The following First Hop Redundancy Protocol is a non-proprietary, open-source, and widely used protocol.

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Multiple Choice

The following First Hop Redundancy Protocol is a non-proprietary, open-source, and widely used protocol.

The concept being tested is identifying an open, non-proprietary first hop redundancy protocol that is widely adopted. VRRP, the Virtual Router Redundancy Protocol, fits this best because it is an IETF standard (RFC 5798) that is implemented by many different vendors, making it interoperable across gear from different manufacturers. This broad support is what makes it widely used in diverse networks. In practice, VRRP designates one router as the master to handle traffic for the virtual gateway IP, while other routers act as backups and monitor health, ready to take over if the master fails. Because it’s an open standard, network operators can mix equipment and still maintain a reliable first-hop gateway, which is exactly what “non-proprietary and widely used” implies. In contrast, HSRP and GLBP are Cisco-proprietary protocols, and FHRP is just the general family name for first-hop redundancy protocols, not a single open standard.

The concept being tested is identifying an open, non-proprietary first hop redundancy protocol that is widely adopted. VRRP, the Virtual Router Redundancy Protocol, fits this best because it is an IETF standard (RFC 5798) that is implemented by many different vendors, making it interoperable across gear from different manufacturers. This broad support is what makes it widely used in diverse networks.

In practice, VRRP designates one router as the master to handle traffic for the virtual gateway IP, while other routers act as backups and monitor health, ready to take over if the master fails. Because it’s an open standard, network operators can mix equipment and still maintain a reliable first-hop gateway, which is exactly what “non-proprietary and widely used” implies. In contrast, HSRP and GLBP are Cisco-proprietary protocols, and FHRP is just the general family name for first-hop redundancy protocols, not a single open standard.

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