单选题A user on a network cannot access any network resources. The link light on the computer showsthat a connection is present. Which of the following is the MOST likely cause of the problem?（）AThe wrong cable type has been used.B. IDS has shut down the computer's switch port.CThe port on the switch is configured incorrectlyDSpanning tree protocol was implemented.
单选题
A user on a network cannot access any network resources. The link light on the computer showsthat a connection is present. Which of the following is the MOST likely cause of the problem?（）
A
The wrong cable type has been used.
B
. IDS has shut down the computer's switch port.
C
The port on the switch is configured incorrectly
D
Spanning tree protocol was implemented.
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