EtherChannel and HSRP Quiz

What is the purpose of EtherChannel?

• Prevent IP conflicts

• Increase bandwidth between devices

• Manage VLANs

• Secure switch ports

EtherChannel combines multiple:

• Switches into one

• IP subnets into a VLAN

• Physical links into a logical interface

• Routers into one domain

Which protocol blocks redundant links in Layer 2 networks by default?

• CDP

• VTP

• STP

• RIP

What is a port-channel in EtherChannel?

• VLAN tag

• Virtual interface

• Ethernet port

• Redundant loop

Which Cisco proprietary protocol is used for EtherChannel negotiation?

• LACP

• RIP

• PAgP

• OSPF

Which standard-based protocol is used for EtherChannel?

• PAgP

• CDP

• LACP

• ARP

What is the maximum number of ports supported in an EtherChannel?

• 4

• 6

• 8

• 16

In PAgP, which mode actively negotiates channel formation?

• Auto

• Passive

• Desirable

• On

In PAgP, which mode is passive?

• Desirable

• Auto

• On

• Active

Which PAgP combination forms a channel?

• Auto - Auto

• Desirable - Desirable

• Auto - On

• On - Auto