Deck 13: Wireless Communication Technologies and Standards

Question 1

Responsibilities of the data link layer are __

A)multiplexing of data streams
B)data frame detection
C)medium access (mac) & error control.
D)all of above

Answer 1

all of above

Question 2

What is the method of access in bluetooth?

A)cdma
B)fdma
C)tdd-tdma
D)cd

Answer 2

tdd-tdma

Question 3

The _____ layer is roughly equivalent to the MAC sub layer in bluetooth.

A)l2cap
B)radio
C)baseband
D)none of the above

Answer 3

baseband

Question 4

Bluetooth have ____ frequency.

A)2.4 mhz
B)2.4 ghz
C)5.0 ghz
D)5.0 mhz

Question 5

WiMAX provides you?

A)full duplex communication
B)half duplex communication
C)simplex communication
D)duplex communication

Question 6

This is the family of specifications for wireless local area networks (WLANs) developed by a working group of the Institute of Electrical and Electronics Engineers (iEEE).

A)3g
B)802.11
C)802.3
D)802.5

Question 7

Which of the following refers to a communications specification that was approved in early 2002 by the Institute of Electrical and Electronics Engineers Standards Association (iEEE-SA) for wireless personal area networks (WPANs)?

A)802.11a
B)802.15
C)802.11b
D)none of the above

Question 8

This is an industry specification that describes how mobile phones, computers, and PDAs can easily interconnect with each other using a short-range wireless connection.

A)bluetooth
B)emi
C)d-amps
D)irda

Question 9

This is a specification for a set of communication protocols to standardize the way that wireless devices can be used for Internet access.

A)wap
B)wax
C)vsat
D)tetra

Question 10

Piconets in bluetooth have a minimum of two and a maximum of ____________ Bluetooth peer devices.

A)five
B)nine
C)eight
D)twelve

Question 11

In iEEE 802.11, a ___ is made of stationary or mobile wireless stations and an optional central base station, known as the access point (AP).

A)ess
B)bss
C)css
D)none of the above

Question 12

Bluetooth is a _______ technology that connects devices (called gadgets) in a small area.

A)wired lan
B)wireless lan
C)vlan
D)none of the above

Question 13

In Bluetooth, multiple ________ form a network called a _________.

A)scatternet; piconets
B)piconets: scatternet
C)piconets: bluenet
D)bluenet; scatternet

Question 14

iEEE has defined the specifications for a wireless LAN called _______, which covers the physical and data link layers.

A)iEEE 802.3
B)iEEE 802.5
C)iEEE 802.11
D)iEEE 802.2

Question 15

A Bluetooth network consists of _____ primary device(s) and up to ____ secondary devices.

A)one; five
B)five; three
C)two; six
D)one; seven

Question 16

In Bluetooth, the _______ layer is roughly equivalent to the Physical layer of the Internet model.

A)radio
B)baseband
C)l2cap
D)none of the above

Question 17

In Bluetooth, the _________ sublayer, is roughly equivalent to the LLC sublayer in LANs.

A)radio
B)baseband
C)l2cap
D)none of the above

Question 18

iEEE 802.15.4 standard is used with

A)zigbee
B)rubee
C)wibree
D)z-wave

Question 19

iEEE 802.15.1 standard is used with

A)zigbee
B)rubee
C)wibree
D)z-wave

Question 20

iEEE 802.15 standard is used with

A)zigbee
B)wibree
C)z-wave
D)a and b both

Question 21

Frequency used for communication in Z-Wave standard is

A)2.4 ghz
B)2.4 mhz
C)860 mhz
D)none of the above

Question 22

Data range is maximum for (in terms of distance in meters)

A)zigbee
B)rubee
C)wibree
D)z-wave

Question 23

Data range is minimum for (in terms of distance in meters)

A)zigbee
B)rubee
C)wibree
D)z-wave