EMC E20-545 Online Practice Questions and Exam Preparation

EMC E20-545 Online Questions & Answers

• Question 21:

  A Storage Administrator is considering the design for three VNX systems using VNX Replicator for remote protection of the file data. If designing for cascaded replication, how many checkpoints will be necessary in total for all three VNX in a standard configuration?

  A. 3
  B. 4
  C. 6
  D. 8
  D. 8

• Question 22:

  You are trying to create a virtual network device in Unisphere. There are four physical network connection devices on the Data Mover, but only two appear on the Unisphere device creation page. Why?

  A. Two devices have already been used to create a virtual device.
  B. Virtual devices can only be created from virtual devices.
  C. The Data Mover is failed over.
  D. No network cables are plugged into the physical devices.
  A. Two devices have already been used to create a virtual device.

• Question 23:

  A Storage Administrator receives a call from a customer who says they can see the lost+found directory. How can the Storage Administrator hide this directory from the host users?

  A. Use chown on the directory.
  B. Use chmod on the directory.
  C. Export the file system at the sub-directory level.
  D. It cannot be hidden. Instruct the customers to ignore it.
  C. Export the file system at the sub-directory level.

• Question 24:

  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 25:

  What is one of the benefits of using VDM for load balancing on a VNX?

  A. Portability of CIFS servers between physical Data Movers
  B. Round robin access of CIFS servers between Data Movers
  C. Round robin access of CIFS shares between Data Movers
  D. Portability of CIFS shares between physical Data Movers
  A. Portability of CIFS servers between physical Data Movers

• Question 26:

  What is the default cache page size in KB on a VNX?

  A. 8
  B. 16
  C. 2
  D. 4
  A. 8

• Question 27:

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

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

• Question 28:

  When using VNX Snapshots, where is the snapshot data stored?

  A. In the same Storage Pool as the Primary LUN
  B. In the same Storage Pool as the Source LUN
  C. In a different Storage Pool than the Primary LUN
  D. In a different Storage Pool than the Source LUN
  A. In the same Storage Pool as the Primary LUN

• Question 29:

  Which replication technologies are supported by AppSync?

  A. RecoverPoint and SnapView Snapshots
  B. SnapView Snapshots and MirrorView
  C. VNX Snapshots and RecoverPoint
  D. TimeFinder/Snap and SRDF
  C. VNX Snapshots and RecoverPoint

• Question 30:

  When replicating block data using virtual RPAs, what array connectivity is required for hosts with replicated LUNs?

  A. FC only
  B. iSCSI only
  C. Either iSCSI or FC
  D. Both FC and iSCSI
  C. Either iSCSI or FC