EMC EMC Certifications E20-393 Questions & Answers

• Question 141:

  A storage administrator has added multiple resources to a single density-based Host I/O Limit policy for the following storage resources: LUN A: 100 GB LUN B: 100 GB LUN C: 600 GB Density-Based Limit 10 IOPS

  What is the total IOPS set by this policy?

  A. 80

  B. 800

  C. 810

  D. 8,000

  Correct Answer: D

• Question 142:

  A High Endurance SSD is limited to how many writes per day?

  A. 1

  B. 10

  C. 25

  D. 30

  Correct Answer: B

• Question 143:

  Which storage pool object is created for every RAID group in a traditional pool?

  A. Stripe Volume

  B. Private LUN

  C. Pool Slice

  D. MetaLUN

  Correct Answer: B

  Reference: https://www.dellemc.com/resources/en-us/asset/white-papers/products/storage/h16289-dell_emc_unity-dynamic_pools.pdf (10)

• Question 144:

  What component is a hot-pluggable CRU?

  A. DPE BBU

  B. DPE I/O module

  C. 80 drive DAE cooling module

  D. 25 drive DPE cooling module

  Correct Answer: C

  Reference: https://www.emc.com/collateral/TechnicalDocument/docu69319.pdf

• Question 145:

  Which policy status condition is available for Host I/O Limits?

  A. Resuming

  B. Disabled

  C. Global Paused

  D. Error

  Correct Answer: C

• Question 146:

  A company plans to add five drives to a 30 drive SAS Flash 4 All-Flash pool on a Dell EMC Unity XT 600 storage array. Which drive type(s) can be used for the expansion?

  A. SAS Flash 2 and SAS Flash 3 only

  B. SAS Flash 4 only

  C. SAS Flash 3 and SAS Flash 4 only

  D. Any SAS Flash drive type

  Correct Answer: B

  Reference: https://www.dellemc.com/en-us/documentation/unity-family/unity-p-pool-config/01-unity-pool-br-intro-to-pools.htm

• Question 147:

  What block size do Dell EMC Unity systems use to copy highly accessed blocks of data from spinning drives into FAST Cache?

  A. 16 KB

  B. 32 KB

  C. 64 KB

  D. 128 KB

  Correct Answer: C

  Reference: https://www.emc.com/collateral/white-papers/h15086-emc-unity-fast-technology-overview.pdf (2)

• Question 148:

  What are four constraints defined in a VMware Capability Profile?

  A. Service Level, Access, Protocol, and Space Efficiency

  B. Capacity, Drive Type, RAID Level, and Data Reduction

  C. Protocol Endpoint, Drive Type, RAID Level, and VM UUID

  D. Service Level, Drive Type, RAID Level, and Space Efficiency

  Correct Answer: D

  Reference: https://www.dellemc.com/resources/en-us/asset/white-papers/products/storage/h15091-dell-emc-unity-virtualization-integration.pdf (figure 6)

• Question 149:

  The preferred production interface is active. What does the Dell EMC Unity system do once a NAS Server starts outbound traffic to an external service?

  A. Uses the backup interface

  B. Initiates NAS Server failover

  C. Uses the active production interface

  D. Enables Packet Reflect

  Correct Answer: C

  Reference: https://www.dellemc.com/en-us/documentation/unity-family/unity-p-configure-smb-file-sharing/07-unity-smb-c-ch-configuring-ip-routes.htm

• Question 150:

  Which layer of the Dell EMC Unity storage architecture provides access to both the virtual storage pool and configured LUN resources?

  A. Enclosure Services Interface

  B. Common software

  C. SCSI Enclosure Services

  D. Communications Management interface

  Correct Answer: D

  Reference: https://www.dellemc.com/resources/en-us/asset/white-papers/products/storage/h15092-dell_emc_unityvsa.pdf