单项选择题

A consultant has been asked to do a performance analysis on a database server. Which subsystem should the consultant first analyze and why？（）

A.CPU，because the database replication process requires a considerable amount of CPU time
B.Memory，because the buffer cache requires a large amount of memory to maintain the data in system memory
C.Disk，because it is important to configure a sufficient number of disks to match the CPU processing power
D.Network，because the data returned to the client from the server can be a large subset of the total database

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热门试题

单项选择题Whileexplainingtoacustomerthefaulttolerantbenefitsofx445theyaskwhathappensiftheyimplementmemorymirroringandaDIMMfailsintheSMPexpansionmodule.Whichofthefollowingisthemostappropriateresponse？（）

A.The DIMM is taken off line， and fault tolerance is available on the other DIMMs only.
B.The memory bank is taken offline and rebuilt with the online hot spare and then brought back on line.
C.The memory bank containing the failed DIMM is taken off line， and the system is no longer fault tolerant until replaced.
D.The DIMM is taken offline， and the online hot spare is initiated and the system remains fault tolerant.

单项选择题Acustomerneedsa2-wayXeonsystemtodaybutplansonexpandingtoa4-wayearlynextyear.Thecustomerislookingtolimittheinitialcostsasmuchaspossiblebutmaynotbeasbudgetconstrainednextyear.Whichofthefollowingisthebestsolutiontoallthecustomer’sneeds？（）

A.An x445 with 2 Xeon DP processors. Plan on adding 2 more Xeon DP processors next year.
B.An x445 with 2 Xeon MP processors. Plan on adding 2 more Xeon MP processors next year.
C.An x366 with 2 Xeon MP processors. Plan on adding 2 more Xeon MP processors next year.
D.An x366 with 2 Xeon DP processors. Plan on adding 2 more Xeon DP processors next year.

单项选择题Whichofthefollowingx3668GBmemoryconfigurationswillproducethebestperformance？（）

A.One memory card with four 2GB DIMMs
B.Two memory cards with four 2GB DIMMs
C.Two memory cards with eight 1GB DIMMs
D.Four memory cards with eight 1GB DIMMs

单项选择题A4-wayx445serverwith2GBofmemoryrunningWindows2003ServerwithExchange2003isperformingpoorly.Usersarecomplainingofslowresponsetimeswhenaccessingtheiremail.Whichsubsystemshouldbecheckedfirstasapotentialbottleneck？（）

A.Processors
B.Memory subsystem
C.Storage subsystem
D.Network connectivity

单项选择题A2-wayinterleavedDDRconfigurationanda4-wayinterleavedSDRAMconfigurationwillproducewhichofthefollowing？（）

A.They will have the same memory bandwidth.
B.2-way will provide higher memory bandwidth than 4-way.
C.4-way will provide higher memory bandwidth than 2-way.
D.4-way will provide higher memory bandwidth but only on an x445.