 KB
- D. 32 KB
Answer: A
Explanation:
* FAST Cache Mechanism:
* FAST (Fully Automated Storage Tiering) Cache in Dell Unity systems temporarily holds frequently accessed data to improve read and write performance.
* The data moved to FAST Cache is managed in chunks to optimize storage efficiency and performance.
* Chunk Size for FAST Cache:
* Dell Unity systems use a chunk size of 128 KB for data moved to FAST Cache. This size is optimized for balancing performance and storage management overhead.
* Smaller chunks, such as 32 KB or 64 KB, might increase management overhead, while larger chunks like 256 KB could reduce the granularity of data movement and efficiency.
* Dell Midrange Storage References:
* Dell Unity XT documentation provides detailed explanations on FAST Cache operations, including the specific chunk sizes used.
* Additional technical resources from Dell Technologies offer insights into performance tuning and cache management.
References:
* Dell Unity XT FAST Cache Guide
* Dell Community on Cache Management
* Dell Storage Product Information
NEW QUESTION # 38
What is done during the preconfigure step of a PowerStore block import migration?
- A. Source system is added to the PowerStore
- B. Import schedule is set
- C. Network connectivity is set up
- D. Destination volume is created
Answer: A,B,C,D
NEW QUESTION # 39
A Dell PowerStore protection policy contains two snapshot rules and one replication rule? Which storage resources will run only the snapshot rules?
- A. Virtual Machines and File Servers
- B. Volumes and Volume Groups
- C. Volume Groups and File Systems
- D. Virtual Machines and File Systems
Answer: D
NEW QUESTION # 40
Which Dell EMC tool uses an HTML5 interface and best practices to predict storage performance?
- A. MiTrend
- B. Midrange Sizer
- C. Unity Sizer
- D. UniSphere
Answer: B
Explanation:
Reference: https://wuchikin.wordpress.com/2016/11/14/emc-unity-sizer/
NEW QUESTION # 41
What is the maximum number of data drives that can be put in to a Dell PowerStore 1000T base enclosure?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
Explanation:
The maximum number of data drives that can be put in to a Dell PowerStore 1000T base enclosure is 21. The Dell PowerStore 1000T has a 2U form factor, and it supports a maximum of
21 drives in the base enclosure. The drives can be either SAS or NVMe, and it's important to keep in mind that the maximum capacity of the system depends on the type of drives that are used. It's important to note that the PowerStore 1000T supports up to 2 expansion shelves that can hold an additional 21 drives each, for a maximum of 63 drives in total. Also, the PowerStore
1000T supports up to 4 NVRAM modules that are used to cache metadata and improve performance.
NEW QUESTION # 42
On whicher can a solution architect find guidance for ctatus reported in the PowerStore Manager?
- A. Volume, drive, and appliance
- B. Node, drive, and cluster
- C. Drive, appliance, and cluster
- D. Cluster, node, and appliance
Answer: C
NEW QUESTION # 43
Which Dell Unity XT DPE front-end port connectivity can support up to 30,000 IOPS/port and up to 1,700 MB/s?
- A. 25 GbE iSCSI
- B. 10 GbE iSCSI and 16 Gb FC
- C. 16 Gb FC and 25 GbE iSCSI
- D. 16 Gb FC
Answer: D
Explanation:
16 Gb Fibre Channel (FC) front-end port connectivity on Dell Unity XT DPE can support up to 30,000 IOPS per port and up to 1,700 MB/s. This level of performance makes it suitable for high-demand enterprise applications that require robust and fast storage networking.
NEW QUESTION # 44
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