EMC EMC Certifications DES-1D12 Questions & Answers

• Question 91:

  A customer asks you about adding 4-port 1 GbE BaseT connectivity to their Dell EMC Unity XT series array.

  What should be your response?

  A. 4-port 1GbE BaseT module is supported on Unity XT with the latest Enginuity code

  B. 4-port 1GbE BaseT module is provided by the Mezz card on Unity 80 series models

  C. 4-port 1GbE BaseT module is not available on Unity XT

  D. 4-port 1GbE BaseT module is supported across all Unity models

  Correct Answer: C

  4-Port Mezz Card

  •

  Mezz cards are only available on the 480/F through 880/F systems

  •

  Mezz cards are optional and will be available with the following configurations:

  –

  4-Port 25GbE Optical › 10Gb or 25Gb SFPs › Can mix 10Gb and 25Gb SFPs on same card

  –

  TwinAx

  –

  4-Port 10GbE BaseT

  –

  4-Port card network ports can be included in LACP and FSN configurations

  –

  No Mezz Card

• Question 92:

  How many hierarchical snapshots are supported by Dell EMC PowerStore 9000X array?

  A. 0 levels deep for LUNs 0 levels deep for file systems

  B. 32 levels deep for LUNs 16 levels deep for file systems

  C. 10 levels deep for LUNs 10 levels deep for file systems

  D. 16 levels deep for LUNs 16 levels deep for file systems

  Correct Answer: C

• Question 93:

  What is the minimum recommended amount of Flash capacity in a Dell EMC Unity 880 Hybrid pool?

  A. 5%

  B. 8%

  C. 10%

  D. 15%

  Correct Answer: C

  Reference: https://www.delltechnologies.com/en-us/collaterals/unauth/white-papers/products/storage/h15093-dell-emc-unity-best-practices-guide.pdf (16)

• Question 94:

  In Dell EMC PowerStore storage, if the remote cluster has multiple appliances, then what automatically chooses the destination appliance for the resource?

  A. Performance Policy

  B. Resource Balancer

  C. Master appliance

  D. Source array

  Correct Answer: B

  From the POWERSTORE ADMINISTRATION PARTICIPANT GUIDE, " Resource balancer also considers the the following when placing volumes:

  1.

  Whether the appliance is offline

  2.

  Appliance failure status

  3.

  Capacity utilization

• Question 95:

  A customer asks you about the maximum load of their new Dell EMC SC Series array. Which term should you use in response?

  A. MB

  B. IOPS

  C. CPU Cycles

  D. Latency

  Correct Answer: B

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

• Question 96:

  What is a consequence of using a 1.6 TB drive and five 400 GB drives in a Dell EMC Unity XT dynamic pool?

  A. Extents 9 - 19 are used to create the RAID Group

  B. Unisphere short strokes the 1.6 TB drive to 8 extents

  C. Extents 9 - 19 are marked unavailable until more 1.6 TB drives are added

  D. Extents 9 - 19 are marked unavailable and can never be recovered

  Correct Answer: C

  Reference:https://www.delltechnologies.com/asset/en-us/products/storage/industry-market/h16289-dell_emc_unity-dynamic_pools.pdf

• Question 97:

  What is the maximum capacity of a file system on a Dell Unity XT 380?

  A. 64 TB

  B. 32 TB

  C. 256 TB

  D. 128 TB

  Correct Answer: C

  The maximum capacity of a file system on a Dell Unity XT 380 can be up to 256 TB. This high capacity is possible due to the advanced storage features such as data reduction, data tiering and use of high-density drives. The file system capacity can be increased by adding more drives, and by configuring the storage pool and LUNs in a way that maximizes storage utilization and performance. It's important to note that this may vary depending on the specific version and software of the Dell Unity XT 380.

• Question 98:

  A storage administrator is deploying a new Dell Unity XT 880F system The system will be used over FC by several hosts running production databases The system will also be used over iSCSI to several hosts running tesVdev workloads The administrator wants to prevent the test/dev hosts from using more than 5000 IOPS

  What Unity XT feature can be used for this configuration?

  A. Thin clones

  B. LUN masking

  C. Host I/O limits

  D. FASTVP

  Correct Answer: C

  Dell Unity XT's Host I/O limits feature allows you to set limits on IOPS for individual hosts connected over iSCSI. This can be used to restrict the test/dev hosts to a maximum of 5000 IOPS

• Question 99:

  What tabs are available on the Dell EMC PowerStore Manager Dashboard?

  A. Health. Overview. Performance, and Capacity

  B. Health, Efficiency. Performance, and Summary

  C. Performance. Efficiency, and Capacity only

  D. Performance. Overview, and Capacity only

  Correct Answer: D

  These categories are divided in tabs: Overview, Capacity, and Performance. Reference:https://volumes.blog/2020/05/07/what-is-powerstore-part-6-powerstore-user-interface/

• Question 100:

  When implementing FAST VP, which Dell EMC best practices should be followed?

  A. Use the Start High then Auto Tier policy Maintain at least 15 percent pool capacity

  B. Use the Auto Tier policy-Schedule relocations continually during normal operations

  C. Use the Start High then Auto Tier policy Maintain at least 10 percent pool capacity

  D. Use the Start High then Auto Tier policy Maintain at least 5 percent pool capacity

  Correct Answer: C

  Reference:https://www.dell.com/community/VNX/FAST-VP/td-p/6953079