EMC E20-885 Online Practice Questions and Exam Preparation

EMC E20-885 Online Questions & Answers

• Question 161:

  You have completed the installation of a RecoverPoint/SE cluster using Deployment Manager. You log into Unisphere for the VNX and look at the Storage Group for the RPAs. Which RecoverPoint volume type(s) will be in the Storage Group?

  A. Cluster repository only
  B. Cluster repository and all selected replication volumes
  C. Cluster journal only
  D. All repository, journal, and replication volumes
  A. Cluster repository only

• Question 162:

  When setting up an AVM created file system, the storage administrator set the "is_greedy" option. When they look at the underlying structure of the newly created file system, they notice the file system is sliced. What is the reason for this behavior?

  A. The "is_greedy" option is ignored on mapped pools.
  B. User defined pools do not use the "is_greedy" option.
  C. Auto extend option is supported with mapped pools, but only with non-greedy AVM-created file systems.
  D. A slice is created by default, then a metavolume is placed on top of the slice for the file system ignoring the "is_greedy" option.
  A. The "is_greedy" option is ignored on mapped pools.

• Question 163:

  A customer creates an incremental SAN Copy (ISC) session for a 200 GB LUN on an EMC VNX. The session fails to start, and the customer notes the RLP (reserved LUN pool) contains 300 MB of storage. What action must be taken to get the session started?

  A. Increase the RLP storage to 30 GB.
  B. Deactivate the ISC snapshot.
  C. Enable the SnapView license.
  D. Restart the COFW service.
  A. Increase the RLP storage to 30 GB.

• Question 164:

  You implement a CIFS DR solution for a customer using the One-to-Many replication topology. They ask you to explain replication behavior under the following conditions: Production site failover or switchover to a DR site

  

  Replication start and reverse is performed

  

  What should you advise the customer?

  A. The original production site goes into cascade mode to synchronize data for the remaining DR sites.
  B. The original production site remains a One-to-Many replication source for the other DR sites.
  C. All remaining replication sessions to the other DR sites are suspended.
  D. The DR site becomes a replication source for the other DR sites; the original production site is marked as invalid.
  A. The original production site goes into cascade mode to synchronize data for the remaining DR sites.

• Question 165:

  A customer RP/SE environment consists of a single cluster running two vRPAs. They currently have 74 Consistency Groups configured and replicating. The customer wants to know what effect an RPA failure would have. What should you tell them?

  A. All Consistency Groups would run on the remaining vRPA.
  B. The first 64 groups will run on the remaining vRPA; the others will be disabled.
  C. The first 64 groups will run on the remaining vRPA; the others will be paused.
  D. The 64 groups with the highest priority will run on the remaining vRPA; the others will be disabled.
  A. All Consistency Groups would run on the remaining vRPA.

• Question 166:

  A customer is testing a DR solution. They want to change the destination file system from read only to read/write and stop the transmission of replicated data. How can this be accomplished?

  A. Replication failover
  B. Replication failback
  C. Replication reversal
  D. Replication switchover
  A. Replication failover

• Question 167:

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

  A. Move to thick LUNs
  B. Compress the thin LUNs
  C. Move to a new pool and select that the LUNs stay on lowest tier
  D. Move to a new pool and select that the LUNs stay on highest tier
  A. Move to thick LUNs

• Question 168:

  A customer plans to place their SQL server transaction logs on an EMC VNX. The customer provides the following information about their SQL environment: Database block size is 8 KB

  

  Transaction log growth is 10 GB

  

  Performance sample period is 1 hour

  

  15K SAS drives rated at 180 I/O per second each

  

  What is the minimum number of physical disks required to support the information provided by the customer?

  A. Four disks configured as RAID 1/0 (2+2)
  B. Five disks configured as RAID 5 (4+1)
  C. Eight disks configured as RAID 1/0 (4+4)
  D. Four disks configured as RAID 5 (3+1)
  A. Four disks configured as RAID 1/0 (2+2)

• Question 169:

  A customer plans to add a new LUN to a Windows 2003 server. They are aware that LUN disk crossing will affect performance. Which procedure can significantly reduce LUN disk crossings in an SQL environment?

  A. Use diskpart to set the disk partition offset to 2048 blocks
  B. Use only 4+1 disk sets when configuring RAID 5
  C. Use an NTFS cluster size of 64 KB
  D. Use striped metaLUNs consisting of exactly four component LUNs
  A. Use diskpart to set the disk partition offset to 2048 blocks

• Question 170:

  A Pool used for FAST VP has the following configuration:

  Flash drives: 1,000 GB, with 1,000 GB free SAS drives: 5,000 GB, with 2,500 GB free NL-SAS drives: 20,000 GB, with 11,500 GB free

  The tiering policy is set to Auto. An additional 600 GB of new data is written to the Pool. What is the data distribution after the data is written?

  A. Flash drives: 960 GB free SAS drives: 2,400 GB free NL-SAS drives: 11,040 GB free
  B. Flash drives: 400 GB free SAS drives: 2,500 GB free NL-SAS drives: 11,500 GB free
  C. Flash drives: 900 GB free SAS drives: 2,000 GB free NL-SAS drives: 11,500 GB free
  D. Flash drives: 970 GB free SAS drives: 2,350 GB free NL-SAS drives: 11,080GB free
  A. Flash drives: 960 GB free SAS drives: 2,400 GB free NL-SAS drives: 11,040 GB free