Question 1

Wireless networks are more susceptible than wired networks to interference,signal loss,noise,and eavesdropping.

Accepted Answer

A) True 
 B)False  True

Question 2

When using a wireless systems,you are limited in how often you can use the same frequency band for different communications because the signals are not constrained and can interfere with each other even when separated geographically.

Accepted Answer

A) True 
 B)False  True

Question 3

The base station selected for communication with a mobile unit is always the one closest to the current location of the unit.

Accepted Answer

A) True 
 B)False  False

Question 4

Wireless networks compete effectively in terms of data transfer rates when compared with wired networks.

Accepted Answer

A) True 
 B)False

Question 5

The WAP Programming Model uses a ________ that acts as a proxy server for the wireless domain.

Accepted Answer

A) translator 
B) WAP server 
C) decoder 
D) compressor 
E) gateway 
A) translator 
B) WAP server 
C) decoder 
D) compressor 
E) gateway

Question 6

Because of the limited frequencies available,a key design element of any cellular system is to

Accepted Answer

A) use small cells. 
B) employ multiple access. 
C) limit the number of users at one time. 
D) use as many frequencies as possible. 
E) use as few frequencies as possible. 
A) use small cells. 
B) employ multiple access. 
C) limit the number of users at one time. 
D) use as many frequencies as possible. 
E) use as few frequencies as possible.

Question 7

The ideal design for cells in a cellular network is a hexagonal shape because

Accepted Answer

A) this makes enforcement of shapes easier. 
B) this is the easiest to implement. 
C) this makes all frequencies available to all cells. 
D) makes the distance to all adjacent cells the same. 
E) all cells can be isolated. 
A) this makes enforcement of shapes easier. 
B) this is the easiest to implement. 
C) this makes all frequencies available to all cells. 
D) makes the distance to all adjacent cells the same. 
E) all cells can be isolated.

Question 8

In cellular communications systems,base stations (BS)are located in the geographic center of cells and handle communications between mobile units and the rest of the network.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following is NOT one of the components of the WAP specification?

Accepted Answer

A) A framework for wireless telephony applications 
B) A full-featured communications protocol stack 
C) A programming model based on the WWW 
D) A markup language adhering to XML 
E) A specification of a small browser 
A) A framework for wireless telephony applications 
B) A full-featured communications protocol stack 
C) A programming model based on the WWW 
D) A markup language adhering to XML 
E) A specification of a small browser

Question 10

Prior to cellular radio,mobile radio and telephone services required

Accepted Answer

A) a high-power transmitter/receiver. 
B) multiple transmitters/receivers. 
C) only one or two dedicated channels. 
D) that many channels be used,which exceed the frequency capacity. 
E) wired networks for support. 
A) a high-power transmitter/receiver. 
B) multiple transmitters/receivers. 
C) only one or two dedicated channels. 
D) that many channels be used,which exceed the frequency capacity. 
E) wired networks for support.

Question 11

When using cellular networks,

Accepted Answer

A) a single base station can serve multiple cells. 
B) adjacent cells must use the same frequencies. 
C) adjacent cells are assigned different frequencies. 
D) non-adjacent cells are assigned different frequencies. 
E) non-adjacent cells can use any frequency. 
A) a single base station can serve multiple cells. 
B) adjacent cells must use the same frequencies. 
C) adjacent cells are assigned different frequencies. 
D) non-adjacent cells are assigned different frequencies. 
E) non-adjacent cells can use any frequency.

Question 12

The objective of the third generation of wireless communication is to provide high speed wireless communications to support multimedia,data,and video,in addition to voice.

Accepted Answer

A) True 
 B)False

Question 13

Satellite communications is comparable in importance to optical fiber in the evolution of telecommunications and data communications.

Accepted Answer

A) True 
 B)False

Question 14

When a mobile unit moves,it may connect with a different base station.This action is called

Accepted Answer

A) a handoff. 
B) a transfer. 
C) a reconfiguration. 
D) a dropped signal. 
E) an intertower pickup. 
A) a handoff. 
B) a transfer. 
C) a reconfiguration. 
D) a dropped signal. 
E) an intertower pickup.

Question 15

First generation mobile telephone systems used analog voice communication based on amplitude modulation.

Accepted Answer

A) True 
 B)False

Question 16

The Wireless Application Protocol (WAP)is

Accepted Answer

A) proprietary protocol developed in the USA for wireless security. 
B) dependent on the specific network technologies employed. 
C) an Internet standard that replaces HTML,HTTP,and XML. 
D) designed to overcome many of the limitations hindering acceptance of mobile data services. 
E) used primarily with mobile paging systems. 
A) proprietary protocol developed in the USA for wireless security. 
B) dependent on the specific network technologies employed. 
C) an Internet standard that replaces HTML,HTTP,and XML. 
D) designed to overcome many of the limitations hindering acceptance of mobile data services. 
E) used primarily with mobile paging systems.

Question 17

The specific base station that communicates with the mobile unit is selected by the MTSO based on the strength of the signal received from the mobile unit.

Accepted Answer

A) True 
 B)False

Question 18

The idea of universal personal telecommunications refers to the capability of using one's terminal in a wide variety of environments to connect to information services.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following is NOT one of the ways that frequency spectrum can be divided among active users?

Accepted Answer

A) frequency division multiple access 
B) time division multiple access 
C) code division multiple access 
D) space division multiple access 
E) cell division multiple access 
A) frequency division multiple access 
B) time division multiple access 
C) code division multiple access 
D) space division multiple access 
E) cell division multiple access

Question 20

Which of the following is a problem when using Geostationary Earth Orbit (GEO)satellites?

Accepted Answer

A) Tracking of the satellite position requires a computerized control system. 
B) Large portions of the earth are out of reach of the systems. 
C) The Doppler effect causes problems. 
D) Because of distance,there are significant time delays in transmission times. 
E) Only a few satellites can be position in orbit at any one time. 
A) Tracking of the satellite position requires a computerized control system. 
B) Large portions of the earth are out of reach of the systems. 
C) The Doppler effect causes problems. 
D) Because of distance,there are significant time delays in transmission times. 
E) Only a few satellites can be position in orbit at any one time.

Wireless networks are more susceptible than wired networks to interference,signal loss,noise,and eavesdropping.

When using a wireless systems,you are limited in how often you can use the same frequency band for different communications because the signals are not constrained and can interfere with each other even when separated geographically.

The base station selected for communication with a mobile unit is always the one closest to the current location of the unit.

Wireless networks compete effectively in terms of data transfer rates when compared with wired networks.

The WAP Programming Model uses a ________ that acts as a proxy server for the wireless domain.

Because of the limited frequencies available,a key design element of any cellular system is to

The ideal design for cells in a cellular network is a hexagonal shape because

In cellular communications systems,base stations (BS)are located in the geographic center of cells and handle communications between mobile units and the rest of the network.

Which of the following is NOT one of the components of the WAP specification?

Prior to cellular radio,mobile radio and telephone services required

When using cellular networks,

The objective of the third generation of wireless communication is to provide high speed wireless communications to support multimedia,data,and video,in addition to voice.

Satellite communications is comparable in importance to optical fiber in the evolution of telecommunications and data communications.

When a mobile unit moves,it may connect with a different base station.This action is called

First generation mobile telephone systems used analog voice communication based on amplitude modulation.

The Wireless Application Protocol (WAP)is

The specific base station that communicates with the mobile unit is selected by the MTSO based on the strength of the signal received from the mobile unit.

The idea of universal personal telecommunications refers to the capability of using one's terminal in a wide variety of environments to connect to information services.

Which of the following is NOT one of the ways that frequency spectrum can be divided among active users?

Which of the following is a problem when using Geostationary Earth Orbit (GEO)satellites?

Introduction

Business Information

Distributed Data Processing

Internet History and Architecture

Tcp/ip and Osi

Clientserver and Intranet Computing

Internet-Based Applications

Internet Operation

Lan Architecture and Protocols

Ethernet and Fibre Channel

Wireless Lans

Circuit Switching and Packet Switching

Frame Relay and Atm

Data Transmission

Data Communication Fundamentals

Data Link Control and Multiplexing

Computer and Network Security Threats

Computer and Network Security Techniques

Network Management

Filters

Exam 14: Wireless Wans

Wireless networks are more susceptible than wired networks to interference,signal loss,noise,and eavesdropping.

When using a wireless systems,you are limited in how often you can use the same frequency band for different communications because the signals are not constrained and can interfere with each other even when separated geographically.

The base station selected for communication with a mobile unit is always the one closest to the current location of the unit.

Wireless networks compete effectively in terms of data transfer rates when compared with wired networks.

The WAP Programming Model uses a ________ that acts as a proxy server for the wireless domain.

Because of the limited frequencies available,a key design element of any cellular system is to

The ideal design for cells in a cellular network is a hexagonal shape because

In cellular communications systems,base stations (BS)are located in the geographic center of cells and handle communications between mobile units and the rest of the network.

Which of the following is NOT one of the components of the WAP specification?

Prior to cellular radio,mobile radio and telephone services required

When using cellular networks,

The objective of the third generation of wireless communication is to provide high speed wireless communications to support multimedia,data,and video,in addition to voice.

Satellite communications is comparable in importance to optical fiber in the evolution of telecommunications and data communications.

When a mobile unit moves,it may connect with a different base station.This action is called

First generation mobile telephone systems used analog voice communication based on amplitude modulation.

The Wireless Application Protocol (WAP)is

The specific base station that communicates with the mobile unit is selected by the MTSO based on the strength of the signal received from the mobile unit.

The idea of universal personal telecommunications refers to the capability of using one's terminal in a wide variety of environments to connect to information services.

Which of the following is NOT one of the ways that frequency spectrum can be divided among active users?

Which of the following is a problem when using Geostationary Earth Orbit (GEO)satellites?

Introduction

Business Information

Distributed Data Processing

Internet History and Architecture

Tcp/ip and Osi

Clientserver and Intranet Computing

Internet-Based Applications

Internet Operation

Lan Architecture and Protocols

Ethernet and Fibre Channel

Wireless Lans

Circuit Switching and Packet Switching

Frame Relay and Atm

Data Transmission

Data Communication Fundamentals

Data Link Control and Multiplexing

Computer and Network Security Threats

Computer and Network Security Techniques

Network Management

Filters