100-150 Question 147
Single answerYou are working on troubleshooting a Cisco switch, and the engineer asks you to check the status lights for port connectivity. The engineer explains that a solid green light indicates a connected and active link, while an amber light signals a port issue. Upon inspecting the switch, you observe that one port has a flashing amber light. What does this indicate?
- A
The port is disabled by the administrator.
- B
The port is actively transmitting data.
- C
The port has failed a diagnostics test or is experiencing errors.
- D
The port is in a powered-off state.
Show answer and explanation
Correct answer: C
Explanation
A flashing amber light on a Cisco device indicates that the port has encountered an issue, such as failing a diagnostics test or experiencing errors. Identifying the meaning of status lights is vital for diagnosing and resolving network issues effectively.
- A. Incorrect.
A disabled port would typically not show a flashing amber light; it may show no light at all or a specific state depending on the configuration.
- B. Incorrect.
A flashing amber light does not indicate data transmission. Active data transmission is usually shown by a flashing green light.
- C. Correct.
A flashing amber light on a Cisco device often indicates a port issue, such as a failed diagnostics test or errors that need attention.
- D. Incorrect.
A powered-off port would not display any light, as it is not receiving power to illuminate the status LED.