EMC E20-390 Online Practice Questions and Exam Preparation

EMC E20-390 Online Questions & Answers

• Question 181:

  Which MirrorView data state indicates that mirroring has been stopped and a write intent or fracture log is needed to continue mirroring?

  A. Consistent
  B. Rolling back
  C. Out of Sync
  D. Inactive
  A. Consistent

• Question 182:

  Which state allows the user to delete an FLR-enabled file?

  A. Expired
  B. Locked
  C. Append
  D. Not-locked
  A. Expired

• Question 183:

  What occurs after data compression of a RAID-group LUN?

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

• Question 184:

  MX series array, how does FAST manage data in a heterogeneous storage pool?

  A. It relocates more active data from tier 1 storage without users noticing the difference
  B. It relocates more active data to faster drives and less active data to slower drives
  C. It acts as an application accelerator and relocates LUNs based on performance
  D. It relocates LUNs from one tier to another to improve performance
  B. It relocates more active data to faster drives and less active data to slower drives

• Question 185:

  What is a unique identifier of a storage group?

  A. WWN
  B. Storage Group Name
  C. IP Address
  D. IQN
  A. WWN

• Question 186:

  When a LUN is bound on a VNX, which process is enabled by default and has a very low impact on performance?

  A. NAS Database Backup
  B. ASAP Rebuild Priority
  C. Sniff Verify
  D. Background Verify
  C. Sniff Verify

• Question 187:

  An administrator wants to set an Export Permission on an NMFS. What is a key consideration concerning the export permissions on the component file system.

  A. The component file system does not inherit WFS export permissions
  B. The component file system cannot be assigned individual export permissions
  C. Export Permission of the component file system override NMFS export permission.
  D. Inherited NMFS export permissions override the component file system export permissions
  D. Inherited NMFS export permissions override the component file system export permissions

• Question 188:

  What is the CLI command to enable Access Logix?

  A. naviseccli -h accesslogix -on
  B. naviseccli -h storagegroup -enable
  C. naviseccli -h accesslogix -enable
  D. naviseccli -h storagegroup on
  B. naviseccli -h storagegroup -enable

• Question 189:

  A Storage Administrator is provisioning storage from a VNX array to a Windows 2003 host. Which best practice should be considered to ensure maximum performance?

  A. Align the user data on LUNs on a 1024kB boundary with Diskpart
  B. Align the user data on LUNs on a 1024kB boundary using the VNX Alignment Offset
  C. Set the cache page size to 4kB for mixed environments
  D. Set the cache page size to 16kB for mixed environments
  A. Align the user data on LUNs on a 1024kB boundary with Diskpart

• Question 190:

  A file system has a VNX SnapSure schedule enabled for daily snapshots. By using the Microsoft Shadow Copy Client, a user can see previous versions of a certain file up to a specific date in the past, but nothing else after that.

  A. Missing snapshots are being used by an application
  B. All snapshots have been refreshed
  C. No changes have been made to the file system
  D. The SavVol has reached a full state
  D. The SavVol has reached a full state