CIS 513 Week 11 Final Exam – Strayer New
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Chapters 5 Through 8
Chapter
5 - Wireless Personal Area Networks
TRUE/FALSE
1. WPAN technologies are designed to connect
devices that are typically up to 10 meters apart.
2. One of the advantages of WPAN technologies is
their conservative use of battery power.
3. The first step in the Bluetooth pairing
process is the paging procedure.
4. A reduced-function device can only connect to
one full-function device on the network.
5. Bluetooth uses a challenge-response strategy
for device authentication.
MULTIPLE
CHOICE
1. Which of the following is NOT a likely
application for WPAN technologies?
|
a.
|
home
control systems
|
c.
|
industrial
control systems
|
|
b.
|
video
streaming
|
d.
|
security
systems
|
2. Which of the following is true about WPAN
standards?
|
a.
|
IEEE
developed standards for protocols above layer 2
|
c.
|
IEEE
802.15.1 is the Bluetooth standard
|
|
b.
|
industry
alliances developed specifications for layers 1 and 2
|
d.
|
802.16n
is the ZigBee standard
|
3. Which of the following is true about the OSI
model and IEEE 802?
|
a.
|
the
PMD is part of the Data Link layer
|
c.
|
the
LLC is part of the Physical layer
|
|
b.
|
the
PLCP formats data received from the MAC
|
d.
|
the
MAC layer is responsible for establishing connectivity to the local network
|
4. Which radio frequency band does Bluetooth
use?
|
a.
|
2.4
GHz ISM
|
c.
|
2.0
GHz ISM
|
|
b.
|
5.0
GHz ISM
|
d.
|
4.2
GHz ISM
|
5. Which of the following is true about the
Bluetooth protocol stack?
|
a.
|
the
L2CAP sits between Baseband and RF
|
c.
|
Link
Manager communicates directly with the Physical Radio
|
|
b.
|
the
Baseband layer sits atop the RF layer
|
d.
|
The
RF layer communicates between the Link Manager and L2CAP
|
6. What feature available in some Bluetooth
devices increases data rates to 2.1 or 3 Mbps?
|
a.
|
Link
Manager
|
c.
|
L2CAP
|
|
b.
|
radio
module
|
d.
|
EDR
|
7. Which Bluetooth power class allows
transmission ranges up to 330 feet?
|
a.
|
Power
Class 1
|
c.
|
Power
Class 3
|
|
b.
|
Power
Class 2
|
d.
|
Power
Class 4
|
8. Bluetooth 1.x uses a variation of which
modulation technique?
|
a.
|
PSK
|
c.
|
FSK
|
|
b.
|
ASK
|
d.
|
GSK
|
9. What feature of Bluetooth version 3.0 uses a
separate radio module that transmits using the same methods as IEEE 802.11?
|
a.
|
BLE
|
c.
|
AMP
|
|
b.
|
ULP
|
d.
|
NFC
|
10. Which transmission technique is used by
Bluetooth devices?
|
a.
|
Narrowband
|
c.
|
DHSS
|
|
b.
|
FHSS
|
d.
|
UWB
|
11. Which feature of Bluetooth version 1.2 allows
Bluetooth networks to coexist with 802.11 networks with a minimum of
interference?
|
a.
|
adaptive
frequency hopping
|
c.
|
alternate
MAC/PHY
|
|
b.
|
frequency
hopping spread spectrum
|
d.
|
Bluetooth
low energy
|
12. What is created when a Bluetooth network has
one master and at least one slave using the same channel?
|
a.
|
scatternet
|
c.
|
piconet
|
|
b.
|
wi-fi
net
|
d.
|
bluenet
|
13. How is the master device determined in a
Bluetooth network?
|
a.
|
the
device with the lowest address number
|
c.
|
the
first device to send out an inquiry message to discover other devices
|
|
b.
|
the
device with the highest priority hop sequence on the piconet
|
d.
|
the
device that carries out a paging procedure and establishes a connection
|
14. Which of the following is NOT a field in a
Bluetooth frame?
|
a.
|
Access
code
|
c.
|
Header
|
|
b.
|
Frame
check sequence
|
d.
|
Payload
|
15. Which of the following is NOT a Bluetooth
error correction scheme?
|
a.
|
1/3
rate FEC
|
c.
|
ARQ
|
|
b.
|
2/3
rate FEC
|
d.
|
CRC
|
16. In which Bluetooth power mode is only the
slave device’s internal timer running?
|
a.
|
active
mode
|
c.
|
hold
mode
|
|
b.
|
sniff
mode
|
d.
|
park
mode
|
17. Which of the following is true about the
ZigBee standard?
|
a.
|
designed
to support mesh networking
|
c.
|
used
for larger data transfers than Bluetooth
|
|
b.
|
replaced
an existing global, open standard
|
d.
|
operates
in the 5.0 and 6.5 GHz ISM bands
|
18. Which layer in a ZigBee device is responsible
for detecting the presence of an RF signal in the currently selected channel?
|
a.
|
LLC
|
c.
|
MAC
|
|
b.
|
PHY
|
d.
|
Upper
|
19. Which task is the MAC layer responsible for
in an 802.15.4 device?
|
a.
|
turning
the radio transceiver on and off
|
c.
|
association
and disassociation
|
|
b.
|
analyzing
link quality
|
d.
|
selecting
a frequency channel for operation
|
20. Which type of ZigBee device controls the
network in a star topology?
|
a.
|
all
end-node devices
|
c.
|
full-function
device
|
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