3.2. Understanding the Different Network Infrastructure Devices

Connecting all these components requires physical devices. Large multinational corporations, as well as small and medium-sized corporations, are building networks of enormous complexity and sophistication. These networks work by utilizing miles of both wiring and wireless technologies. If the network is totally wire and fiber based or totally wireless, the method of transmitting data from one place to another opens vulnerabilities and opportunities for exploitation. Vulnerabilities appear whenever an opportunity exists to intercept information from the media.

The devices briefly described here are the components you'll typically encounter in a network.

Many network devices contain ...

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