While troubleshooting a new wireless 802.11 ac network an administrator discovers that several of
the older systems cannot connect. Upon investigation the administrator discovers that the older
devices only support 802.11 and RC4. The administrator does not want to affect the performance
of the newer 802.11 ac devices on the network. Which of the following should the administrator do
to accommodate all devices and provide the MOST security?
A.
Disable channel bonding to allow the legacy devices and configure WEP fallback
B.
Configure the AP in protected mode to utilize WPA2 with CCMP
C.
Create a second SSID on the AP which utilizes WPA and TKIP
D.
Configure the AP to utilize the 5Gh band only and enable WEP
Answer A and D are obviously wrong.
WPA uses the RC4 encryption algorithm with TKIP, whereas WPA2 implements the full standard and is NOT compatible with older devices.
I would choose C, create a second SSID on the AP which utilizes WPA and TKIP.
For example: The 5Ghz channel is for the new devices which support WPA2 with CCMP.
The 2.4Ghz is for the old devices which support WPA and TKIP.
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I agree, C.
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I chose C as well.
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I believe it is B as it is running is Safe Mode.
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