a. In the 2.4 GHz  and 5 GHz  service bands, what type of transmission method is required by regulators?

14a.) Spread spectrum transmission is used in WLANs because _______.

a. It is required by regulators

b. It offers strong security

c. Both A and B

d. Neither A nor B

b. What is the benefit of spread spectrum transmission for business communication?

14b.) Spread spectrum transmission is used in WLANs  for _______.

a. Higher transmission speed

b. More reliable transmission

c. Greater security

d. More efficient transmission

c. Is spread spectrum transmission done for security reasons in commercial WLANs?

d. Does spread spectrum transmission increase transmission speed thanks to its wider channels?

14d.) Spread spectrum transmission’s wider channels bring _______.

a. Greater speed

b. Greater reliability

c. Greater security

d. None of the above