a. Do WLANs  today use licensed or unlicensed service bands?

11a1.) WLANs  normally use __________.

a. Licensed bands

b. Unlicensed bands

c. Both A and B

d. neither A or B

11a2.) Many 802.11 standards work in the 5 GHz__________.

a. Licensed spectrum

b. Unlicensed spectrum

c. Licensed service band

d. Unlicensed service band

b. What is the advantage of using unlicensed service bands?

11b1.) Wi-Fi standards use unlicensed bands for __________ 

a. Greater speed

b. Greater standardization

c. Greater flexibility

d. Greater privacy

11b2.) In unlicensed bands, __________ .

a. You can use radios wherever you please

b. You can prevent nearby businesses from setting up access points in the same channel

c. Both A and B

d. Neither A nor B

c. What is the downside?

11c.) The downside of unlicensed bands is potential __________ 

a. Speed loss

b. Loss of flexibility

c. Interference from others

d. Less-developed standards