What is the result of the duplex capabilities when connecting two switches?

The correct answer indicates that full-duplex communication is always established automatically when connecting two switches that are capable of supporting this feature. In a full-duplex communication scenario, both devices can send and receive data simultaneously, effectively doubling the potential bandwidth compared to half-duplex communication, where only one device can send or receive at any given time.

Modern networking equipment, including switches, typically uses mechanisms such as auto-negotiation to determine the best appropriate state for communication between devices. When two switches connect, they can automatically detect their capabilities, and if both support full-duplex, they will negotiate to use that mode without requiring manual configuration.

This capability is important as it improves the efficiency of network communications and allows for higher performance in data transfer. Full-duplex is generally preferred in switched networks, leading to less collision and better overall throughput.