E20-001 Exam

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Exam : EMC E20-001
Title : EMC Storage Technology Foundations


1. Which statement accurately describes parity-based RAID?
A. Parity is read each time a read is performed
B. Parity is updated only when a full stripe is read
C. Parity is updated each time a write is performed
D. Parity is updated only when writes fill a stripe
Answer: C

2. Click the Exhibit button.
Sorry, Missing the Exhibit
Based on the exhibit, which type of backup topology is shown?
A. Direct
B. LAN
C. SAN
D. Mixed
Answer: D

3. What is the role of a bus?
A. Control point for all host activities and resources
B. Device for storing data
C. High speed interconnect between CPU, memory, and disks
D. Temporary location for commands and data
Answer: C

4. What is a remote replication solution for EMC CLARiiON storage systems?
A. EMC MirrorView/A
B. EMC SnapView
C. EMC SRDF/AR
D. EMC TimeFinder
Answer: A

5. Which statement describes the iSCSI protocol?
A. ATA over SCSI
B. IP over SCSI
C. SCSI over ATA
D. SCSI over IP
Answer: D

6. Which local replication technology does EMC TimeFinder/Mirror implement?
A. Copy on First Access
B. Copy on First Write
C. Full Volume Mirroring
D. Pointer based
Answer: C

7. Which EMC Celerra component allows management of volumes and filesystems?
A. Control Station
B. Data Mover
C. Disk Array Enclosure
D. Storage Processor
Answer: A

8. Many FCAL nodes are attempting to simultaneously send I/O to a storage array. How is control of the loop determined?
A. Hub bypass circuit
B. Hub name service
C. Node that owns the token
D. Node with the highest priority
Answer: D

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