【判断题】When you ask sb. to open the window, if you are a lady it's polite to say "Open the window, will you?"; if you are a man you should say "Let's open the window, shall we?"
【单选题】Your production database is running in archivelog mode and you are using recovery manager (RMAN) with recovery catalog to perform the database backup at regular intervals. When you attempt to restart ...
【单选题】You are attending a meeting on Microsoft Windows Meeting Space. At the same time, you attempt to join a second meeting also hosted on Windows Meeting space. The dialog box that allows you to join the ...