NETWORK LAYER
UNICAST ROUTING
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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When it is configured, it creates a gateway of last resort.
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It is simply a static route with 0.0.0.0/0 as the destination IPv4 address.
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It is a backup route configured with a higher administrative distance than the original destination route.
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It is used to provide load balancing between static routes.
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Detailed explanation-1: -Explanation: Floating static routes are static routes used to provide a backup path to a primary static or dynamic route, in the event of a link failure. They must be configured with a higher administrative distance than the original dynamic routing protocol has.
Detailed explanation-2: -What is a characteristic of a static route that creates a gateway of last resort? It backs up a route already discovered by a dynamic routing protocol. It uses a single network address to send multiple static routes to one destination address.
Detailed explanation-3: -Floating static routes are used in scenarios wherein the static route is configured with a higher Administrative Distance than the preferred route so that the best path is chosen for the packet to traverse towards its destination.
Detailed explanation-4: -A floating static route, with an administrative distance of 91 or higher, could be configured to serve as a backup route. If the private WAN link fails and the EIGRP route disappears from the routing table, the router selects the floating static route as the best path to reach the HQ LAN.