A+ Question of the Week

When implemented on a wireless router, which of the following prevents casual discovery of the network?

1. Disabling SSID broadcast
2. Enabling WEP or WPA
3. Changing the router’s defaults
4. Configuring MAC filtering

The correct answer is 1.

Only disabling the advertisement of the SSID in the beacon frames results in hiding the network from discovery by everyone other than hackers, making it a fairly lightweight form of security designed to keep honest users from using the network, unless invited. The other options have nothing to do with hiding the existence of the wireless network, only with making it more difficult to access.

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