EMC EMC Certifications E20-307 Questions & Answers

• Question 51:

  Which information is required to discover a VMware ESXi host in the Virtual Servers page of Unisphere for VMAX?

  A. IP address of the new hostCredentials of the ESXi hostServer Type = VMware

  B. IP address of the ESXi hostCredentials of the ESXi hostServer Type = ESXi

  C. IP address of the VMCredentials of the VMServer Type = ESXi D. IP address of the vCenterCredentials of the vCenterServer Type = VMware

  Correct Answer: B

• Question 52:

  A TimeFinder SnapVX snapshot of source volumes has been linked to target volumes. The target volumes are being used for application testing. What should be done prior to a relink operation?

  A. Continue accessing the source volumes, stop accessing the target volumes.

  B. Continue accessing the source and target volumes.

  C. Stop accessing the source and target volumes.

  D. Stop accessing the source volumes, continue accessing the target volumes

  Correct Answer: A

• Question 53:

  

  Based on the exhibit, a Non-Disruptive Migration (NDM) is being used to migrate a VMware datastore to a new VMAX3. Which NDM step(s) has already been completed?

  A. NDM-Environment Setup, NDM-Create, and NDM-Cutover only

  B. NDM-Environment Setup, NDM-Create, NDM-Cutover, and NDM Commit

  C. NDM-Environment Setup only

  D. NDM-Environment Setup and NDM-Create only

  Correct Answer: C

• Question 54:

  

  Both the R1 and R2 devices are being accessed after an SRDF Split operation. Where will the changes made to these devices be reflected in the SRDF Query output shown in the exhibit?

  A. 1 and 3

  B. 1 and 4

  C. 2 and 3

  D. 2 and 4

  Correct Answer: C

• Question 55:

  What does the Reserved Capacity parameter for a VMAX3 Storage Resource Pool (SRP) reserve?

  A. Absolute capacity, in GB, for thin device host allocations.

  B. Absolute capacity, in GB, for TimeFinder SnapVX snapshots.

  C. Percentage of SRP for thin device host allocations.

  D. Percentage of SRP for TimeFinder SnapVX snapshots

  Correct Answer: C

  Reference https://uk.emc.com/collateral/technical-documentation/docu55786-vmax3- service-level-pro-fully-automated-storage.pdf (p.27)

• Question 56:

  A storage administrator wants to use the Migration Wizard in Unisphere for VMAX to create a Non-Disruptive Migration session. Where is the Migrate option located?

  A. SID> Storage > Migrations

  B. SID> Data Protection > SRDF

  C. SID> Data Protection > Replication Groups and Pools

  D. SID > Storage > Storage Groups

  Correct Answer: D

  Reference

  https://learningcontent.emc.com/gatekeepercontent/cninv000000000135674/presentation_ content/external_files/Non-Disruptive%20Migration%20VMAX%20All%20Flash_VMAX3.pdf (p.26)

• Question 57:

  Which Unisphere for VMAX view shows the Storage Resource Pool Demand Report and has links to other Demand Reports?

  A. Performance > Monitor > Dashboards

  B. Storage > Storage Groups Dashboard

  C. Storage > Service Levels

  D. Storage > Storage Resource Pools

  Correct Answer: B

  Reference

  https://www.emcworldonline.com/2016/connect/fileDownload/session/755AFA214F5D3180 05F6DC5F453B15FF/ctdTT.32_final.pdf (Page 26)

• Question 58:

  A TimeFinder SnapVX snapshot of a Storage Group was created with a time-to-live setting of seven days. Fourteen days after snapshot creation, a query shows that the snapshot still exists. What is a possible reason?

  A. Reserved Capacity limit was exceeded

  B. Snapshot was not manually terminated

  C. Snapshot has one or more linked targets

  D. Snapshot was created in NoCopy mode

  Correct Answer: C

• Question 59:

  What is the function of FAST hinting on a VMAX3 array?

  A. Sends hints to the array for low access data to be compressed

  B. Provides suggestions for manual movement of data to other tiers

  C. Provides suggestions for data migration activities to be performed on stale data

  D. Sends hints to the array for data that is likely to be accessed in a given period of time

  Correct Answer: D

  Reference http://thecoreblog.emc.com/emc-world/beating-the-odds-with-fast- hinting/?cmp=soc-cor-glbl-us-sprinklr-TWITTER--EMCStorage-183819018

• Question 60:

  What is a recommendation when using Open Replicator to migrate data from a supported third-party array to a VMAX3 array?

  A. Host I/O to the control devices on the VMAX3 array is allowed after the migration completes

  B. Host I/O to the remote devices on the third-party array can continue during the migration

  C. Control devices on the VMAX3 array must be set to Not Ready for the duration of the migration

  D. Host I/O to the remote devices on the third-party array should be stopped for the duration of the migration

  Correct Answer: C