OSI Lower Layers
Overview/Description
To outline the functionality of the physical layer and data-link layer of the OSI reference model
Target Audience
Individuals new to networking concepts and terminology and individuals preparing to take the Interconnecting Cisco Network Devices (ICND) learning path
Prerequisites
Basic computer skills
Expected Duration
340 Minutes
Objectives:
OSI Lower Layers
identify the different types of networking media that are used at the physical layer of the OSI model.
identify the main groups that issue standards and specifications.
identify physical layer devices and describe their functions.
explain how data collisions happen.
explain the role of devices in data collisions.
identify the basic topologies in a network.
discuss the operational concepts of the data-link layer of the OSI model.
convert between hexadecimal, decimal, and binary numbers.
explain the function of the Media Access Control address.
describe the process of framing and explain why it is necessary.
describe the two basic types of Media Access Control (MAC).
explain how a Token Ring network functions.
explain the basic operation of a Fiber Distributed Data Interface (FDDI) network.
differentiate between Ethernet and IEEE 802.3.
outline the components and standards for wireless LANs (WLANs).
identify the operations of layer 2 devices and explain how they operate.
make distinctions between data-link layer devices and how they affect a LAN.
Course Number: 64163_eng