EMC E20-390 Online Practice Questions and Exam Preparation

EMC E20-390 Online Questions & Answers

• Question 11:

  Which format should be used to enter the managing SP into a Host Agent configuration?

  A. @192.168.1.100
  B. @FD:B4:D9:59:D8:19:E3:11:A9:FC:E6:38:1C:E0:97:8B
  C. ~192.168.1.100
  D. ~FD:B4:D9:59:D8:19:E3:11:A9:FC:E6:38:1C:E0:97:8B
  A. @192.168.1.100

• Question 12:

  In the Unisphere "Statistics for File" option, what is the default polling interval for file system data?

  A. Every 5 minutes
  B. Every 10 minutes
  C. Every 15 minutes
  D. Every 60 minutes
  B. Every 10 minutes

• Question 13:

  When performing switch maintenance, a customer accidentally disconnects all network connections to an active VNX Data Mover. How does VNX handle this situation?

  A. The primary Data Mover remains active.
  B. The VNX always notifies EMC Customer Service of the problem.
  C. The active Data Mover immediately fails over.
  D. The active Data Mover fails over after 30 seconds of lost connectivity.
  A. The primary Data Mover remains active.

• Question 14:

  While using SnapView snapshots, when is the copy on first write mechanism enabled on a Source LUN?

  A. When the snapshot is activated
  B. When the session is started
  C. When the snapshot is synchronizing
  D. When the snapshot is created
  B. When the session is started

• Question 15:

  A company is assigning replicated LUNs from a new VNX to a Microsoft Windows 2008 host. Which action should be performed in order to avoid a misalignment?

  A. No action is required
  B. Upgrade to Microsoft Windows 2012 so alignment is done automatically
  C. Use Microsoft diskpart to align the new partition to a 2 MiB boundary
  D. Use a 16 kiB page size for the VNX cache
  A. No action is required

• Question 16:

  Which failover software is strongly recommended for a host attached to a VNX array?

  A. PowerPath
  B. MPIO
  C. DMP
  D. ALUA
  D. ALUA

• Question 17:

  Which interface on the VNX Control Station is used for the customer network?

  A. eth0
  B. eth1
  C. eth2
  D. eth3
  D. eth3

• Question 18:

  What displays information on VNX Reserved LUN Pool utilization?

  A. SP Event Logs
  B. Statistics for File
  C. Alerts
  D. Statistics for Block
  A. SP Event Logs

• Question 19:

  For LACP Load Balancing Considerations, what is the default setting?

  A. Source/Destination IP Address.
  B. Source/Destination TCP/UDP Ports.
  C. First in/First out.
  D. Source/Ddestination MAC Address
  A. Source/Destination IP Address.

• Question 20:

  A company has the following requirements:

  Optimize Reserved LUN Pool size to avoid wasted space

  

  LUNs to be protected are 40 GB, 50 GB, 70 GB, 30 GB, and 10 GB

  

  Assign two resource LUNs for each source LUN

  

  Use SAS drives for the Reserved LUN Pool

  

  What is the total Reserved LUN Pool size when all LUNs have a 20% change rate?

  A. 40 GB
  B. 80 GB
  C. 120 GB
  D. 200 GB
  B. 80 GB