Which of the following is the MOST important reason for ensuring a RJ-11 phone line jack is not connected to a RJ-45 Ethernet network port?
A. RJ-11 jacks do not support full duplex.
B. Ethernet supports pulse dialing, not tone dialing.
C. The public telephone network uses token-ring, not Ethernet.
D. Phone line voltages can damage Ethernet equipment.
Answer: D. Phone line voltages can damage Ethernet equipment.
Computer Science & Information Technology
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Computer Science & Information Technology