Chapter 2:
4. IEEE 802.11 specified that either radio frequency waves or____ infrared light __________could be used in a WLAN.
a. circuit packet transfer (CPT)
b. low-frequency emission signals (LFES)
c. ultraviolet light
d. infrared light
5. A(n)_ directed _transmission requires that the emitter and detector be directly aimed at one another.
a. reflected
b. diffused
c. directed
d. indirected
6. Each of the following is a data rate of IEEE 802.11b except:
54 Mbps
a. 54 Mbps.
b. 1 Mbps.
c. 5.5 Mbps.
d. 11 Mbps.
7. A mobile wireless device is official known as a__ station _____.
a. Mobile Transfer Detector (MTD)
b. port
c. module
d. station
8. What happens when a mobile wireless devices moves away from the transmitter in a WLAN?
The device decreases its data rates to the next lower acceptable data level.
a. Nothing; the maximum data rates remain the same no matter how far away the device is located.
b. The connection is dropped after the device moves away more than 10 feet (30 meters).
c. All authentications must be renegotiated every 3 feet (9 meters).
d. The device decreases its data rates to the next lower acceptable data level.
9. __ Data rate ___is the theoretical maximum rated speed of a network.
a. Data rate
b. Throughput
c. Bit/byte rate
d. Packet Calculation Level (PCL)
10. What is the maximum data speed of an IEEE 802.11a WLAN?
54 Mbps
a. 48 Mbps
b. 64 Mbps
c. 68 Mbps
d. 54 Mbps
11. An IEEE 802.11g network can transmit at the same maximum speed as__
IEEE 802.11b___
a. IEEE 802.11b
b. IEEE 802.11a
c. IEEE 802.11r
d. IEEE 802.11x
12. Each of the following is an improvement of IEEE 802.11n over previous WLAN standards except:
form factor
a. speed.
b. security.
c. coverage area.
d. form factor.
15. Which of the following would not be found on a laptop computer?
Mini-PCMCIA
a. Mini-PCMCIA
b. Mini-PCI
c. Mini-PCI-e
d. Type II slot
16. An access point consists of each of the following except:...