EMC EMC Certifications E20-393 Questions & Answers

• Question 61:

  What storage resources can be provisioned to a host that is connected to a Dell EMC Unity XT storage system via Fibre Channel?

  A. LUNs, CIFS shares, and Consistency Group LUNs

  B. VMFS datastores, NFS datastores, and VVol(file) datastores

  C. LUNs, Consistency Group LUNs, and NFS datastores

  D. Consistency Group LUNs, VMFS datastores, and VVol (block) datastores

  Correct Answer: B

• Question 62:

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

  A. Selects interfaces based on advanced static routes

  B. Uses Packet Reflect for outbound communication

  C. Uses the active production interface

  D. Selects the shortest path available

  Correct Answer: C

  Reference: https://www.dell.com/community/Unity/Unity-NAS-Server-Network-Interfaces/m-p/7116802

• Question 63:

  What is the default setting of Advanced Deduplication when Data Reduction is selected within Unisphere?

  A. Disabled for thick LUNs and enabled for thin LUNs

  B. Disabled for thin LUNs in an All-Flash pool

  C. Enabled for thin LUNs in an All-Flash pool

  D. Enabled for both thick and thin LUNs

  Correct Answer: C

  Reference: https://www.dellemc.com/resources/en-us/asset/white-papers/products/storage/h16870-dell_emc_unity-data_reduction.pdf

• Question 64:

  According to best practices, what is the maximum latency of the link between local and remote systems when using synchronous replication?

  A. 5 ms

  B. 10 ms

  C. 20 ms

  D. 40 ms

  Correct Answer: B

  Reference: https://www.dellemc.com/resources/en-us/asset/white-papers/products/storage/h15088-dell_emc_unity-replication_technologies.pdf (7)

• Question 65:

  What is the minimum requirement for a server to boot from a Dell EMC Unity XT storage system via iSCSI?

  A. Hardware iSCSI HBA

  B. TOE NIC

  C. Software iSCSI

  D. iSCSI Initiator

  Correct Answer: D

  Reference: http://i.dell.com/sites/content/business/solutions/whitepapers/en/Documents/Instructions_to_Perform_Boot_from_iSCSI_for_Dell_Storage_Arrays.pdf

• Question 66:

  What is maximum amount of time allowed when saving a configuration from the Collect Service Information menu from Unsphere in order to avoid a time-out?

  A. 45 minutes

  B. 60 minutes

  C. 90 minutes

  D. 120 minutes

  Correct Answer: B

  Reference: https://www.dellemc.com/fr-ma/collaterals/unauth/white-papers/products/storage/h15092-emc-unity-unity-vsa.pdf

• Question 67:

  In Unisphere, where can a storage administrator create an asynchronous LUN replication session?

  A. LUN Properties window only

  B. Replication page only

  C. Replication page or the LUN Properties window

  D. LUN Creation wizard or the LUN Properties window

  Correct Answer: A

• Question 68:

  What is a connectivity rule for a host that connects to multiple Dell EMC Unity systems?

  A. Host must connect to all the arrays using a single protocol

  B. Host can connect to different arrays with different protocols

  C. iSCSI protocol is required to connect a host to multiple arrays

  D. CNA connections to host must be used with alternating protocols

  Correct Answer: B

• Question 69:

  A Storage administrator needs to expand their FAST Cache by 400 GB. The current configuration consists of two 400 GB SAS Flash 2 drives. What can be used to expand the FAST Cache?

  A. Two 200 GB SAS Flash 2 drives

  B. Two 400 GB SAS Flash 2 drives

  C. Four 200 GB SAS Flash 3 drives

  D. One 400 GB SAS Flash 2 drive

  Correct Answer: A

  Reference: https://www.dellemc.com/en-us/collaterals/unauth/white-papers/products/storage/h15086-emc-unity-fast-technology-overview.pdf

• Question 70:

  Which UEM/CLI command is used to verify the FC ports designated as synchronous on the SPs?

  A. /remote/sys show –lc

  B. /remote/sys show –detail

  C. /remote/sys show –summary

  D. /remote/sys show –sp

  Correct Answer: B

  Reference: https://www.scribd.com/document/401022305/Unity-Replication