Deck 10: Wireless Wide Area Networks

Question 1

GSM is a third generation cellular technology.

Answer 1

False

Question 2

What technology is used on 1G cellular networks to make the dedicated connection between caller and recipient?

A) packet switching
B) frame switching
C) circuit switching
D) segment switching

Answer 2

C

Question 3

Cellular telephony works by dividing the coverage area into sections called blocks.

Answer 3

False

Question 4

Under which class of satellite orbit do GEO satellites fall as a subclass?

A) LEO
B) MEO
C) SEO
D) HEO

Question 5

Which of the following is NOT true about digital versus analog transmissions?

A) analog uses the frequency spectrum more efficiently
B) digital is more difficult to decode
C) analog uses more power on average
D) digital provides better voice quality over long distances

Question 6

The process of connecting to cell outside the user's home area is called which of the following?

A) handoff
B) roaming
C) switching
D) routing

Question 7

Which 3G technology allows the carriers to move to an all-IP, packet-only architecture?

A) CDMA
B) HSDPA
C) HSPA+
D) W-CDMA

Question 8

GEO satellites are more expensive to launch than LEO satellites but have a longer lifespan.

Question 9

Which of the following is the link between a cellular phone network and the wired telephone world?

A) SIM card
B) Base Station
C) MTSO
D) IMEI

Question 10

Which type of satellite has a 250 millisecond latency, requires only three to cover the Earth, and has a lifespan more than 15 years?

A) LEO
B) MEO
C) HEO
D) GEO

Question 11

Which of the following is true about SMS?

A) it uses the Internet for message transfer
B) the cell phone carrier can temporarily store messages
C) message size is limited to about 10,000 characters
D) about one million messages are sent annually worldwide

Question 12

Which access technology is NOT used with 2G systems?

A) TDMA
B) CDMA
C) GSM
D) FDMA

Question 13

On 1G cellular networks, what is the frequency called that a cell phone initially listens on when it is turned on?

A) broadcast channel
B) base channel
C) service channel
D) control channel

Question 14

The process of a new cell taking over a user's call is called a handoff.

Question 15

Which of the following is NOT a modulation technique typically used by satellites?

A) QPSK
B) ASK
C) BPSK
D) 16-QAM

Question 16

Which type of satellite has a 20 to 40 millisecond signal latency and are expected to be in high demand for the rural telephone service market?

A) LEO
B) MEO
C) GEO
D) HEO

Question 17

Analog cell phone signals are less prone to interference than digital signals.

Question 18

What is a primary difference between 2G and 2.5G networks?

A) 2.5G was only deployed in North America
B) 2.5G uses packet switching
C) 2.5G uses EVDO technology
D) 2.5G uses HSDPA

Question 19

Which is the largest factor limiting the development of 3G technologies?

A) battery power
B) CPU speed
C) spectrum availability
D) cellular tower height

Question 20

Which of the following is a Web content display technology that was based on XHTML and did not require a gateway to translate Web content for display on a cellular phone?

A) WAP
B) BREW
C) WAP2
D) i-mode

Question 21

MATCHING
a. 8-PSK
b. cell
c. control channel
d. EDGE
e. GPRS
f. i-mode
g. LEO satellites
h. MEO satellites
i. W-CDMA
j. WWAN
the coverage section of one transmission tower in a mobile network

Question 22

On an SMS system, automated ___________ can send notifications whenever an event occurs.

Question 23

Some cellular phones require a _________ card to be installed on the phone before it can be used.

Question 24

___________________ are equipped with Wi-Fi and their users are the largest users of cellular data.

Question 25

MATCHING
a. 8-PSK
b. cell
c. control channel
d. EDGE
e. GPRS
f. i-mode
g. LEO satellites
h. MEO satellites
i. W-CDMA
j. WWAN
satellites that orbit the Earth at an altitude of 200-900 miles

Question 26

MATCHING
a. 8-PSK
b. cell
c. control channel
d. EDGE
e. GPRS
f. i-mode
g. LEO satellites
h. MEO satellites
i. W-CDMA
j. WWAN
a 2.5G digital cellular network technology that boosts GPRS transmissions

Question 27

MATCHING
a. 8-PSK
b. cell
c. control channel
d. EDGE
e. GPRS
f. i-mode
g. LEO satellites
h. MEO satellites
i. W-CDMA
j. WWAN
a 2.5G network technology that can transmit at up to 114 Kbps

Question 28

Compared to analog, digital transmissions are more difficult to __________ and therefore offer better security.

Question 29

Short ________________ Services remains one of the most widely used cellular phone applications.

Question 30

What happens as a cellular phone users moves around within a particular cell and into another cell?

Question 31

MATCHING
a. 8-PSK
b. cell
c. control channel
d. EDGE
e. GPRS
f. i-mode
g. LEO satellites
h. MEO satellites
i. W-CDMA
j. WWAN
satellites that orbit the Earth at altitudes of 1,500-10,000 miles

Question 32

MATCHING
a. 8-PSK
b. cell
c. control channel
d. EDGE
e. GPRS
f. i-mode
g. LEO satellites
h. MEO satellites
i. W-CDMA
j. WWAN
a special frequency that cellular phones use for communication with a base station

Question 33

MATCHING
a. 8-PSK
b. cell
c. control channel
d. EDGE
e. GPRS
f. i-mode
g. LEO satellites
h. MEO satellites
i. W-CDMA
j. WWAN
a modulation technique in which the phase of the carrier is shifted in 45-degree increments and 4 bits can be transmitted per phase change

Question 34

Describe the basic of how a cellular telephony works.

Question 35

MATCHING
a. 8-PSK
b. cell
c. control channel
d. EDGE
e. GPRS
f. i-mode
g. LEO satellites
h. MEO satellites
i. W-CDMA
j. WWAN
a network that spans a geographical area as large as an entire country or even the entire world

Question 36

An MTSO controls all transmitters and __________ stations in the cellular network.

Question 37

MATCHING
a. 8-PSK
b. cell
c. control channel
d. EDGE
e. GPRS
f. i-mode
g. LEO satellites
h. MEO satellites
i. W-CDMA
j. WWAN
an Internet access system for digital cellular telephones

Question 38

______ cell phone technology is based on Advanced Mobile Phone Service.

Question 39

MATCHING
a. 8-PSK
b. cell
c. control channel
d. EDGE
e. GPRS
f. i-mode
g. LEO satellites
h. MEO satellites
i. W-CDMA
j. WWAN
the 3G digital cellular technology that is a migration from EDGE

Question 40

A(n) ________________ identification number is a unique 10-digit number generated from the phone's telephone number and is not used on phones that use a SIM card.

Question 41

What are the two main advantages that packet switching has over circuit switching?

Question 42

What are the classes and types of service provided by satellite technology?

Question 43

Describe the two groups that LEO satellites can be divided into.

Question 44

What happens when a cellular phone user moves out of their home cellular network into another network and what is this process called?

Question 45

Describe the advantages of HSPA+ and an all-IP architecture.

Question 46

Describe two of the four modulation techniques used by satellite.

Question 47

Describe the switching technology used by 1G cellular networks and how it works when a call is made.

Question 48

What three multiple access technologies are used by 2G cellular networks?