Which of the following solutions enables combining several physical ports into a single logical channel?
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Answer Description
Link Aggregation Control Protocol (LACP) will combine multiple physical ports into one logical one. This is used to provide redundancy and minimize downtime.
Wikipedia
In computer networking, link aggregation is the combining (aggregating) of multiple network connections in parallel by any of several methods. Link aggregation increases total throughput beyond what a single connection could sustain, and provides redundancy where all but one of the physical links may fail without losing connectivity. A link aggregation group (LAG) is the combined collection of physical ports.
Other umbrella terms used to describe the concept include trunking, bundling, bonding, channeling or teaming.
Implementation may follow vendor-independent standards such as Link Aggregation Control Protocol (LACP) for Ethernet, defined in IEEE 802.1AX or the previous IEEE 802.3ad, but also proprietary protocols.
Link_aggregation - Wikipedia, the free encyclopedia 