A+ Certification: Modems

Synopsis
A+ Certification: Modems explains how to install, maintain, and troubleshoot internal and external modems on both Windows 3.x and Windows 95 systems.

Audience
This course is for anyone preparing for the A+ Certification Core Exam and the DOS/Windows module.

Time
6 hours

Product Code: APCC09

After completing A+ Certification: Modems, the user should be able to:

Describe modem components and operation

Identify the Xymodem, Ymodem, and Zmodem communication protocols and their parameters

Describe serial interfaces and the development of the UART

Use basic AT commands to operate modems

Troubleshoot modem software and hardware problems, including COM port and IRQ conflicts

Introduction to Modems

Modem components

Understanding how modems work

Communication Protocols

Understanding protocols

Control code-oriented protocols

Protocol parameters

The Serial Interface

The UART

COM port settings

Communicating with the Modem

Using communication software

The AT command set

Troubleshooting Modems

Identifying COM port conflicts

Performing modem software checks

Performing modem hardware checks

This course is distributed with a glossary of computer maintenance, repair, and software terms