Nokia IS-IS Routing Protocol - 4A0-112 FREE EXAM DUMPS QUESTIONS & ANSWERS

A. To exchange signaling messages with other routers. B. To utilize the forwarding tables to forward data packets towards their destination. C. To establish routing paths to deliver packets from source to destination and to reestablish them in case of failure. D. To determine the best way to forward packets.

A. Both detect duplicate IP address assignments. B. Both resolve a host device's MAC address using its IP address. C. Both detect duplicate MAC address assignments. D. Both resolve a host device's IP address using its MAC address.

A. Layer-3 interfaces that will participate in IS-IS need to be identified. B. The router needs to be associated with an IS-IS area ID. C. The IS-IS context needs to be enabled. D. A reference bandwidth needs to be configured to calculate link costs.

A. It is the process of passing routing information from one routing domain to another, which usually means from one routing protocol to another. B. It is the process of controlling which route advertisements received from routing peers are accepted and/or deciding which locally known prefixes are advertised to routing peers. C. It is the process of deciding at line-rate speed which packets will be dropped and which ones will be forwarded. D. It is the process of redirecting packets to be processed by an intermediate network function before allowing them to be forwarded to their intended final destination.

A. All links are assumed to be IPv4- and IPv6-capable. B. In a multi-area environment, the SPF algorithm needs to be run four times on each L1/L2 router. C. The same topology information is used to calculate the shortest path tree for both IPv4 and IPv6. D. It may lead to traffic black-holing if not properly designed.