Which of the following channels, when used in close proximity to one another, provide the BEST prote

Which of the following channels, when used in close proximity to one another, provide the
BEST protection against crosstalk?

A.
1 and 11

B.
2 and 10

C.
6 and 1

D.
6 and 11

Explanation:

http://www.dci.ca/?Section=Products&SubSection=WiFi-FAQ