2.7. Exam Essentials
Be able to specify the main features—including speed, access method, topology, and media—of various network technologies, such as 802 standards and FDDI. You should be able to differentiate between the various networking technologies when studying for the exam. Refer to Table 2.3 for help.
Be able to identify a MAC address. A MAC address on a network is a 12-digit hexadecimal number in the format xx:xx:xx:xx:xx:xx, where x is a number from 0 to 9 or a letter from A to F.
Be able to identify the seven layers of the OSI model and describe their functions. The seven layers of the OSI model (from the bottom to top—or layer 1 to layer 7) are the Physical layer, Data Link layer, Network layer, Transport layer, Session layer, Presentation ...
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