Question 1
(TCO D) The three main types of IEEE 802.11 networks are _____.
the BUS, the Star, and the Mesh
the Hub, the Node, and the Link
Ad Hoc, Infrastructure, and Infrastructure Mesh
None of the above
Question 2
(TCO E) Which is NOT a performance problem typically associated with VoWLAN?
RJ-45 connectivity
Channel access delay
External interference
Disruption in connectivity
Question 3
(TCO E) IEEE 802.11 uses a best-effort approach for scheduling packets. What techniques have been developed to improve VoWLAN performance?
Downlink prioritization
802.11e uplink enhancement
EDCA
All of the above
Question 4
(TCO F) The physical layer of 802.11 protocols uses _____.
spread spectrum
OFDM
MIMO
All of the above
Question 5
15 / 15 pts
(TCO D) Briefly describe the IEEE 802.11 medium access control (MAC).
Question 6
(TCO F) How is wireless capacity defined and what are some of the constraints governing wireless capacity?
