Atechnicianisresponsibleforoverseeingtwelveremoteoffices.Therewasareportofapower outageatoneoftheremoteofficesthenightbefore，andnowoneoftheserverstherehasnotrebootedeventhoughitwasshutdowngracefully.Thetechnicianwasforcedtotraveltwohoursjusttoturntheserveron.WhichofthefollowingistheMOSTcosteffectivewaytopreventfuturetravel？（）
A.Installageneratoronsite.
B.Installaremotemanagementcardintheserver.
C.Installanuninterruptiblepowersupply（UPS）onsite.
D.Movetheservertothemainoffice.
参考答案：B
