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EMC Storage Technology Foundations Sample Questions:

1. What is the protocol used by a Windows client to communicate with a NAS device?

A) FCP
B) NFS
C) SCSI
D) CIFS

2. Which remote replication solution has the lowest bandwidth requirement?

A) Array-based synchronous replication
B) Log shipping
C) LVM-based synchronous mirroring
D) Three-site replication

3. 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) 2
B) 0.02
C) 0.1
D) 0.2

4. What is the write penalty in RAID 5?

A) 1
B) 2
C) 4
D) 6

5. Which remote replication solution has the highest bandwidth requirements?

A) Array-based asynchronous
B) Log shipping over IP networks
C) Array-based synchronous
D) Host-based asynchronous LVM Mirroring

Solutions: