单项选择题

A manufacturing company has a large facility which has its offices at one end and a manufacturing floor at the other. The company is looking to implement new equipment that requires access to the company’s SAN that is over 2.4 kilometers away in the office area. Which of the following solutions will satisfy this requirement？（）

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

<上一题目录下一题>

热门试题

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

单项选择题Acustomerisexperiencingaperformancebottleneck.TheserverisperformingsequentialI Orequestswithlargeblocksizesof64KB.Improvingwhichofthefollowingstoragesubsystemcharacteristicshasthebiggestimpactonthisbottleneck？（）

A.Seek Time
B.Drive RPM
C.Data Transfer Rate
D.Rotational Latency

单项选择题AnxSeriesspecialistmonitorsacustomer’sserverthathaspoorperformance.Thecustomerisrunninganx365withaServeRAID6icontrollerwithwrite-backcacheturnedonandten15KrpmdrivesinaRAID-5array.Itisamission-criticalserverandmusthavearedundantstoragesystem.PerformancetestsindicatethattheAverageDisksec Transferexceeds20ms.Whichofthefollowingisthelowest-costmethodtoincreasethethroughput？（）

A.Disable the ServRAID cache
B.Change the RAID level to 10
C.Change the cache level to Write Through
D.Add five more drives to the array to increase the number of read/write heads

单项选择题Acustomerwantstocreatebackupsataremotelylocateddatacenter.Priceandperformanceareofprimaryimportance，sobackuptodisksattheremotelocationisselectedinsteadoftape.Theremotelocationis1KM（0.6Miles）awayfromthedatacenter.NASisthesolutionbeingconsidered.Whichofthefollowingisthebenefitofthissolution？（）

A.NAS runs on 2Gb fibre， which will provide better performance.
B.NAS uses WAN infrastructure， which can easily span the 1 KM gap.
C.NAS requires fibre storage， which allows dual paths for redundancy.
D.NAS requires iSCSI routers and offers better growth environment.