Multiple choice

Forty stations are on an Ethernet LAN. A 10- port bridge segment the LAN. What is the effective average data rate of each station?

  1. 1.0 Mbps

  2. 2.0 Mbps

  3. 2.5 Mbps

  4. 5.0 Mbps
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C Correct answer
Explanation

With 40 stations on an Ethernet LAN segmented by a 10-port bridge, each segment handles 4 stations (40/10). If the total bandwidth is 10 Mbps and each segment gets 1 Mbps (10/10 ports), then each station in a segment gets 0.25 Mbps (1/4). However, if we calculate based on standard Ethernet collision domain reduction: a 10-port bridge creates 10 collision domains, each with 10 Mbps / 4 stations = 2.5 Mbps effective average per station. The calculation depends on traffic patterns but 2.5 Mbps is a reasonable approximation.

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