The Most Efficient D-MSS-DS-23 Pdf Dumps For Assured Success [2025]
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EMC D-MSS-DS-23 Exam Syllabus Topics:
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NEW QUESTION # 79
A customer with a Dell Unity XT 680 asks about enabling the Advanced Deduplication feature.
Which configuration is recommended for enabling the feature?
- A. On All-Flash pools with free capacity above 20%
- B. On hybrid pools with free capacity above 20%
- C. On hybrid pools when CPU utilization is at or less than 50%
- D. On All-Flash pools when CPU utilization is at or less than 50%
Answer: D
NEW QUESTION # 80
How many writes per day are SAS Flash 4 drives rated at?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION # 81
What is Dell's recommendation for scheduling FAST VP relocation?
- A. Before and After backups or nightly batch processing
- B. During backups or nightly batch processing
- C. After backups or nightly batch processing
- D. Before backups or nightly batch processing
Answer: D
Explanation:
Dell recommends scheduling FAST VP (Fully Automated Storage Tiering for Virtual Pools) relocations before backups or nightly batch processing to ensure optimal performance. This scheduling helps to avoid conflicts and performance degradation that can occur if relocation tasks compete for resources during critical data operations such as backups. Pre-scheduling these relocations ensures that the storage system is balanced and ready for intensive operations without impacting performance.
NEW QUESTION # 82
How many hierarchical snapshots are supported by Dell EMC Unity?
- A. 32 levels deep for LUNs
16 levels deep for file systems - B. 16 levels deep for LUNs
16 levels deep for file systems - C. 10 levels deep for LUNs
10 levels deep for file systems - D. 16 levels deep for LUNs
8 levels deep for file systems
Answer: A
NEW QUESTION # 83
What are differences between the Dell Unity XT 380F array and the Dell Unity XT 880F array?
- A. Dell Unity XT 380F does not support dynamic storage pools. Dell Unity XT 880F supports dynamic storage pools.
- B. Dell Unity XT 380F supports dynamic storage pools. Dell Unity XT 880F does not support dynamic storage pools.
- C. Dell Unity XT 380F has converged network adapter ports. Dell Unity XT 880F has embedded mezzanine ports.
- D. Dell Unity XT 380F has embedded mezzanine ports. Dell Unity XT 880F has converged network adapter ports.
Answer: C
Explanation:
The Dell Unity XT 380F array is equipped with converged network adapter (CNA) ports, while the Dell Unity XT 880F array features embedded mezzanine ports. These differences in port configurations reflect the varied performance and connectivity options available in different models of the Unity XT series.
NEW QUESTION # 84
Which NAS protocols does Dell PowerStore support?
- A. FTP, SMB, NFSv2, NFSv3, and FTPS
- B. NFSv4, SMB, S3, FTP, and SFTP
- C. FTPS, SMB, NFSv3, NFSv4, and FTP
- D. SMB, NFSv3, NFSv4p, FTP, and SFTP
Answer: D
Explanation:
Dell PowerStore supports a variety of NAS protocols to provide file access to clients.
These protocols include:
SMB (Server Message Block): This protocol is used to provide file and printer sharing on Windows-based systems.
NFSv3 (Network File System version 3): This is a standard protocol used to provide file access on UNIX-based systems.
NFSv4 (Network File System version 4): This is the latest version of the NFS protocol and it provides enhanced security and improved performance over previous versions. FTP (File Transfer Protocol): This is a standard protocol used to transfer files between computers over a network.
SFTP (Secure File Transfer Protocol): This is an extension of the FTP protocol that provides secure file transfer using SSH (Secure Shell) encryption.
NEW QUESTION # 85
How many fans in a Dell EMC PowerStore node can fail before it shuts down?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
Explanation:
A node can tolerate a single fan module fault, and the surviving fans increase their speed to compensate for the faulted module. If two fan modules fault within the same node, the node performs a protective thermal shutdown. A protective thermal shutdown gracefully powers off the node, and any resource fails over to the surviving node Reference: https://www.delltechnologies.com/asset/en-us/products/storage/industry- market/h18149-dell-emc-powerstore-platform-introduction.pdf
NEW QUESTION # 86
When sizing a Dell Unity XT hybrid system, for which class of data are NL-SAS drives sized?
- A. Deduplicated
- B. Active
- C. Compressed
- D. Inactive
Answer: D
NEW QUESTION # 87
A customer has a data center with 30 different applications running on 30 volumes presented from PowerStore. They want to design a DR site within 300 km with 15 min RPO using storage-based asynchronous replication. Which protection policy design leads to most stable storage performance?
- A. Create a single protection policy assigned to 30 volumes, each scheduled with a five minute shift from each other.
- B. Create 15 protection policies that are assigned to a pair of volumes, each scheduled with a oneminute shift from each other.
- C. Create 30 protection policies that are assigned to a single volume, each scheduled with a one minute shift from each other.
- D. Create two protection policies that are assigned to 15 volumes, each scheduled with a five minute shift from each other.
Answer: A
Explanation:
In a scenario where a customer needs to design a DR site with a 15-minute RPO using storage-based asynchronous replication, creating a single protection policy assigned to 30 volumes with a five-minute shift between each volume is the most stable design. This approach ensures that the replication load is evenly distributed over time, minimizing the impact on storage performance.
NEW QUESTION # 88
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: D
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 # 89
While sizing a PowerStore solution with 5 TB usable capacity and 5000 IOPS for a Test/Development Application using NVMe drives,....
What action must the architect take?
- A. Change the DRE Tolerance Parity in System Editor
- B. Configure the Unity solution as an alternative
- C. Change the DRR of the solution
Answer: A
NEW QUESTION # 90
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?
- A. Asynchronous replicate replicate from Boston to Cambridge Asynchronous replicate replicate from Cambridge to New York
- B. Synchronous replicate replicate from Boston to Cambridge Asynchronous replicate replicate from Boston to New York
- C. Synchronous replicate replicate from Boston to Cambridge Synchronous replicate replicate from Boston to New York
- D. Synchronous replicate replicate from Boston to Cambridge Synchronous replicate replicate from Cambridge to New York
Answer: B
NEW QUESTION # 91
Which Dell EMC Unity OE 5.0 enhancements improve asynchronous replication?
- A. Fan-out and Cascade Replication
- B. NAS server mobility and Fan-out Replication
- C. Cascade Replication and GeoSync
- D. GeoSync and NAS server mobility
Answer: A
Explanation:
Dell EMC Unity OE version 5.0, asynchronously replicated file resources can also be configured in advanced replication topologies. This allows for configurations such as fan-out and cascading replication at the granularity of a NAS Server and its associated file resources. Reference:
https://www.delltechnologies.com/asset/en-us/products/storage/industry-market/h17827-dell-emc- unity-operating-environment.pdf
NEW QUESTION # 92
When enabling a multi-protocol NAS implementation on a Dell EMC PowerStore array, what is required for an end-to-end mapping of a UNIX system?
- A. Group ID (GID) and Active Directory (AD)
- B. User ID (UID) and Group ID (GID)
- C. Security ID (SID) and User ID (UID)
- D. Security ID (SID) and Active Directory (AD)
Answer: B
Explanation:
Secure mapping (secmap) -a cache that contains all mappings between SIDs, and UID or GIDs used by a NAS server.
Reference: https://www.dell.com/support/manuals/en-pk/powerstore-1000/pwrstr-scg/user- mapping?guid=guid-565ecaa3-1e57-44c2-b9ba-ef713c729c2b&lang=en-us
NEW QUESTION # 93
What is the maximum supported drive configuration in the base enclosure of the PowerStore 3200T?
- A. 21 x NVMe SSDs 2 x NVMe NVRAM
- B. 23xNVMe SCMs 2 x NVMe NVRAM
- C. 23 x NVMe SSDs 2 x NVMe NVRAM
- D. 21 x NVMe SCMs 4 x NVMe NVRAM
Answer: C
Explanation:
The maximum supported drive configuration in the base enclosure of the PowerStore 3200T includes 23 NVMe SSDs and 2 NVMe NVRAM. This configuration provides high performance and low latency, suitable for demanding workloads.
NEW QUESTION # 94
What is a feature of Dell EMC Unity unified snapshots?
- A. Copy on First Access
- B. Copy on First Write
- C. Redirect on Write
- D. Delta set extension
Answer: C
Explanation:
Reference; https://www.delltechnologies.com/en-ba/collaterals/unauth/white- papers/products/storage/h15089-dell_emc_unity-snapshots_and_thin_clones.pdf (7)
NEW QUESTION # 95
When designing a Metro Volume, what configuration must be implemented to avoid unnecessary storage compute resource usage?
- A. Use MRU for PSP
- B. Use storage containers
- C. Place witness at a third site
- D. Use DRS affinity rules
Answer: B
NEW QUESTION # 96
What is a best practice for host connectivity on Dell EMC PowerStore?
- A. Requires multipath software and iSCSI
- B. Requires multipath software and one HBA
- C. Host must be directly attached, but there is no requirement for multipath software
- D. HBAs must be attached to a dual fabric and multi-path software is required
Answer: A
NEW QUESTION # 97
Which option should the technical architect recommend?
- A. All Dell Unity and Dell Unity XT systems support 25 GbE.
- B. The Dell Unity XT 480 supports a 25 GbE card, but the Dell Unity 550F does not support a 25 GbE card.
- C. 25 GbE is not supported on Dell Unity or Dell Unity XT systems.
- D. The Dell Unity 550F supports a 25 GbE card, but the Dell Unity XT 480 does not support a 25 GbE card.
Answer: B
NEW QUESTION # 98
Which Dell EMC Midrange solution is configured for block storage with a built-in hypervisor?
- A. PowerStore X
- B. PowerStore T
- C. SC 9000
- D. Unity XT
Answer: A
Explanation:
The PowerStore X model configuration provides a hypervisor layer in addition to block storage.
Reference: https://www.dell.com/support/manuals/en-pk/powerstore-9000/pwrstr- v12n/virtualization-architecture-and-configuration?guid=guid-cd3afd8a-aaba-43f5-b80c- c14b844b50b8&lang=en-us
NEW QUESTION # 99
At what point in a sales cycle is a site survey done to create a description of the site environment?
- A. Defend
- B. Initial Engagement
- C. Post-Sales
- D. Design
Answer: C
NEW QUESTION # 100
Which NVMe SCM drives are supported by Dell PowerStore?
- A. 800 GB and 1.6 TB
- B. 375 GB and 750 GB
- C. 400 GB and 1 TB
- D. 600 GB and 1.2 TB
Answer: C
NEW QUESTION # 101
What final operation should be performed after adding a single drive to a Dell Powerstore array?
- A. Add it to an existing DRS
- B. Back up the Keystore
- C. Format the drive
- D. Verify drive operation
Answer: D
Explanation:
This ensures that the drive is properly connected and communicating with the array, and that it is functioning as expected. Additionally, the new drive should be added to an existing DRS (Drive Replacement Set) and if necessary, the keystore should be backed up and the drive should be formatted.
NEW QUESTION # 102
What is recommended maximum cable length for PowerStore back-end NVMe cabling to avoid performance issues?
- A. 3 meters
- B. 5 meters
- C. 10 meters
- D. 100 meters
Answer: C
NEW QUESTION # 103
What command is used to gather data from Cisco switches?
- A. supportshow
- B. show all
- C. show tech-support details
Answer: C
NEW QUESTION # 104
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