CCNA: Cisco Certified Network Associate — Question 104

Using direct sequence spread spectrum, which three 2.4-GHz channels are used to limit collisions?

Answer options

• A. 5, 6, 7
• B. 1, 2, 3
• C. 1, 6, 11
• D. 1, 5, 10

Correct answer: C

Explanation

The correct answer is C, as channels 1, 6, and 11 are the only non-overlapping channels in the 2.4-GHz band, allowing multiple networks to operate simultaneously without interference. Options A, B, and D include channels that overlap, leading to potential collisions and reduced performance.