单项选择题
A. The wireless access point is using MAC address filtering
B. The user has connected to a nearby wireless access point from another office
C. The user has configured the wireless settings with the wrong encryption type
D. The wireless access point has SSID broadcast disabled
单项选择题 Which of the following groups is BEST to assign to a home user to prevent software installation?（）
单项选择题 A customer has a wireless router installed in their home office. The customer is having issues with signal strength at the opposite end of the house. Which of the following is the BEST option to increase the signal strength?（）
单项选择题 A program is crashing and causing the computer to lockup. Which of the following is the BESTlocation for a technician to check for further information about the cause of the crash?（）