多项选择题
A. load balancing
B. scalability
C. remote management
D. fault tolerance
E. service assurance
单项选择题 Avirtualstorageareanetwork（VSAN）isacollectionofportsfromasetofconnectedFibreChannelswitches，thatformavirtualfabric.Whichtechnologyallowscentralizedstorageservices tobesharedacrossdifferentVSANs？（）
单项选择题 YouaretheCiscoNetworkDesignerinCisco.com.WhatisthetermforalogicalSANwhich providesisolationamongdevicesphysicallyconnectedtothesamefabric？（）
单项选择题 Anetworkvulnerabilityscannerispartofwhichcriticalelementofnetworkandsystemsecurity？（）