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Sams Teach Yourself Network Troubleshooting in 24 Hours, Second Edition by Jonathan Feldman

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Troubleshooting Out on the Internet

With all the fancy terms surrounding the Internet, it can be easy to lose sight of the fact that it’s just one big TCP/IP network. Let’s look at some specific TCP/IP troubleshooting techniques that can pinpoint Internet problems in your shop.

To start with, we’ll need to identify what kind of Internet connection your shop has. Once you know what type of Internet connection you have, you’ll be better able to identify which of the following techniques are right for you.

Unless you work for a huge multinational company with fault-tolerant Internet connections all over the place, you probably have just one firewall and one domain name (company.com).

Types of ISP Connections and Firewalls

More than likely, you ...

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