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 151:

    According to EMC best practices, how many Primary Usermappers are recommended in a multiple VNX array environment?

    A. One per VNX frame
    B. One per Data Mover
    C. One per VNX environment
    D. One per CIFS server

  • Question 152:

    What occurs after data compression of a storage pool LUN?

    A. Freed space is returned to the storage pool.
    B. The LUN is defragmented.
    C. Source LUN is unbound from RAID-group.
    D. Host I/O is restarted.

  • Question 153:

    You are in the process of provisioning a new NAS volume with Unisphere where under the monitor or cancel the actions?

    A. Setup Wizard for File
    B. Background Tasks for File
    C. Event Logs for File
    D. Notifications for File

  • Question 154:

    Which feature integrates VNX storage provisioning management within vCenter?

    A. Virtual Storage Integrator (VSI)
    B. VMware Aware Storage API (VASA)
    C. vStorage API for Array Integration (VAAI)
    D. VNX Unisphere Service Manager (USM)

  • Question 155:

    Which third-party facilities are provided by VNX Event Enabler?

    A. Anti-virus, Quota management, and unstructured data auditing
    B. Anti-virus, Quota management, and DR automated failover
    C. Anti-virus, Encryption Key management, and DR automated failover
    D. Quota management, DR automated failover, and Encryption Key management

  • Question 156:

    What is the length of RSA keys used to encrypt and decrypt network traffic in a VNX environment?

    A. 2048 bytes
    B. 1024 bits
    C. 1024 bytes
    D. 2048 bits

  • Question 157:

    Which utility must be used to upgrade VNX OE array-based software?

    A. Unisphere Server Manager
    B. NST DAE Installation Utility
    C. Unisphere Installation Utility
    D. Unisphere Server Utility

  • Question 158:

    Which condition would prevent a VNX SnapSure baseline snapshot from being refreshed?

    A. When the baseline snapshot refresh is not supported.
    B. When an existing, writeable snapshot is present
    C. When the baseline snapshot has not been unmounted first.
    D. When the SavVol cannot be auto-extended.

  • Question 159:

    An administrator has one WMware ESX hosting using NFS export on a VNX system. Recently, in an effort to improve performance, they configured a two-port LACP trunk on the VNX system. There was no noticeable change in performance after the implementation of LACP. After viewing the traffic data on the switch, customer notices that all traffic is using the same physical link.

    What does the customer needs to know about ACCP?

    A. The default hashing will not improve the performance of any single host
    B. LCAP trucking still needs to be enable on port switches
    C. The customer is not utilizing enough bandwidth to need any of the capacity on the second physical link
    D. The second physical link in the LCAP trunk is configured as standby

  • Question 160:

    When utilizing Unisphere Service Manager to upgrade a Unified VNX platform, which upgrade type is supported?

    A. Enabler installs
    B. NAS code patches
    C. NAS CS Code
    D. Unisphere Language Pack installs

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