单项选择题
A. close to the servers
B. close to the end users
C. at the Internet edge
D. in front of web server farms
单项选择题 TheVPNterminationfunctionprovidestheabilitytoconnecttwonetworkstogethersecurelyovertheinternet.WhichoftheseistrueofIPaddressingwithregardtoVPNtermination？（）
多项选择题 AcmeCostumeCompanyisconnectingitsmanufacturingfaciltiestoitsstoreswithasmallpoint-to-multipointFrameRelayIPWAN.Littlegrowthisexpectedinthenetworkinfrastructure.Uptothispointthecompanyhasbeenusingadial-on-demandnetwork.DroppingWANcosts，however，haveledthemtoconsiderusingahigh-speedWANsolutiontoimproveaccess.Whichtworoutingprotocolscouldyoudeploytosupportthenewlargernetworkwhilekeepingcostsdown？（）
多项选择题 YouaretheCiscoNetworkDesignerinCisco.com.WhichoftheseareimportantwhendetermininghowmanyusersaNAScansupport？（）