Avirtual(71)network,orVPN,isanencryptedconnectionovertheInternetfromadevicetoanetwork.Theencryptedconnectionhelpsensurethatsensitivedataissafely(72).Itprevents(73)peoplefromeavesdroppingonthetrafficandallowstheusertoconductworkremotely.TrafficonthevirtualnetworkissentsecurelybyestablishinganencryptedconnectionacrosstheInternetknownasa(74).AremoteaccessVPNsecurelyconnectsadeviceoutsidethecorporateoffice.Asite-to-siteVPNconnectsthecorporateofficetobranchofficesovertheInternet.Site-to-siteVPNsareusedwhendistancemakesitimpracticaltohavedirectnetworkconnectionsbetweentheseoffices.Thinkofsite-to-siteaccessas(75)tonetwork.
A.network
B.device
C.computer
D.endpoint
正确答案是A