An administrator needs to implement a 2.4GHz WLAN that requires multiple APs. Which two are characteristics of the 2.4GHz channels? (Choose two.)

Question:
An administrator needs to implement a 2.4GHz WLAN that requires multiple APs. Which two are characteristics of the 2.4GHz channels? (Choose two.)

• They can provide faster data transmission for wireless clients in heavily populated wireless networks than 5GHz channels.
• Each channel is separated from the next channel by 20 MHz.
• There are 11 channels for North America identified by the 802.11b standard.
• If three adjacent APs are required, the non-overlapping channels 1, 21, and 41 are recommended.
• Each channel is allotted 22 MHz bandwidth.

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