200-150 · Question #140
When using HSRP or VRRP, what are the two states of the router interfaces that are ready to take over forwarding for the link, if necessary? (Choose two.)
The correct answer is A. backup C. standby. This question tests knowledge of the specific router states in HSRP and VRRP that indicate a non-active router is prepared to assume the forwarding role.
Question
When using HSRP or VRRP, what are the two states of the router interfaces that are ready to take over forwarding for the link, if necessary? (Choose two.)
Options
- Abackup
- Bfloating
- Cstandby
- Dmaster
- Eidle
How the community answered
(20 responses)- A90% (18)
- B5% (1)
- E5% (1)
Why each option
This question tests knowledge of the specific router states in HSRP and VRRP that indicate a non-active router is prepared to assume the forwarding role.
In VRRP, the 'backup' state identifies a router that is actively monitoring the master router's availability and is ready to transition to master and begin forwarding traffic if the master fails.
'Floating' is not a defined state in either the HSRP or VRRP protocol specifications.
In HSRP, the 'standby' state identifies the router that is next in line to become active, continuously monitoring hello packets from the active router and prepared to immediately assume the active forwarding role upon failure.
'Master' is the VRRP designation for the router currently forwarding traffic as the active gateway, not a router waiting to take over.
'Idle' is not a recognized operational state in HSRP or VRRP that describes readiness to forward traffic.
Concept tested: HSRP standby and VRRP backup router interface states
Source: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipapp_fhrp/configuration/xe-16/fhp-xe-16-book/fhp-hsrp.html
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