Chapter 11
1. B and C. Cisco Express Forwarding (CEF) maintains its information in two tables, the Adjacency Table (which contains information about Layer 2 adjacencies) and the Forwarding Information Base (FIB) (which contains Layer 3 information). The Routing Information Base (RIB) is a data structure used by a routing protocol such as OSPF. The ARP Cache contains IP address to MAC address mappings. Although information from the ARP Cache is used to help populate the Adjacency Table, the ARP Cache itself is not a CEF table.
2. D. To globally enable CEF on a router, use the ip cef command in global configuration mode. The ip flow egress interface configuration mode command is used to enable outbound NetFlow. The ip route-cache cef interface ...
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