Learn the best speed and duplex settings for link port aggregation between Gigabit Ethernet distribution and Fast Ethernet access switches to maximize throughput.
Table of Contents
Question
A network technician is attempting to increase throughput by configuring link port aggregation between a Gigabit Ethernet distribution switch and a Fast Ethernet access switch. Which of the following is the BEST choice concerning speed and duplex for all interfaces that are participating in the link aggregation?
A. Half duplex and 1GB speed
B. Full duplex and 1GB speed
C. Half duplex and 100MB speed
D. Full duplex and 100MB speed
Answer
D. Full duplex and 100MB speed
Explanation
When configuring link port aggregation between a Gigabit Ethernet distribution switch and a Fast Ethernet access switch, the best choice for speed and duplex settings on all participating interfaces is full duplex and 100MB speed. This ensures compatibility and optimal performance across the aggregated links.
Full duplex allows simultaneous bidirectional communication, doubling the potential throughput compared to half duplex. Fast Ethernet’s maximum speed is 100Mbps, so setting the Gigabit Ethernet ports to 100Mbps enables successful aggregation. Mismatched speeds would prevent the links from aggregating properly.
Therefore, configuring all interfaces to full duplex and 100MB speed maximizes throughput while maintaining compatibility between the Gigabit and Fast Ethernet switches in the link aggregation setup.
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