Course Status:	Released	Courseware Features
Course Language:	English
Course Duration:	4 Hours
Deployment Options:	Online, Interactive CDs, Network, Downloads, Intranet

Audience

Information technology professionals pursuing a career in communications and networking, and anyone preparing for the Avaya Certified Associate - Communication Networking certification

Prerequisites

A broad understanding of computer hardware and networking principles

Course Aim

To provide an overview of the Open Systems Interconnection (OSI) model, how devices operate at the relevant layers, physical layer cabling implementations for LANs and WANs and to introduce switches and switching operation

Learning Objectives

Describe the functions and advantages of the OSI model. Describe the encapsulation and de-encapsulation process as data traffic is exchanged between source and destination devices. Describe physical layer functionality and how hubs are used in an Ethernet environment. Describe data-link layer functionality and how switches and bridges are used in an Ethernet environment. Describe network layer functionality and how routers function at this layer. Describe transport layer functionality. Discuss the LAN specifications for Ethernet and fast Ethernet. Compare Ethernet media requirements and connectors and differentiate between straight-through and crossover RJ-45 cables. Describe layer-2 operations. Describe how loops affect bridging and how they are avoided. Identify the differences between switching and bridging.

Topics Covered

The OSI Model - Overview of the OSI model - Communicating between OSI layers Data-flow Layers - The physical layer - The data-link layer - The network layer - The transport layer - Defining network components LAN and WAN Implementations - LAN physical layer implementations - WAN physical layer implementations Layer-2 Operations - Catalyst switch functions - Bridge loops - Spanning tree - Switching and bridging

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