单项选择题
A. WPA-PSK encryption B. SSID broadcast C. Port forwarding D. MAC filtering
Users are unable to access the Internet but the users a...
单项选择题Users are unable to access the Internet but the users are able to send/receive email from theirdesktops. Which of the following ports is MOST likely being blocked?（）
A.25 B.80 C.110 D.143
When testing a CAT5 cable, the technician notices that ...
单项选择题When testing a CAT5 cable, the technician notices that pin A is open. However, the cable stillworks fine. Which of the following describes how this is possible?（）
A. The cable was tested for 100Base-TX. B. The cable is a 1000BaseT cable. C. The switch uses link aggregation, D. The switch was setup to use MDIX
Which of the following allows a WAP to be installed in ...
单项选择题Which of the following allows a WAP to be installed in a location where there are no power outletsavailable?（）
A. Port authentication B. PoE C. PPTP D. Trunking
