The core layer is a high-speed switching backbone and should be designed to
switch packets as fast as possible. This layer of the network should not
perform any packet manipulation, such as access lists and filtering, that
would slow down the switching of packets.
The distribution layer of the ne
The best way to understand the 3 layer model is to memorize ( as much as you
can ) what takes place at each layer, especially the important aspects..
such as high speed switching is done at the core layer, access lists and
filtering should be done at the access layer, etc... Cisco Press CCDA
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