Day 21: Networking Fundamentals
A+ 220-701 Exam Objective
Objective 4.1: Summarize the basics of networking fundamentals, including technologies, devices and protocols
Key Points
Networking can be a surprisingly difficult part of the A+ exam, and many future techies get discouraged or unwisely dismiss it as unimportant. Question: When was the last time you saw a completely standalone, non-networked PC? Today, even calculators and kitchen appliances communicate on a network. By enabling automatic updates, your computer, your refrigerator, or your car run a self-diagnosis, find a problem, “call” home for advice on how to fix it, download a fix (an update), install it, and run just fine without you (or the customer) even knowing a problem existed. ...
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