EMC E20-390 Online Practice Questions and Exam Preparation

EMC E20-390 Online Questions & Answers

• Question 1:

  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 2:

  What will happen if a user removes an interface from a CIFS server?

  A. All the shares and users connected to the server via the interface will be disconnected.
  B. The interface will be removed ONLY if the CFS server has more than one interface. An error will be displayed if the CFS server has only one interface.
  C. Users cannot remove interface that is being used by a CIFS server. Upshpere will display an error message.
  D. the OPS server using the deleted interface will use the interface being used by the default CFS server.
  A. All the shares and users connected to the server via the interface will be disconnected.

• Question 3:

  A system administrator has previously used NFS exports on an EMC Celerra. However, the administrator expressed concerns that the NFS shares are exposed to hosts on other networks. The administrator has exchanged the company's legacy Celerra for a new VNX for File and is using VDMs for NFS.

  What is the accessibility of the NFS exports in this new configuration?

  A. Accessible only for hosts on the same network as the NFS server
  B. Accessible on all interfaces on the blade
  C. Accessible on all VDMs
  D. Accessible as long as they are on the same subnet as the VDMs
  A. Accessible only for hosts on the same network as the NFS server

• Question 4:

  A user requires the following rights in Replication Manager: Run predefined jobs

  

  View application properties

  

  Define application sets, jobs, and schedules

  

  Restore replicas

  

  Configure storage pools

  

  Which role should the RM administrator assign to the user?

  A. Power Database Administrator
  B. Power User
  C. Operator
  D. Database Administrator
  D. Database Administrator

• Question 5:

  While using SnapView snapshots, a host attempts to write to a snapshot with an active session. What will happen if the chunk is not already in the RLP?

  A. Write requests are not allowed to a snapshot with an active session
  B. Data is written to the snapshot and will be persistent beyond the end of the session
  C. Write requests are allowed. The new data is written to the RLP
  D. A new map entry is created. The original data and the new data are written to the RLP
  D. A new map entry is created. The original data and the new data are written to the RLP

• Question 6:

  An administrator creates a 500 GB file system and implements VNX SnapSure on it. What is the initial size of the SavVol that was created?

  A. 5 GB
  B. 20 GB
  C. 32 GB
  D. 50 GB
  B. 20 GB

• Question 7:

  Which statement correctly describes a benefit of using a Virtual Data Mover (VDM)?

  A. It supports the separation of CIFS servers and their shares
  B. It enables the replication of NFS exports
  C. It can be configured as a standby for failover.
  D. It provides security for users in multi-protocol environments
  A. It supports the separation of CIFS servers and their shares

• Question 8:

  You are planning to add a new DAE to a VNX storage system. Doing so will exceed the supported total drive count by four drives. What impact will this have on the operation of the VNX system?

  A. The DAE will be recognized but four drive slots will not function.
  B. All slots on the DAE will be available for use.
  C. Connecting the new DAE will take the bus offline.
  D. The DAE can be physically connected, but will not be available.
  D. The DAE can be physically connected, but will not be available.

• Question 9:

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

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

• Question 10:

  Which statement is true for a concatenated metaLUN?

  A. Time to perform the expansion varies with the capacity being added
  B. Write cache is disabled for the concatenated LUN
  C. Expanded capacity is available instantly
  D. Performance on the base LUN is affected during concatenation
  C. Expanded capacity is available instantly