E20-390 Exam Details

  • Exam Code
    :E20-390
  • Exam Name
    :VNX Solutions Specialist Exam for Implementation Engineers
  • Certification
    :EMC Certifications
  • Vendor
    :EMC
  • Total Questions
    :412 Q&As
  • Last Updated
    :May 25, 2026

EMC E20-390 Online Questions & Answers

  • Question 191:

    What drive types are supported on VNX series arrays?

    A. SAS, NL-SAS, EFD
    B. SAS, SATA, EFD
    C. SAS, NL-SAS, FC
    D. FC, SATA, EFD

  • Question 192:

    Which Windows Server 2008 utility is used for LUN space reclamation after a LUN shrink operation?

    A. diskpar.exe
    B. chkdsk.exe
    C. diskraid.exe
    D. diskpart.exe

  • Question 193:

    Which criterion must be met before executing the storagepool destroy command with Navisphere Secure CLI?

    A. Complete removal of all LUNs from the pool
    B. Complete removal of unused LUNs from the pool
    C. Complete removal of large LUNs from the pool
    D. Complete removal of empty LUNs from the pool

  • Question 194:

    Which command can be used to retrieve available network devices when creating interfaces on a VNX Data Mover?

    A. server_sysconfig
    B. server_ifconfig
    C. server_config
    D. server_ipconfig

  • Question 195:

    What is the minimum number of administrative accounts for a Unisphere storage domain?

    A. 1
    B. 2
    C. 3
    D. 4

  • Question 196:

    What happens when a new CIFS share is created using Unisphere and all available CIFS server check boxes remain unchecked?

    A. A global share is created and served by all CIFS servers residing on the Data Mover.
    B. None of the CIFS servers residing on the Data Mover serve the newly created share.
    C. The VNX system prompts for selection of at least one CIFS server.
    D. A global share is created and served by the primary VDM.

  • Question 197:

    What is the minimum recommended size of the RecoverPoint repository volume?

    A. 1 GB
    B. 3 GB
    C. 5 GB
    D. 7 GB

  • Question 198:

    A customer has asked you to test the Data Mover failover functionality. Which method is recommended to verify Data Mover failover?

    A. Run the server_standby -activate command
    B. Remove the primary Data Mover blade from its slot
    C. Disconnect all Ethernet cables from the primary Data Mover
    D. Run the server_cpu -shutdown command

  • Question 199:

    What is the fan-in ratio for MirrorView/A?

    A. 1: 1
    B. 2: 1
    C. 4: 1
    D. 8: 1

  • Question 200:

    Which utility on a Windows server can be used to view the HBA WWN details?

    A. Unisphere Host Agent
    B. Unisphere Server Utility
    C. HBAnywhere
    D. Device Manager

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