Question 1

What are some of the uses and limitations of GPS?

Accepted Answer

Uses: Assistance for visually impaired people; detection of equipment and sites in military engagement; tracking trucks,buses,and taxis; tracking people who have their cellphones on; locating stolen cars; orienting hikers / locating lost hikers; aiding in surveying; monitoring dangerous geological sites,such as volcanoes; finding lost pets; geocaching; getting map directions on computers and in cars; determining E911 locations of people making 911 calls.Limitations: Not all GPS services are reliable; maps are sometime inaccurate; E911 locations are not always accurate; tracking cellphone users could violate privacy.

Question 2

Global Positioning Systems use ________ to continuously transmit signals to identify earth locations.

Accepted Answer

satellites

Question 3

Communications signals represented in a binary electronic format are ________ signals.

Accepted Answer

digital

Question 4

Wired communications media include three main types.The kind used for transmitting pulses of light is called a ________ cable.

Accepted Answer

fiber-opti

Question 5

A virtual private network may include ________.

Accepted Answer

A)  a company intranet 
B)  a company extranet 
C)  a company LAN 
D)  any of these 
A)  a company intranet 
B)  a company extranet 
C)  a company LAN 
D)  any of these

Question 6

Cellphones are cellular radios.

Accepted Answer

A) True 
 B)False

Question 7

What wired communications medium consists of dozens or hundreds of thin strands of glass or plastic?

Accepted Answer

A)  twisted-pair 
B)  coaxial 
C)  fiber-optic 
D)  straight wire 
A)  twisted-pair 
B)  coaxial 
C)  fiber-optic 
D)  straight wire

Question 8

A network can be laid out in different ways.The layout,or shape,of a network is called a ________.

Accepted Answer

The answer of A network can be laid out in...

Question 9

The three short-range wireless standards used in home automation networks,for linking switches and sensors around the house and yard,are Insteon,ZigBee,and _________.

Accepted Answer

The answer of The three short-range wireless standards used in...

Question 10

Transmitting a signal from a ground station to a satellite is called ________.

Accepted Answer

A)  broadcasting 
B)  high-frequency 
C)  uplinking 
D)  downlinking 
A)  broadcasting 
B)  high-frequency 
C)  uplinking 
D)  downlinking

Question 11

A thermometer and a speedometer are examples of analog devices.

Accepted Answer

A) True 
 B)False

Question 12

Each zero and one signal represents a ________.

Accepted Answer

A)  bit 
B)  byte 
C)  kilobyte 
D)  megabyte 
A)  bit 
B)  byte 
C)  kilobyte 
D)  megabyte

Question 13

Describe the network topology used by the Internet.

Accepted Answer

In a mesh network topology,messages sent

Question 14

Trolls,spies,hackers,and thieves are kinds of _________.

Accepted Answer

cyberintru

Question 15

The range of frequencies that a transmission medium can carry in a given period of time is called its ________.

Accepted Answer

The answer of The range of frequencies that a transmission...

Question 16

Wi-Fi is a short-range wireless connection for LANs.

Accepted Answer

A) True 
 B)False

Question 17

GPS uses MEO satellites that continuously transmit timed radio signals used to identify earth locations.

Accepted Answer

A) True 
 B)False

Question 18

________ is the most common and most widely used LAN technology,with networked devices in close proximity; it can be used with almost any kind of computer.Most microcomputers come with a port for this type of network connection,which uses cable.

Accepted Answer

A)  Fiber-optic 
B)  Internet 
C)  Token ring 
D)  Ethernet 
A)  Fiber-optic 
B)  Internet 
C)  Token ring 
D)  Ethernet

Question 19

The two general classes of bandwidth are long and short.

Accepted Answer

A) True 
 B)False

Question 20

Broadband technology (wireless digital services)is also referred to as ________-generation wireless services.

Accepted Answer

A)  first 
B)  second 
C)  third 
D)  fourth 
A)  first 
B)  second 
C)  third 
D)  fourth

What are some of the uses and limitations of GPS?

Global Positioning Systems use ________ to continuously transmit signals to identify earth locations.

Communications signals represented in a binary electronic format are ________ signals.

Wired communications media include three main types.The kind used for transmitting pulses of light is called a ________ cable.

A virtual private network may include ________.

Cellphones are cellular radios.

What wired communications medium consists of dozens or hundreds of thin strands of glass or plastic?

A network can be laid out in different ways.The layout,or shape,of a network is called a ________.

The three short-range wireless standards used in home automation networks,for linking switches and sensors around the house and yard,are Insteon,ZigBee,and _________.

Transmitting a signal from a ground station to a satellite is called ________.

A thermometer and a speedometer are examples of analog devices.

Each zero and one signal represents a ________.

Describe the network topology used by the Internet.

Trolls,spies,hackers,and thieves are kinds of _________.

The range of frequencies that a transmission medium can carry in a given period of time is called its ________.

Wi-Fi is a short-range wireless connection for LANs.

GPS uses MEO satellites that continuously transmit timed radio signals used to identify earth locations.

________ is the most common and most widely used LAN technology,with networked devices in close proximity; it can be used with almost any kind of computer.Most microcomputers come with a port for this type of network connection,which uses cable.

The two general classes of bandwidth are long and short.

Broadband technology (wireless digital services)is also referred to as ________-generation wireless services.

Introduction to Information Technology: the Future Now

The Internet and the World Wide Web: Exploring Cyberspace

Software: Tools for Productivity and Creativity

Hardware: the Cpu and Storage: the Source of Computing Power

Hardware: Input and Output: Taking Charge of Computing and Communications

Personal Technology: the Future Is You

The Era of Big Data: Databases, Information Systems, and Artificial Intelligence

The Challenges of the Digital Age: Society and Information Technology Today

Building Systems and Applications: Software Development, Programming, and Languages

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Exam 6: Communications, Networks, and Cyberthreats: the Wired and Wireless World

What are some of the uses and limitations of GPS?

Global Positioning Systems use ________ to continuously transmit signals to identify earth locations.

Communications signals represented in a binary electronic format are ________ signals.

Wired communications media include three main types.The kind used for transmitting pulses of light is called a ________ cable.

A virtual private network may include ________.

Cellphones are cellular radios.

What wired communications medium consists of dozens or hundreds of thin strands of glass or plastic?

A network can be laid out in different ways.The layout,or shape,of a network is called a ________.

The three short-range wireless standards used in home automation networks,for linking switches and sensors around the house and yard,are Insteon,ZigBee,and _________.

Transmitting a signal from a ground station to a satellite is called ________.

A thermometer and a speedometer are examples of analog devices.

Each zero and one signal represents a ________.

Describe the network topology used by the Internet.

Trolls,spies,hackers,and thieves are kinds of _________.

The range of frequencies that a transmission medium can carry in a given period of time is called its ________.

Wi-Fi is a short-range wireless connection for LANs.

GPS uses MEO satellites that continuously transmit timed radio signals used to identify earth locations.

________ is the most common and most widely used LAN technology,with networked devices in close proximity; it can be used with almost any kind of computer.Most microcomputers come with a port for this type of network connection,which uses cable.

The two general classes of bandwidth are long and short.

Broadband technology (wireless digital services)is also referred to as ________-generation wireless services.

Introduction to Information Technology: the Future Now

The Internet and the World Wide Web: Exploring Cyberspace

Software: Tools for Productivity and Creativity

Hardware: the Cpu and Storage: the Source of Computing Power

Hardware: Input and Output: Taking Charge of Computing and Communications

Personal Technology: the Future Is You

The Era of Big Data: Databases, Information Systems, and Artificial Intelligence

The Challenges of the Digital Age: Society and Information Technology Today

Building Systems and Applications: Software Development, Programming, and Languages

Filters