Summary

2 IT Essentials: PC Harware and Software Companion GuideTo meet the expectations and needs of your customers and network users, you must befamiliar with networking technologies. You must understand the basics of how a network isdesigned and why some components affect the flow of data on a network.This chapter focuses on advanced networking topics, including network design, networkcomponent upgrades, and e-mail server installations. Basic networking topics such as safety,network components, and preventive maintenance are also discussed. This chapter alsodescribes troubleshooting advanced network situations.Identify Potential Safety Hazards andImplement Proper Safety Procedures Relatedto NetworksInstalling network cables, whether copper or fiber-optic, can be dangerous. Often, cablesmust be pulled through ceilings and walls where there are obstacles and unexpected or toxicmaterials. You should wear clothing that protects you from these materials. For example,wear long pants, a long-sleeved shirt, sturdy shoes that cover your feet, and gloves. Mostimportantly, wear safety glasses. If possible, ask building management, or someone responsiblefor the building, if there are any dangerous materials or obstacles that you need to beaware of before entering the ceiling area.Be aware of these safety issues when using a ladder:■■■■■Read the labels on the ladder, and follow any safety instructions written on it.Never stand on the top rung of the ladder. You could easily lose your balance and fall.Make sure that people in the area know you will be working there.Cordon off the area with caution tape or safety cones.When you are using a ladder that leans up against a wall, follow the instructions writtenon the ladder, and have someone hold the ladder to help keep it steady.The tools required to install copper and fiber-optic cable may be dangerous to use. Whenworking with cables, follow these rules:■■■■Make sure that the tools you are using are in good working order.Watch what you are doing, and take your time. Make sure that you do not cut yourselfor place anyone in danger.Always wear safety glasses when cutting, stripping, or splicing cables of any kind. Tinyfragments can injure your eyes.Wear gloves whenever possible, and dispose of any waste properly.