Free DES-1D12 Exam Braindumps (page: 8)

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Which Dell EMC Unity storage array models support NVMe?

  1. 380, 880, and 880F
  2. 680F, 880, and 880F only
  3. 680, 680F, 880, and 880F
  4. 380, 380F, and 480F

Answer(s): C

Explanation:

https://delltechnologies.techdata.nl/app/uploads/2019/02/dell-emc-unity-xt-selling-guide.pdf



A storage administrator wants to do a tech refresh from a legacy EQL system to a new Dell EMC SC Series array.
What is needed to correctly size the new array?

  1. Latency
  2. Peak IOPS information
  3. Storage tiers
  4. Contract support end date

Answer(s): B

Explanation:

https://downloads.dell.com/manuals/common/sc-series-performance-availability-best-practices- dell-emc-4024-bp-sc_en-us.pdf
(1.9 Sizing an SC Series array for performance requirements - pag.9)



What are the two biggest factors that determine IOPS when using SSDs in a Dell EMC SC Series array?

  1. Current latency and queue depth
  2. Application block size and overall throughput
  3. Multi-tenant arrays and tier configuration
  4. Read/write percentage and peak workload

Answer(s): B

Explanation:

The reason there is such a large range in the number of IOPS delivered by SSDs is the IOPS are truly dependent on the type of traffic the SC Series was designed to handle. The two biggest factors that will determine IOPS in an SSD environment are block size of the application and overall throughput.


Reference:

https://downloads.dell.com/manuals/common/sc-series-performance-availability-best- practices- dell-emc-4024-bp-sc_en-us.pdf



Which QoS options are supported by Dell EMC Unity XT?

  1. VMFS Datastore and Storage Pool
  2. iSCSI and Attached Snapshot
  3. Individual LUN and iSCSI
  4. Individual LUN and Group LUN

Answer(s): D






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