Which of the following is the MOST likely connection type for a backup external modem？（）

Anadministratorwantstolimithowmuchdataeachuserisstoring...

单项选择题An administrator wants to limit how much data each user is storing. Which of the following will BEST address this issue？（）

WhichofthefollowingstorageconnectorshastheFASTESTspeed？...

单项选择题Which of the following storage connectors has the FASTEST speed？（）

Whichofthefollowingexpansioncardslotswasdesignedspecifi...

单项选择题Which of the following expansion card slots was designed specifically for video cards？（）