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？（）

单项选择题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

单项选择题WhichofthefollowingisthebenefitofinstallingtwoexpandabilitycablestoanRXE-100fromanx445？（）

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

单项选择题Anx445withtwo3.0GHzDPprocessorsand2GBofRAMisrunningaprocessor-intensivefloating-pointgeologicalapplicationthatcalculatespressuresintheearth’scrust.Ittakesalongtimeforeachcalculation，andthedirectorofcomputingwantsthecalculationstotakelesstime.Memoryaddressedbytheapplicationmayalsobeabottleneck.Whichofthefollowingwillmostimprovetheabilitytorunthecalculationsinlesstime？（）

A.Replace the two 3.0 GHz DP processors with four 3.0GHz MP processors with a 4MB L3 cache and 4GB of RAM
B.Replace the x445 with an x366 with four 3.66 EM64T processors with a 1MB L2 cache and 4GB of RAM
C.Replace the two 3.0GHz DP processors with two 3.0GHz MP processors with a 4MB L3 cache and 2GB RAM
D.Replace the two 3.0GHz DP processors with four 3.0 GHz DP processors with a 512KB L2 cache and 4GB RAM

单项选择题Acustomer’sserverisexperiencingslowapplicationresponseduetolackofprocessorpower.InwhichoneofthefollowingsystemswouldtheadditionoftheExpandOnDemandprocessorupgradefeaturebenefitfutureexpansion？（）

A.An x255 with 4 processors
B.An x365 with 4 processors
C.An x445 with 4 processors
D.An x445 with 32 processors

单项选择题A FastT Host FC-2 bus adapter， a U320 SCSI adapter， and three 10 100Mb Ethernet adapters have to be installed as optimally as possible.  This is going to be a 24X7 system.  The addition of extra PCI-cards is a major consideration as well.  Based on the following， what is the best configuration？（） （1）Slot 1  66MHz  Bus 1       （2）Slot 2  66MHz  Bus 1       （3）Slot 3 100MHz  Bus 2       （4）Slot 4 100Mhz  Bus 2       （5）Slot 5 133Mhz  Bus 3       （6）Slot 6 133Mhz  Bus 3

A.Put the Ethernet adapters in slots 1， 2 and 3. Put the FastT HBA in slot 5. Put the U320 adapter in slot 6.
B.Put the Ethernet adapters in slots 1， 4 and 6. Put the FastT HBA in slot 5. Put the U320 adapter in slot 3.
C.Put the Ethernet adapters in slots 1， 2 and 4. Put the FastT HBA in slot 3. Put the U320 adapter in slot 5.
D.Put the Ethernet adapters in slots 1， 2 and 3. Put the FastT HBA in slot 5. Put the U320 adapter in slot 4