How can you view the current EtherChannel load-balancing method on a switch?

To view the current EtherChannel load-balancing method on a Cisco switch, the appropriate command is "show etherchannel load-balance." This command provides detailed information about how traffic is being distributed across the links in an EtherChannel. It displays the method used for load balancing, such as source MAC address, destination MAC address, IP addresses, or ports, which are essential for optimizing network performance by evenly distributing traffic across the available links.

Load balancing is critical in a network environment, particularly when multiple physical links are aggregated into a single logical link. Understanding the method being used allows network administrators to configure the network more efficiently and make informed decisions regarding adjustments or optimizations.

The other options do not correspond to the actual command used in Cisco IOS for retrieving the load-balancing information, thus making them unsuitable for the intended purpose.