Exam Details

  • Exam Code
    :E20-390
  • Exam Name
    :VNX Solutions Specialist Exam for Implementation Engineers
  • Certification
    :EMC Specialist
  • Vendor
    :EMC
  • Total Questions
    :412 Q&As
  • Last Updated
    :Apr 25, 2025

EMC EMC Specialist E20-390 Questions & Answers

  • Question 191:

    What describes the process to read a Snapview Snapshot from a secondary host?

    A. Secondary host issues read. Unchanged data is read from the source LUN. Old data is read from the reserve LUN pool.

    B. Secondary host issues read. Data is read from the source LUN.

    C. Secondary host issues read. Old data is copied to the reserve LUN pool. New data is read from the source LUN.

    D. Secondary host issues read. Data is read from the reserve LUN pool.

  • Question 192:

    A customer wants to decrease the size of VNX pool LUNs presented to a Failover Cluster using the LUN shrink feature.

    What do you advise?

    A. The LUN shrink feature will allow them to reduce LUN sizes for this cluster.

    B. LUN shrink is only supported with stand-alone hosts.

    C. The LUN shrink feature is not supported with Failover Clusters.

    D. The LUN must not be defragmented prior to using the LUN shrink feature.

  • Question 193:

    What EMC software product is used when replacing an I/O module on an EMC VNX Block Only storage system?

    A. Unisphere Service Manager (USM)

    B. Navisphere Service Taskbar (NST)

    C. CLARiiON Array Properties (CAP)

    D. Unisphere Server Utility

  • Question 194:

    What describes the VNX Snapview Snapshot source LUN write process?

    A. Host issues write. Old data is copied to the reserve LUN pool. New data is written to the source LUN.

    B. Host issues write. New data is written to a new location.

    C. Host issues write. Old data is copied to the source LUN. New data is written to the reserve LUN pool.

    D. Host issues write. Data is written to the reserve LUN pool.

  • Question 195:

    Which VNX feature improves the storage capacity utilization by only allocating storage as needed for both Block and File storage?

    A. VNX Thin Provisioning

    B. VNX Deduplication and Compression

    C. VNX Total Efficiency Pack

    D. Navisphere Analyzer

  • Question 196:

    When deleting a Snapsure Snapshot what action is required for a successful deletion?

    A. Requires the PFS to be paused

    B. Requires the PFS to be refreshed

    C. Requires the PFS to be frozen

    D. Requires the PFS to be first paused and then frozen

  • Question 197:

    A storage administrator is preparing to provision storage for a data warehouse application. What can the administrator do to maximize application performance?

    A. Use SAS drives to create a RAID 5 RAID Group with High Bandwidth Reads enabled.

    B. Use EFD drives to create a RAID 5 RAID Group with High Bandwidth Reads enabled.

    C. Choose 1024 block stripe element size when binding LUNs.

    D. Choose 128 block stripe element size when binding LUNs.

  • Question 198:

    A company has many VNX file systems that they currently export using NFS. Their goal is to simplify the management of these file systems for the Linux clients. How can the storage team help the company achieve this goal?

    A. Use the automounter feature with the autofs service to automatically mount file systems.

    B. Create administrative exports to the file system roots and community exports for their subdirectories.

    C. Create AVM file systems and enable auto extend on the file systems.

    D. Mount each file system manually to maintain control of individual export permissions.

  • Question 199:

    Which tool is used to create a replacement guide for a VNX system?

    A. Unisphere

    B. VNX Procedure Generator

    C. Unisphere Service Manager

    D. VNX Initialization tool

  • Question 200:

    The Unified Storage Management Plugin for VMware assists in automating the provisioning of storage on a VNX Storage System. What types of storage can be provisioned through the Provision Storage wizard?

    A. NFS, VMFS and RDM

    B. NFS, VMFS, RDM and iSCSI

    C. VMFS and iSCSI

    D. NFS and CIFS

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