D-MSS-DS-23 Dumps Free Test Engine Player Verified Updated [Apr 05, 2025]
Q&As with Explanations Verified & Correct Answers
NEW QUESTION # 121
A customer asks you about the maximum load of their new Dell EMC SC Series array.
Which term should you use in response?
- A. IOPS
- B. CPU Cycles
- C. Latency
- D. MB
Answer: A
Explanation:
Reference: https://downloads.dell.com/manuals/common/sc-series-performance-availability-best- practices-dell-emc-4024-bp-sc_en-us.pdf
NEW QUESTION # 122
Which QoS option is NOT supported by Dell EMC Unity XT?
- A. iSCSI
- B. Individual or Group LUN
- C. VMFS Datastore
- D. Attached Snapshot
Answer: C
Explanation:
Reference: https://muj.autocont.cz/Content/dellweb/pdf/Dell-EMX-Unity-XT- prezentace.pdf?AspxAutoDetectCookieSupport=1
NEW QUESTION # 123
What initiates an automatic NAS server failover to the peer SP?
- A. Network link failure
- B. Assisted internal migration
- C. SP hardware fault
- D. Resource balancing algorithm
Answer: C
Explanation:
An SP hardware fault initiates an automatic NAS server failover to the peer SP in Dell Unity systems. This ensures that the NAS services remain available in case of hardware failure in one of the Storage Processors (SPs). The failover process is automatic and transparent to the hosts accessing the data, and it helps to maintain the high availability of the NAS services.
NEW QUESTION # 124
Which two statements are correct in reference to an NVMe Expansion Enclosure attached to a PowerStore?
(Select 2)
- A. Slots for 25 2.5-inch NVMe drives
- B. Supports the use of NVMe SCM Drives
- C. Not supported on systems that include SAS expansion enclosures
- D. Requires v2 embedded module in base enclosure
Answer: A,B
Explanation:
The NVMe Expansion Enclosure attached to a PowerStore system includes slots for 25 2.5-inch NVMe drives and supports the use of NVMe Storage Class Memory (SCM) drives. These features allow for high-performance storage expansion with low latency and improved efficiency.
NEW QUESTION # 125
What is the minimum number of drives in a RAID 5 dynamic pool?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
Explanation:
The minimum number of drives in a RAID 5 dynamic pool is 5. RAID 5 requires at least 3 drives for data striping with parity, but Dell's implementation in Unity systems requires a minimum of 5 drives to ensure optimal performance and reliability.
NEW QUESTION # 126
What type of template in the PowerStore sizing tool do the following parameters represent?
- Random Read: 50%
- Random Write: 50%
- Read Size: 32 KiB
- Write Size: 32 KiB
- A. MS SQL
- B. Exchange 2010
- C. Oracle OLTP
Answer: B
NEW QUESTION # 127
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 source site
- B. Planned failover from target site
- C. Failover from source site
- D. Failover from target site
Answer: A
Explanation:
For a customer preparing for a data center maintenance window and wanting to test their disaster recovery plan, the recommended PowerStore Manager replication option is a planned failover from the source site. This process involves initiating the failover from the source site, ensuring a controlled transition of applications and services to the disaster recovery site. Planned failover allows for testing the disaster recovery plan while maintaining data integrity. Reference:Dell PowerStore Replication Best Practices
NEW QUESTION # 128
For Dell EMC SC Series arrays, what is the minimum percentage of total system IOPS that should be applied to Tier 3 drives?
- A. 100%
- B. 20%
- C. 25%
- D. 15%
Answer: B
Explanation:
"As a standard, tier 3 drives should encompass a minimum of 20% system IOPS potential."
NEW QUESTION # 129
An administrator wants to use NAS Server Mobility to move a NAS server from SPA to SPB on a Dell Unity system.
What consideration must they be aware of?
- A. Any replication sessions must be in a paused state before starting the move
- B. The system must be in service mode to complete the move
- C. NAS Server Mobility is no longer supported following a software update
- D. DNS configuration will be lost after the move
Answer: A
Explanation:
When using NAS Server Mobility to move a NAS server from SPA to SPB on a Dell Unity system, an administrator must be aware that any replication sessions must be in a paused state before starting the move. This means that any data replication sessions that are configured for the NAS server must be temporarily stopped to avoid data inconsistencies or data loss during the move.
Once the move is complete, the replication sessions can be resumed, and data replication will continue as normal. NAS Server Mobility is still supported by Dell Unity, so it's not a concern of the move. The system does not need to be in service mode to complete the move, and the DNS configuration won't be lost after the move, the administrator should make sure that the DNS entries for the NAS server are updated to reflect the new location.
NEW QUESTION # 130
What is skew?
- A. Bursty per-port IOPS
- B. Non-uniform distribution of I/O over storage capacity
- C. Uniform distribution of I/O over storage capacity
- D. Sustained per-port IOPS
Answer: B
NEW QUESTION # 131
In Dell EMC PowerStore storage, if the remote cluster has multiple appliances, then what automatically chooses the destination appliance for the resource?
- A. Source array
- B. Resource Balancer
- C. Master appliance
- D. Performance Policy
Answer: B
Explanation:
From the POWERSTORE ADMINISTRATION PARTICIPANT GUIDE, " Resource balancer also considers the the following when placing volumes: Whether the appliance is offline Appliance failure status Capacity utilization
NEW QUESTION # 132
Which drive type can be used in a FAST Cache pool configuration for Dell Unity XT solutions?
- A. SAS Flash 2
- B. SAS Flash 3
- C. SAS Flash 4
Answer: A
Explanation:
SAS Flash 2 drives can be used in a FAST Cache pool configuration for Dell Unity XT solutions. FAST Cache (Fully Automated Storage Tiering Cache) allows frequently accessed data to be moved to high-performance SSDs, improving overall system performance. SAS Flash 2 drives are suitable for this purpose, providing a balance of performance, endurance, and cost. Reference:Dell Unity XT FAST Cache Overview
NEW QUESTION # 133
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: A
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 # 134
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?
- A. Configure the Unity solution as an alternative.
- B. Change the DRR of the solution.
- C. Change the DRE Tolerance Parity in System Editor.
Answer: B
Explanation:
* Understanding DRR (Data Reduction Ratio):
* The Data Reduction Ratio (DRR) is a measure used in storage solutions to determine the efficiency of data reduction technologies such as deduplication and compression.
* In NVMe-based systems like PowerStore, achieving an optimal DRR is crucial for balancing capacity and performance.
* Sizing PowerStore Solutions:
* When sizing a PowerStore solution, it's essential to align the provided capacity and performance (IOPS) with the customer's requirements.
* If the recommended solution vastly exceeds the requested capacity (10 times more in this case), it indicates an overly conservative DRR assumption.
* Recommended Action:
* The architect should adjust the DRR to reflect a more accurate estimate that aligns with the customer's actual data reduction potential.
* This adjustment ensures that the solution is cost-effective and meets the performance criteria without excessive over-provisioning.
* Dell Midrange Storage References:
* Dell Technologies documentation on PowerStore solutions provides detailed guidelines on DRR configurations and best practices.
* Resources include sizing tools, system editor settings, and real-world case studies that illustrate appropriate DRR adjustments.
References:
* Dell PowerStore Overview
* Dell Community on Midrange Storage
* Dell Storage Product Information
NEW QUESTION # 135
What is the maximum number of splits that can be performed for a workload in the PowerStore sizing tool using the split workload toggle?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION # 136
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. SANCopy and PowerPath Migration Enabler
- C. EMCopy and SANCopy
- D. PowerPath Migration Enabler and Rsync
Answer: B
NEW QUESTION # 137
Drag and Drop Question
Drag to right to correct step.
Answer:
Explanation:
NEW QUESTION # 138
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