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which three HSRP states do routers send hello messages?

In which three HSRP states do routers send hello messages? (Choose three.)

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A.
Learn

B.
Speak

C.
Standby

D.
Listen

E.
Active

F.
Remove

Explanation:

The various HSRP states are described below:
Listen: The router knows the virtual IP address, but is neither the active router nor the standby router. It listens for hello messages from those routers. Speak: The router sends periodic hello messages, and is actively participating in the election of the active and/or standby router. A router cannot enter speak state unless it has the virtual IP address.
Standby: The router is a candidate to become the next active router, and sends periodic hello messages. Excluding transient conditions, there would be at most one router in the group in standby state.
Active: The router is currently forwarding packets that are sent to the group’s virtual MAC address. The router sends periodic hello messages. Excluding transient conditions, there must be at most one router in active state in the group. Initial: This is the starting state, and indicates that HSRP is not running. This state is entered via a configuration change, or when an interface first comes up. Learn: The router has not determined the virtual IP address, and has not yet seen an authenticated hello message from the active router. In this state, the router is still waiting to hear from the active router.


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