Computer Networking · Beginner level

Beginner level · Module 2: Wi-Fi Setup and Coverage · Lesson 3 of 3

Wi-Fi Security Settings

Protect the wireless network from outsiders.

In this lesson you will

  • Choose secure Wi-Fi settings
  • Separate guest access

Key concepts

WPA3 and WPA2-AESpassphrasesWPSguest network

The lesson

Use WPA3, or WPA2 with AES where devices do not support WPA3. Never use WEP or open networks for staff.

Use a long passphrase and change it when staff leave. Turn off WPS, which can be abused.

Give visitors a separate guest network that cannot reach office computers and printers.

Step by step

  1. Set the security mode.
  2. Set a strong passphrase.
  3. Disable WPS.
  4. Create a guest network.

Practice activity

Secure the lab Wi-Fi and add a guest network.

Expected result: Secure staff Wi-Fi and an isolated guest network.

Check your understanding

  1. Which security mode should you prefer?

    Show answer

    WPA3, or WPA2-AES if needed.

  2. Why use a guest network?

    Show answer

    So visitors cannot reach office devices.

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