YouhaveaMicrosoftInternetSecurityandAccelerator（ISA）2006serverthatprovidesallInternetaccessforyourcompany.YouhavetwoMailboxserversconfiguredinadatabaseavailabilitygroup（DAG），twoClientAccessservers，andtwoHubTransportservers.YouneedtorecommendchangestotheenvironmenttoensurethatuserscanaccessOutlookWebApp（OWA）fromtheInternetifanysingleserverfails.Whatshouldyourecommend？（）
A.ConfigureaClientAccessserverarray.
B.DeployasecondISAserverandcreateanISAserverarray.
C.ImplementWindowsNetworkLoadBalancingfortheClientAccessservers.
D.DeploytwoEdgeTransportserversthatareconfiguredtouseEdgeSyncsynchronization.
参考答案：B
