CCNA ICND1 100-105: 350+ Practice Questions by Shaun Hummel

Author:Shaun Hummel
Language: eng
Format: mobi
Published: 2018-04-18T22:00:00+00:00

Layer 2 broadcast domain = VLAN (network segment)

Layer 3 broadcast = local subnet only

77. What layer 2 interface errors are caused by collisions?

Answer:

Exam Topic: Troubleshooting Interface and Cable Issues

The output of show interfaces list various layer 2 errors including runts, giants, collisions and CRC errors. The most common cause of CRC and runts is collisions. Gigabit Ethernet switch ports have eliminated collisions unless there is a configuration error or hardware issue. Collisions occur mostly when there is a duplex setting mismatch between host and switch interfaces. In addition collisions can occur when there is a bad network interface card (NIC) or cabling error. Giant frames (1600 bytes) result either from a faulty NIC card or an MTU misconfiguration on an interface.

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