a. All wireless hosts and the access point that serves them transmit on the same channel. What problem does this cause?

18a.) There is an access point that serves eight wireless hosts. On how many channels will these devices transmit and receive during the course of an hour or two?

a. 1

b. 2

c. 8

d. 9

b. How does media access control (MAC ) address this problem?

18b.) ________ is a technique for preventing two wireless stations from transmitting at the same time and therefore interfering with each other.

a. Creating extended service sets

b. Roaming

c. The distribution system

d. Media access control

c. Does media access control apply to wireless hosts, access points, or both?

18c.) Media access control governs transmission by ________ .

a. Access points

b. Wireless hosts

c. Both A and B

d. Neither A nor B

d. Can a wireless access point and one of the wireless clients in its B S S  transmit simultaneously?

18d.) Within a BSS  (and without MU –MIMO), the access point and a wireless host it serves can transmit at the same time.

a. True

b. False