25. A storage administrator wants to consolidate data from a branch data center with a CX300 to a central data center with a CX3-80. The administrator needs to minimize the amount of data sent from the branch data center to the central data center.
Which replication software should be licensed on the CX300?
A. SAN Copy/E
B. SAN Copy
C. MirrorView/S
D. MirrorView/A
Answer: A
26. Which feature describes the PSM LUN on the CX Series or later array?
A. Both SPs access a single copy
B. Resides on the first nine drives
C. Viewable in Navisphere Manager
D. Created after array initialization by the administrator
Answer: A
27. On a CLARiiON, which RAID technology provides the best performance with a workload of random writes of 4 KB or less?
A. RAID 1/0
B. RAID 3
C. RAID 4
D. RAID 5
Answer: A
28. Which statement describes the difference between RAID 1/0 and RAID 0+1 when a disk fails and is replaced?
A. RAID 1/0 rebuilds the affected stripe. RAID 0+1 rebuilds the entire disk group.
B. RAID 1/0 rebuilds the affected disk only. RAID 0+1 rebuilds the affected stripe.
C. RAID 1/0 rebuilds the affected stripe. RAID 0+1 rebuilds the affected disk only.
D. RAID 1/0 rebuilds the entire disk group. RAID 0+1 rebuilds the affected stripe only.
Answer: B
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