EMC E20-547 Online Practice Questions and Exam Preparation

EMC E20-547 Online Questions & Answers

• Question 11:

  Which describes the VNX Snapshot source LUN write process?

  A. Host issues write. New data is written to a new location.
  B. Host issues write. Old data is copied to the reserve LUN pool. New data is written to the source LUN.
  C. Host issues write. Data is written to the reserve LUN pool.
  D. Host issues write. Old data is copied to the source LUN. New data is written to the reserve LUN pool.
  A. Host issues write. New data is written to a new location.

• Question 12:

  A storage administrator has provisioned storage to a server, but only some of the LUNs are visible to the host. What would explain why some LUNs appear to be missing?

  A. The 'missing' LUNs were not added to the storage group.
  B. The host initiators are not logged into the array.
  C. The disk alignment has not been set to the 1 MB boundary.
  D. The host agent is not connected to the storage system.
  A. The 'missing' LUNs were not added to the storage group.

• Question 13:

  You are exporting a file system from a VNX Unified system at the subdirectory level. What is a key consideration?

  A. It is a best practice to configure group and user permissions for the subdirectory.
  B. The file system must be exported again if the user and group permissions are modified.
  C. When an export is deleted, subdirectories are automatically destroyed.
  D. The lost+found and etc directories become visible to the client.
  A. It is a best practice to configure group and user permissions for the subdirectory.

• Question 14:

  A Storage Administrator created several new LUNs for an existing SAN attached Linux host. Some of the new LUNs are owned by SPA and some are owned by SPB. Linux can only see some of the new LUNs. Which troubleshooting step should be completed next?

  A. Check the EMC Host Connectivity Guide for Linux to verify the maximum number of LUNs visible to the host
  B. Check the zoning to verify that all HBAs can see all of the ports on each Storage Processor
  C. Check the agent.config file on the host to verify the maximum number of LUNs the host can manage
  D. Check the LUN ownership of each LUN to make sure none are trespassed
  A. Check the EMC Host Connectivity Guide for Linux to verify the maximum number of LUNs visible to the host

• Question 15:

  Which action must be completed before joining a CIFS server to an AD domain?

  A. Configure VNX system time settings.
  B. Create a Unisphere user account for the domain administrator
  C. Configure WINS settings
  D. Create a CIFS server on a VDM
  A. Configure VNX system time settings.

• Question 16:

  What is the default size limitation for a SavVol?

  A. 20% of the total disk space available
  B. 10% of the production file system disk usage
  C. 10% of the total disk space available
  D. 20% of the production file system disk usage
  A. 20% of the total disk space available

• Question 17:

  What is the function of Storage Groups on a VNX array?

  A. Logically controls host access to LUNs on the array
  B. Logically groups LUNs by function on the array
  C. Logically groups drives in the array by tier
  D. Logically controls LUN location on drive tiers
  A. Logically controls host access to LUNs on the array

• Question 18:

  What are the available Usermapper roles?

  A. Primary, Secondary, and Client
  B. Primary, Local, and Remote
  C. Local, Remote, and Client
  D. Active, Passive, and Standby
  A. Primary, Secondary, and Client

• Question 19:

  You are migrating a LUN within a VNX series array to an equal size LUN but with a different RAID type. Which step is required to start using the new LUN?

  A. Nothing. The migration process is non-disruptive.
  B. Ensure the LUN is in the proper storage group at the time of cut-over
  C. Ensure the size of the destination LUN is equal to or greater than the source LUN
  D. Quiesce the host prior to final cut-over
  A. Nothing. The migration process is non-disruptive.

• Question 20:

  How many local user accounts can be created per VNX CIFS Server?

  A. 128
  B. 256
  C. 1024
  D. 2048
  A. 128