What are two requirements for an HSRP group? (Choose two.)
A. exactly one active router
B. one or more standby routers
C. one or more backup virtual routers
D. exactly one standby active router
E. exactly one backup virtual router
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its tricky, but the answer is A and B. It’s obvious for the A answer, but if you answer D its wrong because of the STANDBY ACTIVE ROUTER, which is confusing, is should be STANDBY ROUTER only.
Exactly .. How could be a router ACTIVE and STANDBY at a same time called ” Standby Active ” ? :3
A&B and A&D both of them are incorrect
A&B and A&D both of them are incorrect
Sorry A&D is the correct one
From this paragraph:
“A set of routers that run HSRP works in concert to present the illusion of a single default gateway router to the hosts on the LAN. This set of routers is known as an HSRP group or standby group. A single router that is elected from the group is responsible for the forwarding of the packets that hosts send to the virtual router. This router is known as the active router. Another router is elected as the standby router. If the active router fails, the standby assumes the packet forwarding duties. Although an arbitrary number of routers may run HSRP, only the active router forwards the packets that are sent to the virtual router IP address.
In order to minimize network traffic, only the active and the standby routers send periodic HSRP messages after the protocol has completed the election process. Additional routers in the HSRP group remain in the Listen state. If the active router fails, the standby router takes over as the active router. If the standby router fails or becomes the active router, another router is elected as the standby router.”
Reference: https://www.cisco.com/c/en/us/support/docs/ip/hot-standby-router-protocol-hsrp/10583-62.html#anc6
-> There is exactly one active router and one standby router in an HSRP group. Answer A is surely a correct but other answers are not correct. Answers C, D and E are wrong terminologies so they are surely not correct. Therefore answer B is a best choice left (although it is not totally correct).
No its not right , the right answer is A and D
please check this out
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)))
Standby
The router is a candidate to become the next active router and
sends periodic Hello messages. Excluding transient conditions,
there((( (MUST be at most one router in the group in Standby state.))))
https://www.cisco.com/c/en/us/support/docs/ip/hot-standby-router-protocol-hsrp/9234-hsrpguidetoc.html
https://www.frameip.com/rfc-2281-cisco-hot-standby-router-protocol-hsrp/
A & B
Refer to the HSRP Operation section in the URL below:
https://www.cisco.com/c/en/us/support/docs/ip/hot-standby-router-protocol-hsrp/9234-hsrpguidetoc.html