Question: Which frequency bands are commonly used by Wi-Fi networks?

Options:

1. 2.4 GHz and 5 GHz
2. 1.2 GHz and 3.6 GHz
3. 900 MHz and 1.8 GHz
4. 5 GHz and 10 GHz

Correct Answer: 2.4 GHz and 5 GHz

Solution:

Wi-Fi networks commonly operate on the 2.4 GHz and 5 GHz frequency bands, providing different ranges and speeds.