Which feature enables a group of routers to form a single virtual router, ensuring that traffic continues to flow if the active router becomes unavailable?
HSRP (Hot Standby Router Protocol)
RIP (Routing Information Protocol)
EIGRP (Enhanced Interior Gateway Routing Protocol)
VRRP (Virtual Router Redundancy Protocol)
VRRP (Virtual Router Redundancy Protocol) is the correct answer because it enables multiple routers to work together to present the appearance of a single virtual router to the host systems. This functionality is essential for maintaining network resiliency through redundancy. HSRP, while also correct for redundancy, was not the best answer as VRRP is an open standard and thus more broadly applicable across different vendor devices. RIP (Routing Information Protocol) is a routing protocol and does not provide redundancy for the default gateway unlike VRRP.
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