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- 单项选择题Why would a network administrator configure port security on a switch?（）
A、To prevent unauthorized Telnet access to a switch port.
B、To limit the number of Layer 2 broadcasts on a particular switch port.
C、To prevent unauthorized hosts from accessing the LAN.
D、To protect the IP and MAC address of the switch and associated ports.
E、To block unauthorized access to the switch management interfaces over common TCP ports.
- C
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