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DES-1D12 Specialist – Technology Architect, Midrange Storage Solutions Exam is a qualifying exam for the Specialist – Technology Architect, Midrange Storage (DCS-TA) track. This exam tests the candidate’s knowledge to design solutions for Dell EMC Unity and PowerStore. This exam also tests the candidate’s knowledge of key product features of both storage systems.

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1. When designing a Dell EMC Unity 480F solution, what is the maximum number of enclosures and drive slots, per bus?

10 enclosures and 250 drive slots

10 enclosures and 500 drive slots

3 enclosures and 240 drive slots

10 enclosures and 750 drive slots

2. Which SAS SSDs are supported by Dell EMC PowerStore?

1920 GB, 3840 GB, 7680 GB, and 15360 GB

1920 GB, 3840 GB, and 7680 GB only

960 GB, 1920 GB, and 3840 GB only

960 GB, 1920 GB, 3840 GB, and 7680 GB

3. An analysis of a current customer environment reveals a peak of 6,600 IOPS with 4,500 writes and 2,100 reads. The sample was gathered at 10-minute intervals.

Given this information, what is a reasonable IOPS target for the Tier 1 drives in a Dell EMC SC Series solution?

7,000 IOPS

9,000 IOPS

12,000 IOPS

15,000 IOPS

4. Which Dell EMC Unity feature provides network high availability with active-passive ports when provisioning File storage fora NAS client?

Link Aggregation

Preferred Interfaces

Fail-safe Networking

Redundant Interfaces

5. What is a characteristic of tenant traffic on a Dell EMC Unity array?

Separated by one associated VLAN providing data separation with increasing security at the Linux Kernel layer

Separated by the associated subnet providing data separation with increasing security at the network layer

Separated by the associated VLANs at the Linux Kernel layer

Separated by the associated subnet at the Linux Kernel layer

6. How many replication rules can be applied to a cluster in Dell EMC PowerStore?

7. Which operating systems support Optical Prime?

ESXi and Linux only

Windows, ESXi, and Linux

Windows and Linux only

Windows, Hyper-V, and ESXi

8. What is the correct order of steps to create a LUN on Dell EMC Unity storage?

9. What provides data analytics for Dell EMC Midrange storage?

CloudIQ

DSM

eLab Advisor

Unisphere Central

10. When enabling a multi-protocol NAS implementation on a Dell EMC Power Store array, what is required for an end-to-end mapping of a Windows system?

Security ID (SID)

Active Directory (AD)

User ID (UID)

Group ID (GID)

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11. What is a key feature of the Dell EMC Future-Proof Storage Loyalty Program for Dell EMC SC Series arrays?

4:1 Performance Guarantee

4:1 Efficiency Guarantee

4 Year Satisfaction Guarantee

4:1 Reduction Guarantee

12. You are upgrading a Dell EMC Unity array to a Dell EMC PowerStore 1000T array. The customer asks what they need to do so they can map PowerStore snapshots from the new PowerStore array to a host.

What should be your response?

Create a thin clone of the snapshot

Create a copy of the snapshot

Create a volume group of the snapshot

Create a read/write snapshot of the snapshot

13. Which Dell EMC Unity OE 5.0 enhancements improve asynchronous replication?

Fan-out and Cascade Replication

GeoSync and NAS server mobility

NAS server mobility and Fan-out Replication

Cascade Replication and GeoSync

14. Which file resources are supported with Dell EMC Unity asynchronous replication?

Consistency Groups and file systems

Filesystems and LUNs

NAS servers and NFS data stores

LUNs and V MFS data stores

15. You are sizing a new Dell EMC SC Series array. Upon analyzing the Live Optics report, you find the current system has a peak throughput of 8932 MB.

What is the minimum number of 16Gb FC front-end ports required to meet the throughput needs?

16. You are sizing a new Dell EMC SC Series array. Upon analyzing the Live Optics report, you find the current system has a peak throughput of 4687 MB.

What is the minimum number of 10Gb iSCSI front-end ports required to meet the throughput needs?

17. Which encryption algorithm is used for SMB shares on Dell EMC Unity?

AES-CCM

AES-CMAC

AES128-GCM

HMAC-SHA256

18. What is the function of CMI on a Dell EMC Unity array?

Handles API calls for HTTP client

Enables Vaulting to Disk

Acts as an extension of

2 memory

Used for inter-SP communications

19. Which QoS option is NOT supported by Dell EMC Unity XT?

iSCSI

VMFS Datastore

Attached Snapshot

Individual or Group LUN

20. What is a benefit of restoring data from a Dell EMC Unity snapshot?

Does not require additional pool storage

Supports replication to up to 32 remote systems

Enables efficient storage usage with 8 KB block granularity

Can select which Consistency Group members have data restored

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21. Recent legislation requires a government customer to enhance data security by utilizing D@RE with SED drives and use Level 3 certified security.

Which KMS product should be recommended for use with Dell EMC SC Series arrays?

Dell EMC Cloud Link

Thales Vormetric VTE

StorSecure StorMagic

Gemalto SafeNet K460

22. Which Dell EMC tool uses an HTML5 interface and best practices to predict storage performance?

UniSphere

Midrange Sizer

Unity Sizer

MiTrend

23. An ISP needs a data storage solution that allows them to set policies over resource usage. The solution needs to support network multi-tenancy while also providing full network failover protection.

What combination of Dell EMC SC Series features meets these requirements?

Replication and vVols

Multi-protocol and Live Volume

VLAN Tagging and QoS

Thin Replication and Storage Profiles

24. A customer wants to expand their Dell EMC Unity Hybrid system, which includes a pool of 64 drives in a RAID 5 (4+1) configuration.

What is the minimum number of drives needed to expand the pool?

25. Match each feature with the Dell EMC Midrange storage solution on which it is implemented.

26. For Dell EMC SC Series arrays, what is the minimum percentage of total system IOPS that should be applied to Tier 3 drives?

15%

20%

25%

100%

27. What are characteristics of D@RE on a Dell EMC Unity array?

Impacts array only during implementation Has minimal impact on performance

Does not impact array during implementation Has some impact on performance for a moment

Impacts array for a moment after implementation Has no impact on performance

Does not impact array during implementation Has minimal impact on performance

28. 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?

Leverage the integration investment and use only PS-to-PS replication on those volumes

Cross-platform replication works with PS Series HIT integrations.

Recreate integration on the SC Series array and use only SC-to-SC replication for those volumes.

Cross-platform replication works with SC Series HIT integrations.

29. A customer sales order lists M.2 Devices as a line item. The order is for a Dell EMC Unity 380F array.

How many M.2 Devices should appear in the order?