单项选择题
Which of the following is needed to boot into the Recovery Console in Windows XP?（）
A. Emergency Restore Disk B. System Restore point C. Original Installation CD D. Automated System Recovery
单项选择题 Which of the following is the MOST common secure web server port?（）
多项选择题 A client states they are receiving poor signal strength on their wireless Internet connection. Which of the following is MOST likely causing the interference?（）
单项选择题 Which of the following BEST describes a hub?（）
