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How to Prepare for Dell EMC Midrange Storage Solutions Specialist (DES-1D12) Exam
Preparation Guide for Dell EMC Midrange Storage Solutions Specialist (DES-1D12) Exam
Introduction
This professional certification provides specialist level certification encompassing a strong understanding of Dell EMC midrange storage solutions for the SC Series and Dell EMC Unity. This will be the desired certification for those engaged in designing solutions around Dell EMC Unity and SC Series storage arrays. DES-1D12 Exam focuses on the knowledge needed for the positioning, sizing and designing of midrange storage solutions in a customer environment. This includes a detailed understanding of Dell EMC Unity and SC Series product configurations, features, functionality, best practices, and design considerations. All of these points are covered in DES-1D12 dumps.
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This exam focuses on information storage and management in a data center. It includes third platform technologies, intelligent storage systems, software-defined storage, storage networking technologies, and various business continuity options along with security and management of a storage infrastructure. A limited number of questions refer to product examples that are used in the training to reinforce the knowledge of technologies and concepts.
NEW QUESTION 35
To which bus is the Dell EMC Unity 880F DPE connected?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 36
How are vVol datastores mounted in Dell EMC PowerStore storage during the creation of vVol datastores in the vSphere environment shared by ESXi hosts?
- A. Volume Groups
- B. VMFS datastores
- C. Storage containers
- D. Storage Groups
Answer: C
Explanation:
A storage container is used to present vVol storage from a PowerStore cluster to vSphere. vSphere mounts the storage container as a vVol datastore and makes it available for VM storage. When a PowerStore cluster is used to provide VM storage, user VMs should be provisioned on the vVol datastores. The default storage container is mounted automatically on the nodes of the cluster.
NEW QUESTION 37
From which Dell EMC storage system can a Dell EMC PowerStore array natively import data?
- A. VNX
- B. VNX2
- C. PowerVault
- D. VMAX
Answer: B
Explanation:
Explanation/Reference: https://www.dell.com/support/manuals/en-my/powerstore-1000/pwrstr-import/importing- external-storage-to-powerstore-overview?guid=guid-6fef77c4-d4c9-49c6-8de2- efd67aa52ca5#:~:text=Importing%20external%20storage%20to%20PowerStore%20is%20a%20migration
%20solution%20that,Dell%20EMC%20Unity%20Series
NEW QUESTION 38
A Dell EMC Unity storage administrator needs to build a NAS server configuration to support failover between SPs and NAS resources. What is a term for this configuration?
- A. IP Multi-tenancy
- B. Local Replication
- C. Separate IP Switches
- D. LACP
Answer: B
NEW QUESTION 39
A Dell EMC Unity storage administrator needs to build a NAS server configuration to support failover between SPs and NAS resources. What is a term for this configuration?
- A. IP Multi-tenancy
- B. Local Replication
- C. Separate IP Switches
- D. LACP
Answer: B
Explanation:
Explanation/Reference: https://www.delltechnologies.com/en-ae/documentation/unity-family/unity-p-replication- config/02-unity-rep-br-workflow.htm
NEW QUESTION 40
When a remove replication operation is performed on a Dell EMC PowerStore array, what happens to the destination storage resource?
- A. Stays in read/write mode
- B. Stays in read-only mode
- C. Is deleted
- D. Taken offline
Answer: A
NEW QUESTION 41
Which encryption algorithm is used for SMB shares on Dell EMC Unity?
- A. AES-CCM
- B. AES-CMAC
- C. AES128-GCM
- D. HMAC-SHA256
Answer: A
NEW QUESTION 42
A customer site has four NAS servers participating in MetroSync replication. Which Dell EMC Unity feature could reduce failover times?
- A. SRDF Metro
- B. Consistency Groups
- C. Cabinet Failover
- D. QoS Failover Policy
Answer: B
NEW QUESTION 43
Which features were introduced in SCOS 7.3?
- A. Unisphere for SC and Live Volume Auto-failover
- B. Data-in-Place upgrade for SC4020 and 4K HDD support
- C. Distributed Sparing and Live Volume ALUA
- D. CloudlQ support and Cross Platform Replication
Answer: C
Explanation:
Reference:
https://www.delltechnologies.com/en-us/blog/storage-center-os-7-3-brings-big-performance-boost- to-sc-series-arrays/
NEW QUESTION 44
Which feature helps to enable file service High Availability on Dell EMC PowerStore?
- A. Redundant nodes with Live Volume enabled
- B. Multiple redundant network ports with system bond
- C. RAID protected disk drives
- D. NAS Network Heartbeat
Answer: D
NEW QUESTION 45
A customer has invested much time using the Dell PS Series Host Integration Toolkit (HIT) to integrate SAN snapshot protection with Microsoft SQL Server native snapshot technology. The customer expresses concern about whether Dell EMC SC Series cross-platform replication supports that capability.
What should be your response?
- A. Leverage the integration investment and use only PS-to-PS replication on those volumes.
- B. Recreate integration on the SC Series array and use only SC-to-SC replication for those volumes.
- C. Cross-platform replication works with SC Series HIT integrations.
- D. Cross-platform replication works with PS Series HIT integrations.
Answer: A
NEW QUESTION 46
What are characteristics of D@RE on a Dell EMC Unity array?
- A. Impacts array only during implementation Has minimal impact on performance
- B. Does not impact array during implementation Has minimal impact on performance
- C. Impacts array for a moment after implementation
Has no impact on performance - D. Does not impact array during implementation Has some impact on performance for a moment
Answer: B
Explanation:
controller-based D@RE has minimal performance impact for typical mixed workloads, and no impact to other Dell EMC Unity data services due to the level at which the encryption is performed, which is after all data services have been applied. https://www.delltechnologies.com/en-us/collaterals/unauth/white-papers/products/storage/h15090-dell-emc-unity-data-at-rest-encryption.pdf
NEW QUESTION 47
When enabling a multi-protocol NAS implementation on a Dell EMC PowerStore array, what is required for an end-to-end mapping of a Windows system?
- A. User ID (UID)
- B. Group ID (GID)
- C. Security ID (SID)
- D. Active Directory (AD)
Answer: C
Explanation:
Reference:
https://www.delltechnologies.com/en-us/collaterals/unauth/white-papers/products/storage/h18155- dell-emc-powerstore-file-capabilities.pdf
NEW QUESTION 48
A customer asks you about the maximum load of their new Dell EMC SC Series array. Which term should you use in response?
- A. Latency
- B. MB
- C. IOPS
- D. CPU Cycles
Answer: C
Explanation:
Reference:
https://downloads.dell.com/manuals/common/sc-series-performance-availability-best-practices-dell-emc-4024-bp-sc_en-us.pdf
NEW QUESTION 49
What are characteristics of D@RE on a Dell EMC Unity array?
- A. Impacts array only during implementation Has minimal impact on performance
- B. Does not impact array during implementation Has minimal impact on performance
- C. Impacts array for a moment after implementation
Has no impact on performance - D. Does not impact array during implementation Has some impact on performance for a moment
Answer: B
NEW QUESTION 50
What is the Dell EMC best practice for sizing and designing a Dell EMC SC Series solution?
- A. Size for performance first and capacity second
- B. Drive capacity should meet performance needs
- C. Size for capacity; Data Progression should always meet performance needs
- D. Front-end ports required for performance should always meet capacity needs
Answer: B
NEW QUESTION 51
At what granularity are blocks deduplicated on a Dell EMC PowerStore array?
- A. 32 KB
- B. 8 KB
- C. 64 KB
- D. 4 KB
Answer: D
Explanation:
https://www.delltechnologies.com/resources/en-us/asset/white-papers/products/storage/h18151-dell-emc-powerstore-data-efficiencies.pdf Deduplication uses algorithms to analyze, perform pattern detection, and attempts to store only a single instance of data. In general deduplication can work at the block, bit-level, or file level. In PowerStore, deduplication works at the block level at 4 KB granularity.
NEW QUESTION 52
What is the purpose of the NVMe NVRAM drives in a Dell EMC PowerStore 9000 array?
- A. Write cache and base OS
- B. Read cache and base OS
- C. Read cache and vaulting
- D. Write cache and vaulting
Answer: D
Explanation:
Reference:
https://www.delltechnologies.com/en-us/collaterals/unauth/white-papers/products/storage/h18149- dell-emc-powerstore-platform-introduction.pdf (12)
NEW QUESTION 53
For Dell EMC SC Series arrays, what is the minimum percentage of total system IOPS that should be applied to Tier 3 drives?
- A. 25%
- B. 15%
- C. 100%
- D. 20%
Answer: D
Explanation:
"As a standard, tier 3 drives should encompass a minimum of 20% system IOPS potential."
NEW QUESTION 54
In Dell EMC PowerStore storage, if the remote cluster has multiple appliances, then what automatically chooses the destination appliance for the resource?
- A. Master appliance
- B. Resource Balancer
- C. Performance Policy
- D. Source array
Answer: C
NEW QUESTION 55
The last two drive slots in a Dell EMC PowerStore 3000 are reserved for which type of drive?
- A. NVMe SCM
Section: (none)
Explanation - B. NVMe SSD
- C. NVMe NVRAM
- D. SAS SSD
Answer: C
NEW QUESTION 56
A Dell EMC PowerStore customer wants to schedule snapshots daily at 6 AM. Which snapshot frequency interval (in minutes) is available?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
Explanation:
Explanation/Reference: https://www.delltechnologies.com/en-us/collaterals/unauth/white-papers/products/storage/ h18156-dell-emc-powerstore-snapshots-thin-clones.pdf (27)
NEW QUESTION 57
Which NVMe SSDs are supported by Dell EMC PowerStore?
- A. 3840 GB, 7680 GB, and 15360 GB only
- B. 960 GB, 1920 GB, 3840 GB, and 7680 GB
- C. 1920 GB, 3840 GB, 7680 GB, and 15360 GB
- D. 1920 GB, 3840 GB, and 7680 GB only
Answer: C
Explanation:
https://www.delltechnologies.com/resources/en-us/asset/data-sheets/products/storage/h18143-dell-emc-powerstore-family-spec-sheet.pdf
NEW QUESTION 58
Which encryption algorithm is used for SMB shares on Dell EMC Unity?
- A. AES-CMAC
- B. AES-CCM
- C. AES128-GCM
- D. HMAC-SHA256
Answer: C
Explanation:
This provides improved security and encryption traffic performance for SMB3 by changing the encryption algorithm from AES-CCM-128 to AESGCM-128. Page 40 : https://www.delltechnologies.com/en-zm/collaterals/unauth/white-papers/products/storage/h15572-dell-emc-unity-nas-capabilities.pdf
NEW QUESTION 59
You are designing a Dell EMC Unity solution. You need to predict its expected performance based on workload, number o and type of drives, and RAID protection.
Which design path on the Midrange Sizer should you take?
- A. Quick Configuration path
- B. Application Oriented path
- C. Performance Data Input path
- D. System Designer path
Answer: D
NEW QUESTION 60
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