which diagram is almost must in the lab exam

hi ,

Some vendors book says it is a must to have redistibution diagram and
layer 2 diagram and bgp diagram so on so forth.
really which diagrams is must?
I think layer 2 is must.What do you think redistirbution?

do you think we will lose lots of time by having this diagrams?

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Received on Fri Jun 25 2010 - 00:28:06 ART