100-150 Question 153
Single answerYou are troubleshooting a network connection issue on a switch port. The Ethernet link light on the port is blinking green. What does this status most likely indicate?
- A
The port is administratively shut down.
- B
The port is actively transmitting or receiving data.
- C
There is no physical connection to the port.
- D
The port is experiencing a hardware failure.
Show answer and explanation
Correct answer: B
Explanation
The color and status of a link light provide critical information about the state of a network port. A blinking green link light indicates the port is functioning correctly and is actively transmitting or receiving data. This is a normal and expected behavior for an operational port during communication.
- A. Incorrect.
If the port is administratively shut down, the link light would typically be off, not blinking green.
- B. Correct.
A blinking green link light on an Ethernet port generally indicates that the port is operational and actively transmitting or receiving data.
- C. Incorrect.
If there were no physical connection, the link light would likely be off, not blinking green.
- D. Incorrect.
A hardware failure is typically indicated by an amber or red light, not a blinking green light.