Which two statements about RIPv2 are true? (Choose two.)
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A. B. C. D. E.AC
B. It uses multicast address 224.0.0.9 to share routing information between peers: RIPv2 uses multicast address 224.0.0.9 to share routing information between its peers. This multicast address is specifically reserved for RIPv2 updates.
C. Its default administrative distance is 120: Administrative distance (AD) is a value that represents the trustworthiness of a routing protocol. RIPv2 has an AD of 120 by default, which is relatively high. This means that if a router receives updates about a particular destination from multiple routing protocols, it will prefer the route advertised by the routing protocol with the lowest AD.
Therefore, options B and C are correct.
A. It must be manually enabled after RIP is configured as the routing protocol: This statement is not true because RIPv2 is a part of the RIP protocol family and is enabled by default when RIP is configured.
D. It is a link-state routing protocol: This statement is not true because RIPv2 is a distance vector routing protocol, which means that routers periodically advertise their routing tables to their neighboring routers. These updates contain information about the entire network topology, not just the router's immediate neighbors.
E. It is an EGP routing protocol: This statement is not true because RIPv2 is an Interior Gateway Protocol (IGP) and not an Exterior Gateway Protocol (EGP). IGPs are used to exchange routing information within an autonomous system (AS), while EGPs are used to exchange routing information between different ASes.