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Question 521 - 220-1101 discussion

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A user's desktop computer is connected via an Ethernet cable and often drops the connection. When the computer does connect, the network speeds are normal. No other network users on the same floor are reporting issues. The administrator verified that all authentication systems are working as intended and the Ethernet cable was replaced. Which of the following is the most likely cause of the issue?

A.
Slow network speeds
Answers
A.
Slow network speeds
B.
Port flapping
Answers
B.
Port flapping
C.
Limited connectivity
Answers
C.
Limited connectivity
D.
802.1X configuration
Answers
D.
802.1X configuration
Suggested answer: B

Explanation:

Port flapping, also known as link flapping, is a network issue that causes a switch port's state to fluctuate between up and down within short periods of time. This instability affects network connectivity and performance. Port flapping can be caused by various factors, such as faulty cables, hardware issues, configuration issues, or other network issues12. In this scenario, the user's desktop computer is connected via an Ethernet cable and often drops the connection, while no other network users on the same floor are reporting issues. The administrator verified that all authentication systems are working as intended and the Ethernet cable was replaced. Therefore, the most likely cause of the issue is port flapping on the switch port that connects to the user's computer.

Reference

1: Port flapping -- Definition, common causes, and troubleshoot ...

2: Solved: Port Flapping Issue - Cisco Community

asked 02/10/2024
Anirban Ganguly
48 questions
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