单项选择题
A technician is looking for an emergency connection solution not reliant on local data or power services. Which of the following should the technician implement?（）
A.Satellite B.ADSL C.ISDN D.OC-3
All of the following will interfere with a 2.4GHz wirel...
单项选择题All of the following will interfere with a 2.4GHz wireless phone EXCEPT:（）
A.Bluetooth. B.802.11a. C.802.11b. D.802.11g.
Which of the following devices could be configured as a...
单项选择题Which of the following devices could be configured as a DHCP server?（）
A. Wireless router B. Unmanaged switch C. Hub D. Repeater
After a technician came out and installed a new wireles...
After a technician came out and installed a new wireless router, one of the wired workstations began having problems connecting to the file server. This is only an intermittent problem. Which of the following actions will the technician MOST likely perform to resolve this problem?（）
A. Change the router's SSID B. Move the router's location C. Check user permissions D. Check the cable ends
