EMC E20-001 Online Practice Questions and Exam Preparation

EMC E20-001 Online Questions & Answers

• Question 1:

  Exhibit:

  You work as a network administrator at Certpaper.com. You study the exhibit carefully. In the environment shown in the exhibit, the storage devices are RAID-1 protected. Which two components are Single Points of Failure?

  

  A. Switch and Storage Array Port
  B. Host and Switch
  C. Storage Array Port and Storage Device
  D. HBA and Host
  A. Switch and Storage Array Port

• Question 2:

  What is a role of the backup client in a backup and recovery environment?

  A. Maintain the backup catalog
  B. Write the data set to the backup device
  C. Gather data for backup
  D. Retrieve metadata from the storage node
  C. Gather data for backup

• Question 3:

  What is a role of the backup server in a backup and recovery environment?

  A. Writes the data set to the backup device
  B. Gathers data for backup
  C. Retrieves metadata from the storage node
  D. Maintains the backup catalog
  D. Maintains the backup catalog

• Question 4:

  Which storage device requires the least data access time?

  A. Tape
  B. Optical Disk
  C. Hard Disk
  D. Jukebox
  C. Hard Disk

• Question 5:

  For which remote replication technology is host involvement an absolute requirement?

  A. Synchronous
  B. Logical volume manager mirroring
  C. Disk buffered consistent point in time copies
  D. Asynchronous
  B. Logical volume manager mirroring

• Question 6:

  How do you define the sustained internal transfer rate of disk drives?

  A. It is the speed at which data moves from platter to read/write head
  B. It is the advertised speed of the interface
  C. It is the speed at which data moves from a track to internal buffer
  D. It is the speed at which data moves from read/write head to platter
  C. It is the speed at which data moves from a track to internal buffer

• Question 7:

  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. 0.2
  B. 0.02
  C. 0.1
  D. 2
  A. 0.2

• Question 8:

  In addition to Applications and Databases, what are the other core elements of a data center infrastructure?

  A. JBOD, Networks, and Storage Arrays
  B. Servers/Operating Systems, DAS, and NAS
  C. Servers/Operating Systems, Networks, and Storage Arrays
  D. Servers/Operating Systems, SAN, and JBOD
  D. Servers/Operating Systems, SAN, and JBOD

• Question 9:

  A stripe depth of 32 KB has been assigned to a five disks RAID 5 set. What is the stripe size?

  A. 128KB
  B. 32KB
  C. 160KB
  D. 64KB
  A. 128KB

• Question 10:

  Which statement describes the iFCP protocol?

  A. IP-based gateway-to-gateway protocol that can be used for SAN extension
  B. IP-based protocol that is required to present FC targets to FC initiators
  C. IP-based tunneling protocol that can be used for SAN extension
  D. IP-based protocol that is required to present block storage from a NAS appliance
  A. IP-based gateway-to-gateway protocol that can be used for SAN extension