Exam N10-008 topic 1 question 684 discussion

Actual exam question from CompTIA's N10-008

Question #: 684
Topic #: 1

A technician is troubleshooting intermittent connectivity between devices and viewing the following syslog entries from a switch:

21 Feb 2022 16:02:0231 NOTIFICATION %LINK-I-DOWN: G1/10
21 Feb 2022 16:02:0262 NOTIFICATION %LINK-I-UP: G1/10
21 Feb 2022 16:03:5321 NOTIFICATION %LINK-I-DOWN: G1/10
21 Feb 2022 16:03:7873 NOTIFICATION %LINK-I-UP: G1/10

Which of the following are these entries indicative of?

A. DDoS attack
B. Jitter
C. Latency
D. Link flapping

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Suggested Answer: D 🗳️

by subaie503 at March 16, 2024, 3:18 a.m.

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Marinos_89

7 months, 2 weeks ago

Selected Answer: D

Link flapping: occurs when a network interface, such as a switch port, goes up and down repeatedly, as indicated by the syslog messages. The logs show the port (G1/10) going "DOWN" and then "UP" multiple times within a short time frame, which is a clear sign of link instability or "flapping."

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subaie503

1 year, 1 month ago

Selected Answer: D

D. Link flapping The syslog entries from the switch indicate that the link on port G1/10 is repeatedly going down and then coming back up in a short amount of time. This behavior is known as link flapping. Link flapping can be caused by various issues, such as faulty cables, bad ports, or misconfigured network equipment, leading to intermittent connectivity between devices.

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Exam N10-008 topic 1 question 684 discussion

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