单项选择题 Which of the following is the MAXIMUM theoretical transfer rate of an IDE cable?（）

多项选择题 Which of the following are types of front panel connectors?（）

单项选择题 A customer, who brings their laptop to work on a daily basis, calls to ask for the best way to add USB ports and an additional network card to their laptop. Which of the following would meet the user’s requirements?（）