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The Best D-MSS-DS-23 Exam Study Material and Preparation Test Question Dumps
EMC D-MSS-DS-23 Exam Syllabus Topics:
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NEW QUESTION # 47
Which option should the technical architect recommend?
- A. 25 GbE is not supported on Dell Unity or Dell Unity XT systems.
- B. All Dell Unity and Dell Unity XT systems support 25 GbE.
- C. The Dell Unity XT 480 supports a 25 GbE card, but the Dell Unity 550F does not support a 25 GbE card.
- D. The Dell Unity 550F supports a 25 GbE card, but the Dell Unity XT 480 does not support a 25 GbE card.
Answer: C
NEW QUESTION # 48
A technical architect is working with a customer to design a Dell Unity XT solution. The customer is concemed about enabling the data reduction storage service. What system condition should the architect recommend for enabling data reduction?
- A. Free capacity above 80%
- B. CPU utilization at or less than 50%
- C. CPU utilization above 80%
- D. Free capacity at or less than 50% free capacity
Answer: B
NEW QUESTION # 49
Which CPU family is used on a Dell Unity XT 480?
- A. Haswell
- B. Broadwell
- C. Ice Lake
- D. Skylake
Answer: B
Explanation:
The Dell Unity XT 480 storage system uses the Broadwell CPU family. Broadwell processors are known for their efficiency and performance, making them suitable for storage systems like the Unity XT 480 that require reliable processing power for managing storage tasks.
Reference:
Dell Unity XT 480 Specification Sheet.
Dell Technologies documentation on Unity XT hardware configurations.
NEW QUESTION # 50
Which network option should be configured to provide the best iSCSI performance on a Dell Unity XT array?
- A. Single VLAN for all traffic
- B. Disable flow control
- C. Jumbo frames
- D. iSCSI offload
Answer: C
Explanation:
For optimal iSCSI performance on a Dell Unity XT array, configuring jumbo frames is recommended. Jumbo frames allow for larger packets of data to be sent over the network, reducing the CPU load on both the storage array and the host, and improving overall throughput. Configuring jumbo frames typically involves setting the MTU (Maximum Transmission Unit) to 9000 bytes on all network devices along the path.
NEW QUESTION # 51
Which SAS SSDs are supported by Dell EMC PowerStore?
- A. 960 GB, 1920 GB, and 3840 GB only
- B. 960 GB, 1920 GB, 3840 GB, and 7680 GB
- C. 1920 GB, 3840 GB, and 7680 GB only
- D. 1920 GB, 3840 GB, 7680 GB, and 15360 GB
Answer: D
Explanation:
https://www.delltechnologies.com/asset/en-us/products/storage/industry-market/h18149-dell-emc-powerstore-platform-introduction.pdf
NEW QUESTION # 52
A systems administrator has deployed a DellUnity XT 380F with 90x 1.92 TB SSDs in a dynamic pool How many drives are allocated as spare space?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
Explanation:
The Dell Unity XT 380F has a default spare space allocation of 4% of the total number of drives in a dynamic pool. So with 90x 1.92 TB SSDs, 4 drives will be allocated as spare space. These spare drives are used to automatically replace a failed drive, ensuring data availability and protection.
NEW QUESTION # 53
A customer has a Dell EMC Unity 680F array with a single pool consisting of 10 drives configured with RAID 5 (4+1).
What is the minimum number of drives required to expand the pool?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION # 54
What benefit do higher capacity drives provide in a Dell Unity All Flash array?
- A. Larger I/O size
- B. Efficient utilization of front end ports
- C. Less physical space is used
Answer: C
NEW QUESTION # 55
A PowerStore solution must support hosts using 100 Gb/s Eth connectivity and hosts using 16 Gb/s FC connectivity. How should the I/O Modules be populated according to Dell Best Practices?
- A. 100 Gb/s Eth and 16 Gb/s FC I/O Modules can be placed into any Slot
- B. 100 Gb/s Eth I/O Module in Slot 0 and 16 Gb/s FC I/O Module in Slot 1
- C. 100 Gb/s Eth I/O Module in Slot 1 and 16 Gb/s FC I/O Module in Slot 0
Answer: B
Explanation:
According to Dell best practices for PowerStore solutions, when supporting hosts that use both
100 Gb/s Ethernet (Eth) connectivity and 16 Gb/s Fibre Channel (FC) connectivity, the I/O modules should be populated as follows:
Slot 0: Install the 100 Gb/s Ethernet I/O module. This ensures that the high-speed Ethernet connections are handled by the first slot, which is typically prioritized for network connectivity.
Slot 1: Install the 16 Gb/s Fibre Channel I/O module. This setup leverages the capabilities of the second slot to manage Fibre Channel traffic efficiently.
This configuration ensures optimal performance and adherence to best practices, providing a balanced distribution of network and storage connectivity within the PowerStore system.
NEW QUESTION # 56
Which tool delivers frequent, dynamic, nondisruptive content updates for a user?
- A. My Work
- B. CloudIQ
- C. Live Optics
- D. Environment Collection Tool
Answer: B
Explanation:
CloudIQ is a cloud-based application that provides frequent, dynamic, and nondisruptive content updates to users. It offers proactive monitoring, predictive analytics, and detailed health scores for Dell storage environments, including PowerStore and Unity systems. CloudIQ helps users maintain optimal system performance by delivering real-time insights and alerts about potential issues before they impact operations.
Here's how CloudIQ benefits users:
* Frequent Updates:CloudIQ continuously gathers and analyzes data from connected systems, providing up-to-date information and insights.
* Dynamic Content:The tool dynamically adapts to changing conditions in the storage environment, offering relevant recommendations and updates.
* Nondisruptive:All updates and insights provided by CloudIQ are nondisruptive, ensuring that there is no interruption to the system's operations.
References:
* Dell Technologies CloudIQ Overview
* Dell Entry-Level and Mid-Range Storage Community
NEW QUESTION # 57
Which file resources are supported with Dell EMC Unity asynchronous replication?
- A. File systems and LUNs
- B. NAS servers and NFS datastores
- C. Consistency Groups and file systems
- D. LUNs and VMFS datastores
Answer: B
Explanation:
Reference: https://www.delltechnologies.com/en-us/documentation/unity-family/unity-p- replication-config/02-unity-rep-br-workflow.htm
NEW QUESTION # 58
A customer requests a proposal for a new Dell EMC SC Series storage system with the following specifications:
IO type: Random
Existing data: 100 TB
Rate of change: 2 TB per day
Growth rate: 100 GB per day
Snapshot retention: 1 week
What storage capacity should be specified to scope the system with Tier 1 RAID 10 protection?
- A. 4.5 TB
- B. 2.5 TB
- C. 8.5 TB
- D. 6.5 TB
Answer: A
NEW QUESTION # 59
A storage administrator is trying to create a new hybrid pool on their Dell Unity XT 680.
They want to add:
- 18x3.84 TBSSD drives
- 72x 1200 GB 10K SAS drives
- 64x 12 TBNLSAS drives
However, this action is not being permitted by the Unity software.
What is the reason for this?
- A. The pool must be created with only a single drive type
- B. There are too many disks in the SAS tier
- C. 3.84 TB SSD are only supported in all flash pools
- D. 12 TB NLSAS drives are only permitted in archive pools
Answer: C
Explanation:
The storage administrator is not able to create a new hybrid pool on their Dell Unity XT 680 because the 3.84 TB SSD drives are only supported in all flash pools. Dell Unity XT supports the use of SSDs in all-flash pools, where the entire pool is built from SSD drives, to provide high performance for I/O-intensive workloads.
NEW QUESTION # 60
What is the minimum number of drives in a RAID 6 dynamic pool?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B,C
Explanation:
* RAID 6 Dynamic Pool Configuration:
* RAID 6 provides high data protection by using double parity, allowing for two drive failures without data loss.
* Minimum Number of Drives:
* A RAID 6 dynamic pool in Dell Unity XT systems requires a minimum of 8 drives to configure.
This includes 2 drives for parity and 6 drives for data storage.
* Drive Configuration:
* The minimum configuration ensures that the system can provide the necessary data protection and redundancy while maintaining performance.
* Dell Midrange Storage References:
* Dell Unity XT documentation provides detailed guidelines on RAID configurations and the minimum requirements for various RAID levels.
* Community forums and support resources from Dell Technologies offer additional insights into RAID setup and best practices.
References:
* Dell Unity XT RAID Configuration Guide
* Dell Community on RAID Configurations
NEW QUESTION # 61
What is the recommended order for connecting DAEs to SAS ports when only two ports are available on each SP of a Dell Unity XT DPE?
- A. DAE 1 to SAS Bus 1 DAE 2 to SAS Bus 0 DAE 3 to SAS Bus 1
- B. DAE 1 to SAS Bus 0 DAE 2 to SAS Bus 0 DAE 3 to SAS Bus 1
- C. DAE 1 to SAS Bus 0 DAE 2 to SAS Bus 1 DAE 3 to SAS Bus 0
- D. DAE 1 to SAS Bus 1 DAE 2 to SAS Bus 1 DAE 3 to SAS Bus 0
Answer: C
Explanation:
When connecting Disk Array Enclosures (DAEs) to SAS ports on a Dell Unity XT DPE (Disk Processor Enclosure) with only two ports available on each SP (Storage Processor), the recommended order is DAE 1 to SAS Bus 0, DAE 2 to SAS Bus 1, and DAE 3 to SAS Bus 0. This configuration helps in balancing the load across the available SAS ports, ensuring optimal data flow and performance.
NEW QUESTION # 62
What provides data analytics for Dell EMC Midrange storage?
- A. CloudIQ
- B. Unisphere Central
- C. DSM
- D. eLab Advisor
Answer: A
Explanation:
Reference: https://advance.biz-tech-insights.com/whitepaper/h15387-cloudiq-top-reasons.pdf
NEW QUESTION # 63
A customer is using Dell Unity XT 880 storage with 120 HDD Drives, with 10% of flash capacity from flash drives in RAID 5. They have eight LUNs provisioned for bandwidth-oriented workload.
The workload is evenly split between two controllers, all available eight FC 32Gb/s ports. The customer is not able to reach more than 10 GB/s of read throughput.
What is the cause of this issue?
- A. HDD drives saturated
- B. SAS bus saturated
- C. Read cache saturated
- D. Frontend saturated
Answer: B
NEW QUESTION # 64
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