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31 Days Before Your CCENT Certification by Scott Bennett

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Day 6: Wireless Security

Remember the following key points about securing a wireless network:

• It is important to change the default settings such as the SSID and the login to unique settings for your WLAN.

• You can filter network access by MAC address, but users can clone an authorized MAC address to access the network.

• A WEP key has up to 256 bits; however, WPA provides more secure encryption, because it rotates keys. With WPA, both client and AP have the key. WPA2 is an improved version of WPA that uses advanced encryption standard (AES) technology. 802.1x can also provide AP security through user authentication.

Consider the following points when troubleshooting a WLAN:

Standards: The client or AP may be using incompatible standards. ...

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