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EMC D-MSS-DS-23 Exam Syllabus Topics:
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NEW QUESTION # 39
What is the minimum number of drives in a RAID 5 dynamic pool?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
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.
Reference:
Dell EMC Unity RAID Configuration Guide.
Dell EMC Unity Best Practices Guide.
NEW QUESTION # 40
Drag and Drop Question
In vCenter, what is the correct order of steps to create a VM in a storage container provisioned on a Dell EMC Power Store system?
Answer:
Explanation:
NEW QUESTION # 41
What is the minimum number of drives in a RAID 6 dynamic pool?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B,D
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.
NEW QUESTION # 42
What provides data analytics for Dell EMC Midrange storage?
- A. Unisphere Central
- B. eLab Advisor
- C. CloudIQ
- D. DSM
Answer: C
Explanation:
Reference: https://advance.biz-tech-insights.com/whitepaper/h15387-cloudiq-top-reasons.pdf
NEW QUESTION # 43
Which option should the technical architect recommend?
- A. The Dell Unity XT 480 supports a 25 GbE card, but the Dell Unity 550F does not support a 25 GbE card.
- B. 25 GbE is not supported on Dell Unity or Dell Unity XT systems.
- C. The Dell Unity 550F supports a 25 GbE card, but the Dell Unity XT 480 does not support a 25 GbE card.
- D. All Dell Unity and Dell Unity XT systems support 25 GbE.
Answer: A
NEW QUESTION # 44
Which tool is used to remediate issues discovered during a site evaluation?
- A. Live Optics
- B. Grab
- C. CloudIQ
- D. ECT
Answer: D
Explanation:
The tool used to remediate issues discovered during a site evaluation is ECT (ESRS Configuration Tool). ECT is a diagnostic and remediation tool provided by Dell that assists in configuring and troubleshooting ESRS (Secure Remote Services), which is essential for proactive monitoring and support of Dell EMC systems. ECT helps ensure that any identified issues during site evaluations are addressed effectively.
NEW QUESTION # 45
What are characteristics of D@RE on a Dell EMC Unity array?
- A. Impacts array for a moment after implementation Has no impact on performance
- B. Does not impact array during implementation Has some impact on performance for a moment
- C. Does not impact array during implementation Has minimal impact on performance
- D. Impacts array only during implementation Has minimal impact on performance
Answer: C
NEW QUESTION # 46
A customer must provision file systems on a Dell Unity XT 480F for a test environment. A dynamic pool will be configured with RAID 5 (4+1) protection to match the production pool. The used tier contains only SAS Flash 3 drives. What is the minimum drive count necessary to create this pool?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
Explanation:
* Dynamic Pool Configuration with RAID 5:
* RAID 5 (4+1) protection involves 4 data drives and 1 parity drive.
* Minimum Drive Count:
* For creating a dynamic pool with RAID 5 (4+1), the configuration must include at least 2 RAID 5 (4+1) groups to ensure redundancy and performance.
* The minimum drive count for this setup would be 2 * (4 + 1) + 1 (hot spare) = 11 drives.
* RAID 5 Requirements:
* This configuration ensures that the dynamic pool has enough drives to maintain performance and data protection according to Dell's best practices.
* Dell Midrange Storage References:
* Dell Unity XT documentation provides detailed guidelines on RAID configurations and the minimum drive requirements for dynamic pools.
* Community forums and support resources from Dell Technologies offer insights into best practices for configuring RAID and dynamic pools.
References:
* Dell Unity XT RAID Configuration Guide
* Dell Community on Storage Configurations
NEW QUESTION # 47
A technical architect is designing a Dell Unity XT 480 using the System Designer option of Sizer. What is the recommended minimum amount of Flash that they should specify?
- A. 7%
- B. 5%
- C. 10%
- D. 15%
Answer: D
Explanation:
When designing a Dell Unity XT 480 using the System Designer option of Sizer, the recommended minimum amount of Flash to specify is 15%. This ensures that there is sufficient flash capacity to handle performance-intensive workloads and provides a good balance between performance and cost. Flash storage is crucial for achieving high IOPS and low latency in the storage system. Reference:Dell Unity XT Sizing Guide
NEW QUESTION # 48
Which tool delivers frequent, dynamic, nondisruptive content updates for a user?
- A. Environment Collection Tool
- B. My work
- C. Live Optics
- D. CloudIQ
Answer: D
NEW QUESTION # 49
A solutions architect must present two different Dell PowerStore options to a customer Both options must contain 90 TB raw in the smallest drive configuration possible A 3000T and a 9000T are the two models requested. The customer wants to know the minimum drive count necessary to perform a capacity upgrade Which solution should be recommended?
- A. A 6x 15 TB drives in the 3000T and 6x 15 TB drives in the 9000T both requiring upgrades in six drive increments
- B. 6x 15 TB drives in the 3000T and 6x 15 TB drives in the 9000T both supporting single drive upgrades
- C. 12x 7 TB drives in the 3000T and 6x 15 TB drives in the 9000T both requiring upgrades in six drive increments
- D. 6x 15 TB drives in the 3000T and 12x 7 TB drives in the 9000T both supporting single drive upgrades
Answer: B
Explanation:
This option provides the smallest drive configuration possible for both the 3000T and 9000T models, and allows for single drive upgrades, which is more flexible for the customer.
NEW QUESTION # 50
What is done during the preconfigure step of a PowerStore block import migration?
- A. Import schedule is set
- B. Destination volume is created
- C. Network connectivity is set up
- D. Source system is added to the PowerStore
Answer: A,B,C,D
NEW QUESTION # 51
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?
- A. The Windows user access is removed
- B. The Windows user is mapped to the default UNIX account
- C. Secmap is checked
- D. The domain controller is checked
Answer: D
Explanation:
When a Windows client uses the SMB protocol to access a multiprotocol file system from a Dell Unity XT NAS server, the SID (Security Identifier) of the Windows user is mapped to a UID (User Identifier) on the UNIX file system. If no mapping is found in the local group database, the domain controller is checked to see if the SID is present there.
The domain controller can provide the information needed to map the SID to the corresponding UID on the file system, allowing the Windows user to access the files. If the SID is not present in the domain controller, the Windows user's access would be removed.
NEW QUESTION # 52
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 # 53
What is Dell's recommendation for scheduling FAST VP relocation?
- A. During backups or nightly batch processing
- B. After backups or nightly batch processing
- C. Before and 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 # 54
What is the purpose of the NVMe NVRAM drives in Dell PowerStore?
- A. Read and write cache
- B. Vaulting and write cache
- C. Read cache and metadata
- D. Vaulting and read cache
Answer: B
NEW QUESTION # 55
An architect is designing a cost-effective PowerStore solution in sizer that is expected to perform in the event of a node failure without impacting the max performance. What must be considered?
- A. Set Max Performance Saturation to 50% while sizing.
- B. Plan and design a disaster recovery site.
- C. Provide a higher model than the sizer-recommended solution.
- D. Set Performance Growth to 50% while sizing.
Answer: A
Explanation:
Designing for Node Failure:
Ensuring a PowerStore solution performs optimally even in the event of a node failure requires careful consideration of performance thresholds.
Max Performance Saturation:
Setting the Max Performance Saturation to 50% during the sizing process ensures that in the event of a node failure, the remaining node can handle the load without performance degradation.
This conservative approach allows the system to operate within safe performance limits, maintaining high availability and performance.
NEW QUESTION # 56
What is the recommended number of IP addresses for optimal performance of PowerStoreX?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION # 57
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