EMC E20-885 Online Practice Questions and Exam Preparation

EMC E20-885 Online Questions & Answers

• Question 111:

  A customer runs Replication Manager on several VNX systems. They are concerned the replication process for the target LUNs is taking longer than anticipated. Which action should be taken?

  A. Verify that the clone synchronization rate for each VNX array in your replication environment is set to High.
  B. On the Advanced Replication Settings panel, set the version of the "Replica to be Replicated" field and select Most Recent.
  C. On the Advanced Replication settings panel, set the version of the "Replica to be Replicated" field and select Oldest.
  D. Select Details to see the log details generated during the job simulation.
  A. Verify that the clone synchronization rate for each VNX array in your replication environment is set to High.

• Question 112:

  A customer is asking you for help. They are creating a script that will collect data from the array using CLI from the Control Station. They want to gather information on power consumption, temperatures, and input power on the DAE and SPS. Which command will gather this information?

  A. navicli -h spa environment -list -all
  B. navicli -h spa getcontrol -all
  C. navicli -h spa environment -list -array -power
  D. This information cannot be gathered via CLI
  A. navicli -h spa environment -list -all

• Question 113:

  You receive a call from a customer asking why they are not getting optimal performance on their new Block pool LUNs that they created last week. How could the customer obtain more predictable performance?

  A. Move to classic LUNs
  B. Make sure to use thin LUNs
  C. Move LUNs to a new pool and select the lowest tier
  D. Move LUNs to a new pool and select the highest tier
  A. Move to classic LUNs

• Question 114:

  A customer uses VNX Snapshot for quality assurance testing throughout many phases of development. The customer notices that when project development ends and they delete all the snapshots, SP utilization seems to increase for a long time.

  What could they have done to prevent the performance degradation?

  A. Keep at least one snapshot of the thick LUN.
  B. Unmount the Primary LUN before deleting the snapshots.
  C. Defragment the LUN after removing all the snapshots.
  D. Rename the snapshots prior to deleting them.
  A. Keep at least one snapshot of the thick LUN.

• Question 115:

  An EMC VNX is enabled for FAST Cache using four 200 GB Flash drives. Ten additional Flash drives are available for SQL databases. Which SQL database object would be best suited to utilize these drives?

  A. Database components such as tempDB
  B. Heavily used log volumes
  C. Databases on LUNs with read caching enabled
  D. Databases with large, sequential I/O
  A. Database components such as tempDB

• Question 116:

  An Oracle DBA creates a new database and requests a LUN to store the online redo logs. What is the recommended configuration for this LUN?

  A. RAID 1/0 using SAS drives
  B. RAID 5 using Flash drives
  C. RAID 1/0 using Flash drives
  D. RAID 5 using SAS drives
  A. RAID 1/0 using SAS drives

• Question 117:

  A customer has an EMC VNX configured as an FTP server. They want to determine how many FTP connections are currently open. What server_stat statistic type could be used to determine this information?

  A. fact
  B. set
  C. counter
  D. element
  A. fact

• Question 118:

  What is the maximum number of backend I/Os generated for every write to the PFS involved in a SnapSure checkpoint?

  A. 3
  B. 4
  C. 5
  D. 6
  C. 5

• Question 119:

  A customer has two EMC VNX configured to replicate between sites. Each VNX has dual Control Stations. The primary Control Station at the source site fails at 6 p.m. and reboots. At 8

  A. m., the customer completes DR testing and observes that CIFS replication does not failover to the target site VNX. Why does CIFS replication not failover to the target VNX during the DR test?
  B. Control stations should be set up using IP aliasing.
  C. Control stations should be set up using IP Jumbo Frames.
  D. Control stations have different software revisions.
  E. Control stations have different duplex settings.
  A. m., the customer completes DR testing and observes that CIFS replication does not failover to the target site VNX. Why does CIFS replication not failover to the target VNX during the DR test?

• Question 120:

  A customer is implementing ESXi 5.0 into their heterogeneous environment. Due to separation of duties, the networking and virtualization team must work together to minimize the risk of downtime due to misconfiguration. What ESXi feature can be implemented into the existing switch infrastructure to ease management and avoid configuration issues?

  A. Cisco Discovery Protocol
  B. NetFlow
  C. Juniper Neighbor Discovery Protocol
  D. Link Layer Discovery Protocol
  D. Link Layer Discovery Protocol