Which cisco Express Forwarding component maintains Layer 2 addressing information?
A. dCEF
B. adjacency table.
C. FIB
D. fast switching
E. RIB
Answer: B
Explanation:
Adjacency TablesNodes in the network are said to be adjacent if they can
reach each other with a single hop across a link layer. In addition to the FIB, CEF uses
adjacency tables to prepend Layer 2 addressing information. The adjacency table maintains Layer 2 next-hop addresses for all FIB entries.
http://www.cisco.com/c/en/us/td/docs/ios/12_2/switch/configuration/guide/fswtch_c/xcfcef.ht
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