单项选择题
Which Internet protocol encrypts and decrypts user page requests， as well as the pages that are returned by a web server using SSL？（）
A.NNTP B.FTP C.HTTP D.HTTPS
单项选择题 Ausercansende-mail，butcannotreceiveanye-mail.Whichofthefollowingsettingsshouldbeverifiedinthee-mailaccount？（）
单项选择题 InWindows2000，whereshouldyougotojoinaworkgroupordomain？（）
单项选择题 WhenmakingaserialconnectionbetweentwoWindows2000machines，whichtypeofcableisneededforpropercommunications？（）
