Cisco ENCOR Practice Exam 2025 – All-in-One Comprehensive Guide to Mastering Enterprise Network Core Technologies!

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What is the multicast group address used by HSRP version 1?

224.0.0.1

224.0.0.2

The multicast group address utilized by HSRP (Hot Standby Router Protocol) version 1 is 224.0.0.2. This address is significant because HSRP employs this multicast address to enable communication between the active and standby routers in a group. By sending packets to this specific address, routers can efficiently share information regarding the virtual router IP address and remain synchronized, thus providing redundancy and high availability for network traffic.

In the context of HSRP, using a well-defined multicast address helps ensure that only routers configured for HSRP participate in the communication, preventing unnecessary traffic on the network. This multicast address allows for the effective coordination between the routers without requiring unicast communication, which helps in resource optimization within a broadcast domain.

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224.0.0.102

224.0.0.3

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