Chapter
1
Internetworking
THE CCNA EXAM TOPICS COVERED IN THIS
CHAPTER INCLUDE THE FOLLOWING:
OSI Reference Model & Layered Communications
Describe data link and network addresses and identify key
differences between them.
Define and describe the function of the MAC address.
List the key internetworking functions for the OSI Network
layer.
Identify at least three reasons why the industry uses a
layered model.
Define and explain the five conversion steps of data
encapsulation.
Describe connection-oriented network service and
connectionless network service, and identify their key
differences.
Identify the parts in specific protocol address
examples.
Describe the advantages of LAN segmentation.
Describe LAN segmentation using bridges.
Describe LAN segmentation using routers.
Describe LAN segmentation using switches.
Describe the benefits of network segmentation with
bridges.
Describe the benefits of network segmentation with
routers.
Describe the benefits of network segmentation with
switches.
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