單項(xiàng)選擇題

A customer is building a database server， and the server does sequential write most of the time. They are planning to use an IBM x445 and a ServeRAID-6M adapter. Which of the following fault tolerant RAID levels will perform best for sequential write？（）

A.RAID-5 with cache write back
B.RAID-1E with cache write back
C.RAID-10 with cache write thru
D.RAID-50 with cache write thru

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單項(xiàng)選擇題

The statistics for a poorly performing， dual-processor x365 system are as follows：
（1）Processor： 80% for 5-second increments
（2）Memory page faults： 360/second average over 15 minutes
（3）Disk % disk time： 100%
Which of the following will provide the greatest performance improvement？（）

A.Add memory
B.Add a processor
C.Exchange the existing processor for a faster processor
D.Add a faster disk subsystem

單項(xiàng)選擇題

Which of the following is the benefit of installing two expandability cables to an RXE-100 from an x445？（）

A.Higher availability of the enclosure
B.Access to both channels of the RXE-100
C.Support for more PCI-X 133MHz I/O cards
D.Improved management of the Drawer Management Controller in the RXE-100

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A customer is building a database server， and the server does sequential write most of the time. They are planning to use an IBM x445 and a ServeRAID-6M adapter. Which of the following fault tolerant RAID levels will perform best for sequential write？（）

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Which of the following is the benefit of installing two expandability cables to an RXE-100 from an x445？（）

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A customer is building a database server， and the server does sequential write most of the time. They are planning to use an IBM x445 and a ServeRAID-6M adapter. Which of the following fault tolerant RAID levels will perform best for sequential write？（）

Which of the following is the benefit of installing two expandability cables to an RXE-100 from an x445？（）