John wants to hide his wireless network and protect it from unauthorized access. Which of the following should be used to prevent the network from being accessed in an unauthorized manner?
  1. Use sniffer software.
  2. Change the name of your wireless network.
  3. Turn off the SSID broadcast.
  4. Have a router password.
Explanation
Answer: C - To hide a wireless network from being detected, turn off the SSID broadcast feature in the network.

Key Takeaway: The most common method of hiding a network from the outside world is by disabling the SSID broadcast feature. This way the router stops advertising the network’s existence, and users cannot know about this wireless network in their vicinity by simply scanning for SSIDs.
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