Storage Technology Foundations (E20-001) Free Practice Test

Question 1

The queued writes on the source side exceed the size of the dedicated log file. Which remote replication technology requires a full resynchronization between source and target in this situation?

A. Synchronous plus extended distance consistent remote replication

B. LVM based remote replication

C. Array based synchronous remote replication

D. Disk buffered consistent remote replication

Correct Answer: B

Question 2

Which statement describes logical volumes?

A. May consist of several file systems

B. May consist of interleaved physical disks

C. May be presented to a host as several larger physical disks

D. May be a partition of a larger physical disk

Correct Answer: D

Question 3

What is the size of the unique Content Address when the CAS stores a data object?

A. 16 bit

B. 128 bit

C. 64 bit

D. 32 bit

Correct Answer: B

Question 4

What is a remote replication solution for EMC Symmetrix arrays?

A. EMC MirrorView

B. EMC SnapView

C. EMC TimeFinder

D. EMC SRDF

Correct Answer: D

Question 5

How does Asynchronous remote replication improve application performance, compared to Synchronous remote replication?

A. Reads are serviced by the source

B. Reads are serviced by the remote replica

C. Writes are acknowledged immediately by the source

D. Writes are acknowledged immediately by the remote replica

Correct Answer: C

Question 6

What is a remote replication solution on EMC Symmetrix Arrays?

A. EMC TimeFinder/Mirror

B. SnapView

C. SRDF/S

D. MirrorView/A

Correct Answer: C

Question 7

Which option supports boot from SAN over iSCSI?

A. NIC Card

B. iSCSI software initiator

C. TOE Card

D. iSCSI HBA

Correct Answer: D

Question 8

What is a key advantage of disk striping over a single disk?

A. Availability

B. Space utilization

C. Protection

D. Performance

Correct Answer: D

Question 9

A business wants to back up 1 TB of data containing 100,000 files and another 1 TB of data containing 1 million files. What would be different between the two backups?

A. Size of the catalog

B. Number of tape libraries

C. Type of media

D. Amount of media

Correct Answer: A

Question 10

Which SAN security mechanism will prevent a switch port from being enabled even after a switch reboot?

A. Persistent Port Disable

B. S_ID Lockdown

C. Port Lockdown

D. Port Binding

Correct Answer: A

Question 11

Which storage device requires the least data access time?

A. Hard Disk

B. Tape

C. Optical Disk

D. Jukebox

Correct Answer: A

Question 12

Which remote replication method is most affected by the distance between source and target?

A. Disk buffering

B. Log shipping

C. Synchronous

D. Asynchronous

Correct Answer: C

Question 13

Which represents a common implementation of a storage network with limited scalability?

A. Fibre Channel Arbitrated Loop

B. Store and Forward

C. Switched Fabric

D. CSMA/CD

Correct Answer: A

Question 14

A disk has Cylinder Head Sector (CHS) values of 1000, 4 and 25. What address range will be used for the Logical Block Address (LBA) values for this disk?

A. 0 - 49,999

B. 0 - 99,999

C. 1 - 50,000

D. 1 - 100,000

Correct Answer: B

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EMC Storage Technology Foundations (E20-001) Free Practice Test