单项选择题

A customer is experiencing a performance bottleneck in a disk subsystem. The server is performing sequential I/O with a small number of users requesting large files. Which of the following would most likely resolve the bottleneck？（）

A.Increase seek translation
B.Increase data transfer rate
C.Decrease rotational latency
D.Increase rotational latency

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单项选择题

A customer needs the ability to recover their data if a total system failure occurs. Which two of the following are the most important considerations in determining the solution？（）

A.Network utilization
B.Total amount of storage installed
C.Amount of open files in the backup
D.Amount of critical data in the backup or restore

单项选择题

A customer is running an application with large block files that contain images and video files. They have a requirement for a low cost storage solution. The consultant recommended considering the NAS solution. Which of the following benefits will the NAS solution provide？（）

A.Utilizes existing infrastructure
B.Provides direct host attached solution
C.NAS storage will use the reliable iSCSI protocol
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Attaching to a NAS storage system through redundant NICs will provide which of the following？（）

A.High availability and failover
B.File sharing on the storage system
C.Better bandwidth through NIC Teaming on attached servers
D.Greater number of LUNS available on the same storage system