Cisco Certified Network Associate (CCNA) Practice Exam

Which command can be used to check the status of an EtherChannel?

1. show etherchannel summary

2. show etherchannel details

3. show etherchannel status

4. show interfaces status

The correct answer is: show etherchannel summary

The command to check the status of an EtherChannel is indeed "show etherchannel summary." This command provides a concise overview of the EtherChannel configuration on a switch, including details about the ports that are bundled, their operational status, and the channel group's protocol (such as LACP or PAgP). It effectively summarizes the connection, allowing network engineers to quickly understand whether the EtherChannel is functioning correctly and which interfaces are active. The other commands listed may not provide the necessary insight about EtherChannel status. For example, "show etherchannel details" is not a standard command in Cisco IOS. While "show interfaces status" displays the status of individual interfaces on the switch, it does not specifically focus on grouped interfaces forming an EtherChannel, which makes it less useful for this specific purpose. Therefore, "show etherchannel summary" is the command that best serves the need to check EtherChannel status.