单项选择题

An application vendor wants to choose a fault tolerant platform for their new application. The application benefits from multiple processors and has been tested on Red Hat Advanced Server 3. To determine the memory requirements for the application， which of the following is the best procedure？（）

A.The application should be tested and baselines should be measured with simulated user loads.
B.The application should be tested with the minimum amount of memory then increase the memory in increments until an acceptable response is achieved.
C.The application should be tested with differing amounts of memory and the fastest response time is reached it should be used as the acceptable configuration.
D.The application should be tested with the maximum amount of memory then decrease the memory in increments until an acceptable price/performance ratio is reached.

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热门试题

多项选择题Acompanywantstoconsolidate20existingdualprocessorPentiumIIIservers，allrunningawebserverapplicationonWindowsServer2003.Theyareconsideringconsolidatingtoasinglex445runningVMWareESX.WhichTWOofthefollowingquestionswillprovideenoughinformationtodeterminethecorrectprocessorconfiguration？（）

A.Do the web servers require SMP capability？
B.Is the web content static or dynamic information？
C.What is the average CPU utilization of the existing web servers？
D.Will the servers need a SCSI or Fibre Channel storage solution？
E.What are the expected growth rates for the web servers？

单项选择题An online retailer is considering deploying a database application on xSeries and Windows to serve their Web-based transactions. The database will need about 4TB of usable storage. Downtime costs the customer tens of thousands of dollars per minute， so system availability will be of highest priority. The customer needs to acquire the system within a certain budget but will pay for things that provide higher system availability. Which of the following will be the most appropriate solution？（）

A.A dual pathed switched DS4000 Solution with Clustering， Remote replication， Redundant NICs， and Fibre attached backup
B.A single path Direct attach DS4000 solution implemented with Clustering and SAN Based Backup combined with IBM Director for PFA management
C.A dual pathed Direct Attach fibre solution， along with dual NICs and memory mirroring
D.An iSCSI solution with dual NIC’s with the Flashcopy option enabled on the DS300

单项选择题Amanufacturingcompanyhasalargefacilitywhichhasitsofficesatoneendandamanufacturingfloorattheother.Thecompanyislookingtoimplementnewequipmentthatrequiresaccesstothecompany’sSANthatisover2.4kilometersawayintheofficearea.Whichofthefollowingsolutionswillsatisfythisrequirement？（）

A.Install a longwave GBIC in the office SAN switch and string a multimode fibre from the office to the manufacturing floor
B.Install a longwave GBIC in the office SAN switch and string a singlemode fibre from the office to the manufacturing floor
C.Install a shortwave GBIC in the office SAN switch and string a multimode fibre from the office to the manufacturing floor
D.Install a shortwave GBIC in the office SAN switch and string a singlemode fibre from the office to the manufacturing floor

单项选择题AcustomerhasafileserverusingRAID-5with8KBsequentialwriteoperations.Howshouldthediskcontrollercachebeconfiguredforoptimalperformanceanddataintegrity？（）

A.Use write-back cache with battery backup enabled
B.Use write-through cache with battery backup enabled
C.Use read-back cache with battery backup enabled
D.Use read-through cache with battery backup enabled

单项选择题Acustomerneedstoinstalladatabaseonaserver.WhichofthefollowingstatementsdescribeshowtomodifytheRAIDconfigurationforoptimalperformance？（）

A.Place both the database and transaction log on two logical drives in one RAID-10 array
B.Place both the database and transaction log on two logical drives in one RAID-1E array
C.Place the database on a RAID-1E array and place the transaction log on a separate RAID-5 array
D.Place the database on a RAID-5 array and place the transaction log on a separate RAID-1E array