EMC E20-001 Online Practice Questions and Exam Preparation

EMC E20-001 Online Questions & Answers

• Question 171:

  What is true about Reserved LUN Pool in EMC CLARiiON SnapView replication?

  A. A pool of LUNs that do not yet have a RAID type assigned
  B. A pool of LUNs that can hold COFW data
  C. A pool of LUNs that can be used as hot spares
  D. A pool of LUNs reserved for use by a specific host
  B. A pool of LUNs that can hold COFW data

• Question 172:

  What is true about a pull operation in SAN based remote replication?

  A. Data is pulled to the control array from remote array
  B. Data is pulled to one control array from another control array
  C. Data is pulled to one remote array from another remote array
  D. Data is pulled to the remote array from control array
  A. Data is pulled to the control array from remote array

• Question 173:

  What might be a key factor that drives an organization to deploy a NAS solution?

  A. To support a heterogeneous operating environment
  B. To handle large sequential workload
  C. To support multi-vendor storage array
  D. To provide storage consolidation through block-level data access
  A. To support a heterogeneous operating environment

• Question 174:

  What is true about parity-based RAID?

  A. Parity is read each time a read is performed
  B. Parity is updated when writes fill a stripe
  C. Parity is read only when a full stripe is read
  D. Parity is updated each time a write is performed
  D. Parity is updated each time a write is performed

• Question 175:

  To what does a redundant array of independent node architecture refer?

  A. Clustered storage and access node network
  B. Technology independent object storage network
  C. Data independent storage and host network
  D. Location independent storage network
  A. Clustered storage and access node network

• Question 176:

  Consider a disk I/O system in which an I/O request arrives at a rate of 100 IOPS and the service time is 2ms. What is the disk I/O controller utilization?

  A. 20%
  B. 2%
  C. 10%
  D. 200%
  A. 20%

• Question 177:

  A customer is primarily looking for cabling flexibility in a SAN environment. Which zoning method would you recommend?

  A. WWN zoning
  B. Hard zoning
  C. Mixed zoning
  D. Port zoning
  A. WWN zoning

• Question 178:

  What is a logical component of a storage environment?

  A. Disk
  B. Bus
  C. File system
  D. Memory
  C. File system

• Question 179:

  An application uses a file system. A local replica of the application is required. Business requirements demand that the application be available on a 24x7 basis. Which operation should be performed for a consistent file system replica?

  A. Flush file system buffers before the creation the replica
  B. Stop the application prior to the creation of the replica
  C. Unmount the file system prior to the creation of the replica
  D. Flush file system buffers after the creation of the replica
  A. Flush file system buffers before the creation the replica

• Question 180:

  Which task is an example of monitoring the performance of a data center object?

  A. Graphing the rates of user login failures per day
  B. Examining the operational status of a device port
  C. Viewing rates of data transmission of all disks
  D. Creating a list of file systems that are under utilized
  C. Viewing rates of data transmission of all disks