EMC E20-547 Online Practice Questions and Exam Preparation

EMC E20-547 Online Questions & Answers

• Question 111:

  How does host file system defragmentation of pool LUNs affect VNX performance?

  A. Causes heavy loading of cache and back-end ports and may result in a decrease in system performance.
  B. Does not cause additional VNX system load and will not affect system performance.
  C. Causes heavy loading of cache and front-end ports and may result in a decrease in system performance.
  D. Reduces loading of cache and back-end ports and may result in an increase in system performance.
  A. Causes heavy loading of cache and back-end ports and may result in a decrease in system performance.

• Question 112:

  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)
  A. Virtual Storage Integrator (VSI)

• Question 113:

  What is the maximum number of Fibre Channel initiator ports, per Linux host, supported by VNX for Block?

  A. 4
  B. 8
  C. 16
  D. 32
  C. 16

• Question 114:

  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
  A. Unisphere Service Manager (USM)

• Question 115:

  Which VNX feature is used to reclaim unused storage space?

  A. LUN shrink
  B. LUN migration
  C. Thin provisioning
  D. RAID group defragmenting
  A. LUN shrink

• Question 116:

  How do storage pool thick LUNs affect capacity?

  A. A storage pool thick LUN uses slightly more capacity than the amount of user data written
  B. A storage pool thick LUN uses less capacity than the amount the server operating system sees
  C. Capacity of a storage pool thick LUN uses the same capacity as the server operating system sees
  D. Capacity of a storage pool thick LUN uses less user capacity then a traditional LUN
  A. A storage pool thick LUN uses slightly more capacity than the amount of user data written

• Question 117:

  Which tool is used for scripting SnapView commands in a VNX system?

  A. Admsnap utility
  B. Unisphere Service Manager
  C. Snapsure software
  D. Secure CLI
  A. Admsnap utility

• Question 118:

  A storage administrator configured a SnapSure snapshot schedule for a heavily utilized production file system. According to the schedule, three snapshots are to be created per hour, with the first snapshot created at one minute past the hour.

  After an hour, the administrator noticed that the first snapshot was not created on time.

  What is the cause of this issue?

  A. The VNX for File database backup has started in the background.
  B. The PFS SavVol has run out of space.
  C. The VNX for File has experienced a network outage.
  D. The HWM was not configured manually for Auto Extension.
  A. The VNX for File database backup has started in the background.

• Question 119:

  Which tool is used to complete the initialization of only a VNX System for Block?

  A. Unisphere Storage System Initialization Wizard
  B. VNX Installation Assistant
  C. Unisphere Service Manager
  D. Unisphere Server Utility
  A. Unisphere Storage System Initialization Wizard

• Question 120:

  Which statement is true regarding LUN migration within a VNX array?

  A. There may be a performance impact.
  B. The source LUN remains unchanged after the copy completes.
  C. You cannot cancel a LUN migration once it has started.
  D. The destination LUN retains its LUN ID and WWN when the copy completes.
  A. There may be a performance impact.