What is the default STP cost of an Ethernet interface that is operating at 100 Mbps?

A) 25
B) 4
C) 16
D) 19


D
Explanation: D) The most commonly used STP costs for Ethernet interfaces include 100 (10 Mbps), 19 (100 Mbps), 4 (1 Gbps), and 2 (10 Gbps).

Computer Science & Information Technology

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Computer Science & Information Technology