Cisco Certified Network Associate (200-301 CCNA) – Question112

Which set of 2 4 GHz nonoverlapping wireless channels is standard in the United States?

A. channels 1, 6, 11, and 14
B. channels 2, 7, 9, and 11
C. channels 2, 7, and 11
D. channels 1, 6, and 11

Correct Answer: D