SecureShell(SS H)isacryptographicnetworkprotocolfor(请作答此空)remoteloginandothersecurenetworkservicesoveran()network.Thestandard()portforSSHis22.Thebestknownexampleapplicationisforremotelogintocomputersystemsbyusers. SSHprovidesasecurechanneloveraninsecurednetworkina()architecture,connectinganSSHclientapplicationwithanSSHserver.Commonapplicationsincluderemotecommand-lineloginandremotecommandexecution,butanynetworkservicecanbesecuredwithSS H.Theprotocolspecificationdistinguishesbetweentwomajorversions,referredtoasSSH-1andSSH-2. Themostvisibleapplicationoftheprotocolisforaccesstoshellaccountson()operatingsystems,butitseessomelimiteduseonWindowsaswell.In2015,MicrosoftannouncedthattheywouldincludenativesupportforSSHinafuturerelease.
A.secure B.insecure C.sftp D.scp正确答案A
