单项选择题
Which of the following is the MOST likely connection type for a backup external modem？（）
A. IEEE 1394 B. SCSI C. Serial D. SATA
单项选择题 Anadministratorwantstolimithowmuchdataeachuserisstoring.WhichofthefollowingwillBEST addressthisissue？（）
单项选择题 WhichofthefollowingstorageconnectorshastheFASTESTspeed？（）
单项选择题 Whichofthefollowingexpansioncardslotswasdesignedspecificallyforvideocards？（）
