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
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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 -
单项选择题
Which of the following connectors would be used if the EIA/TIA 568 scheme is followed?（）
A.ST
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