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A router is configured with OSPF (default parameters) as a routing protocol for traffic destined to the 10.1.1.0 network. In addition, the command "ip route 10.1.1.0 255.255.255.0 172.16.20.1 180" is applied. What can be concluded about this configuration?
the command uses a dynamic routing protocol (OSPF) to serve as a backup route when the static route fails
the command creates a static route that serves as a backup route when the primary routing protocol (OSPF) fails
the syntax of the command is invalid
the command creates a default route that serves as a backup route when the dynamic routing protocol (OSPF) fails
The command ip route 10.1.1.0 255.255.255.0 172.16.20.1 180 creates a static route that serves as a backup route when the primary routing protocol (OSPF) fails. Note that if two or more routing protocols point to the same destination, the Administrative Distance will be used as tie breaker for the route selection. OSPF by default has 110 as its AD while a Static Route has 1 by default. However, the static configuration command includes a distance value of 180. Thus, making it less preferred and will only be used when OSPF fails. (Cisco CCENT/CCNA ICND1 100-101 Official Cert Guide, Academic Edition)
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