Question 1

The term modem stands for Modulator of Digital Electronic Messages.

Accepted Answer

A) True 
 B)False  False

Question 2

Which statement about Wi-Fi is not true?

Accepted Answer

A)  Wi-Fi is a wireless technology for local area networks. 
B)  Wi-Fi is used in buildings with wired LANs to enable mobile access to the organizational networks. 
C)  Wi-Fi networks are replacing WiMAX networks due to their greater speed and geographic coverage. 
D)  Wi-Fi networks use a CSMA/CA protocol to avoid message failures. 
A)  Wi-Fi is a wireless technology for local area networks. 
B)  Wi-Fi is used in buildings with wired LANs to enable mobile access to the organizational networks. 
C)  Wi-Fi networks are replacing WiMAX networks due to their greater speed and geographic coverage. 
D)  Wi-Fi networks use a CSMA/CA protocol to avoid message failures. C

Question 3

Which of the following statements about network topologies is not true?

Accepted Answer

A)  A bus topology can be thought of as a simple "linear" topology. 
B)  A ring topology is wired like a bus, except the ends of the cable are connected. 
C)  A star topology is like a ring, except the hub is bigger. 
D)  In a mesh topology, devices are directly connected to two, three, or more other devices in a seemingly irregular pattern. 
A)  A bus topology can be thought of as a simple "linear" topology. 
B)  A ring topology is wired like a bus, except the ends of the cable are connected. 
C)  A star topology is like a ring, except the hub is bigger. 
D)  In a mesh topology, devices are directly connected to two, three, or more other devices in a seemingly irregular pattern. C

Question 4

A private,packet-switched network using the public Internet is referred to as a(n):

Accepted Answer

A)  VPN network. 
B)  SONET network. 
C)  ISDN network. 
D)  DDD network. 
A)  VPN network. 
B)  SONET network. 
C)  ISDN network. 
D)  DDD network.

Question 5

Which of the following most accurately describes the routing function of telecommunications?

Accepted Answer

A)  checking for errors and putting the communication into a standardized format 
B)  changing coding system or speed when moving data between devices on the network 
C)  keeping track of the status of the network 
D)  choosing the most efficient path for a message to be sent over the Internet 
A)  checking for errors and putting the communication into a standardized format 
B)  changing coding system or speed when moving data between devices on the network 
C)  keeping track of the status of the network 
D)  choosing the most efficient path for a message to be sent over the Internet

Question 6

Which of the following network protocols is used on the Internet and has become the de facto standard protocol for networking around the world?

Accepted Answer

A)  SNA 
B)  TCP/IP 
C)  VPN 
D)  OSI 
A)  SNA 
B)  TCP/IP 
C)  VPN 
D)  OSI

Question 7

Which of the following is not a characteristic of fiber-optic transmission?

Accepted Answer

A)  faster transmission than twisted pair of wires 
B)  more secure than other media because it does not emit radiation 
C)  requires more space than coaxial cable because it has more insulation 
D)  not affected by power-line surges or electromagnetic interference 
A)  faster transmission than twisted pair of wires 
B)  more secure than other media because it does not emit radiation 
C)  requires more space than coaxial cable because it has more insulation 
D)  not affected by power-line surges or electromagnetic interference

Question 8

Which of the following is not a characteristic of a star network topology?

Accepted Answer

A)  costly for small and medium-sized networks 
B)  relatively easy to identify which cable has failed 
C)  if central device fails, whole network fails 
D)  easy to add additional devices 
A)  costly for small and medium-sized networks 
B)  relatively easy to identify which cable has failed 
C)  if central device fails, whole network fails 
D)  easy to add additional devices

Question 9

The CSMA/CD and CSMA/CA protocols are designed to manage which of the following:

Accepted Answer

A)  low bandwidth. 
B)  conversion of data from digital to analog. 
C)  message collisions. 
D)  passing of token from one device to another. 
A)  low bandwidth. 
B)  conversion of data from digital to analog. 
C)  message collisions. 
D)  passing of token from one device to another.

Question 10

Which of the following networking hardware devices forwards all messages it receives to all devices that are connected to it,whether or not the messages need to go there?

Accepted Answer

A)  gateway 
B)  hub 
C)  router 
D)  switch 
A)  gateway 
B)  hub 
C)  router 
D)  switch

Question 11

Which transmission medium requires an unobstructed straight line between the transmitter and the receiver?

Accepted Answer

A)  coaxial cable 
B)  twisted pair of wires 
C)  microwave 
D)  wireless (as in a LAN) 
A)  coaxial cable 
B)  twisted pair of wires 
C)  microwave 
D)  wireless (as in a LAN)

Question 12

In the United States,the two giants in the telephone industry in the decade of the 2010s are:

Accepted Answer

A)  T-Mobile and Sprint Nextel. 
B)  Verizon and AT&T. 
C)  BellSouth and SBC. 
D)  GTE and Cingular. 
A)  T-Mobile and Sprint Nextel. 
B)  Verizon and AT&T. 
C)  BellSouth and SBC. 
D)  GTE and Cingular.

Question 13

The term Ethernet is often used as a synonym with which of the following types of local area networks:

Accepted Answer

A)  token bus network. 
B)  token ring network. 
C)  contention bus network. 
D)  contention ring network. 
A)  token bus network. 
B)  token ring network. 
C)  contention bus network. 
D)  contention ring network.

Question 14

Which type of file requires the greatest bandwidth?

Accepted Answer

A)  a Word document page in small font 
B)  a complex graphic 
C)  one minute of a voice conversation 
D)  one minute of a video 
A)  a Word document page in small font 
B)  a complex graphic 
C)  one minute of a voice conversation 
D)  one minute of a video

Question 15

Which of the following is a term used to describe transmission speed of a network?

Accepted Answer

A)  parity 
B)  baud 
C)  MIPS 
D)  phase 
A)  parity 
B)  baud 
C)  MIPS 
D)  phase

Question 16

When considering network protocols,why is the multilayer OSI model still important?

Accepted Answer

A)  It provides a conceptual framework for how communication takes place in networks. 
B)  It is specifically designed for Ethernet transmissions, which are quite common. 
C)  It describes a protocol that is gradually replacing TCP/IP. 
D)  It was designed by IBM. 
A)  It provides a conceptual framework for how communication takes place in networks. 
B)  It is specifically designed for Ethernet transmissions, which are quite common. 
C)  It describes a protocol that is gradually replacing TCP/IP. 
D)  It was designed by IBM.

Question 17

Which of the following most accurately describes the conversion function of telecommunications?

Accepted Answer

A)  checking for errors and putting the communication into a standardized format 
B)  changing coding system or speed when moving data between devices on the network 
C)  keeping track of the status of the network 
D)  choosing the most efficient path for a message to be sent over the Internet 
A)  checking for errors and putting the communication into a standardized format 
B)  changing coding system or speed when moving data between devices on the network 
C)  keeping track of the status of the network 
D)  choosing the most efficient path for a message to be sent over the Internet

Question 18

Which type of technology relies on line-of-sight transmission?

Accepted Answer

A)  Bluetooth 
B)  satellite 
C)  WiMAX 
D)  WiFi 
A)  Bluetooth 
B)  satellite 
C)  WiMAX 
D)  WiFi

Question 19

Early in the decade of the 2010s,two different technologies-WiMAX and LTE (Long Term Evolution)-are competing to become the dominant 4G network technology.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following is a (are)primary reason(s)for networking an organization's computers together?

Accepted Answer

A)  sharing of peripherals such as printers 
B)  sharing of data 
C)  enables client/server applications 
D)  all of the above 
A)  sharing of peripherals such as printers 
B)  sharing of data 
C)  enables client/server applications 
D)  all of the above

The term modem stands for Modulator of Digital Electronic Messages.

Which statement about Wi-Fi is not true?

Which of the following statements about network topologies is not true?

A private,packet-switched network using the public Internet is referred to as a(n):

Which of the following most accurately describes the routing function of telecommunications?

Which of the following network protocols is used on the Internet and has become the de facto standard protocol for networking around the world?

Which of the following is not a characteristic of fiber-optic transmission?

Which of the following is not a characteristic of a star network topology?

The CSMA/CD and CSMA/CA protocols are designed to manage which of the following:

Which of the following networking hardware devices forwards all messages it receives to all devices that are connected to it,whether or not the messages need to go there?

Which transmission medium requires an unobstructed straight line between the transmitter and the receiver?

In the United States,the two giants in the telephone industry in the decade of the 2010s are:

The term Ethernet is often used as a synonym with which of the following types of local area networks:

Which type of file requires the greatest bandwidth?

Which of the following is a term used to describe transmission speed of a network?

When considering network protocols,why is the multilayer OSI model still important?

Which of the following most accurately describes the conversion function of telecommunications?

Which type of technology relies on line-of-sight transmission?

Early in the decade of the 2010s,two different technologies-WiMAX and LTE (Long Term Evolution)-are competing to become the dominant 4G network technology.

Which of the following is a (are)primary reason(s)for networking an organization's computers together?

Managing IT in a Digital World

Computer Systems

The Data Resource

Enterprise Systems

Managerial Support Systems

E-Business Systems

Basic Systems Concepts and Tools

Methodologies for Custom Software Development

Methodologies for Purchased Software Packages

IT Project Management

Planning Information Systems Resources

Leading the Information Systems Function

Information Security

Social, Ethical, and Legal Issues

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Exam 3: Telecommunications and Networking

The term modem stands for Modulator of Digital Electronic Messages.

Which statement about Wi-Fi is not true?

Which of the following statements about network topologies is not true?

A private,packet-switched network using the public Internet is referred to as a(n):

Which of the following most accurately describes the routing function of telecommunications?

Which of the following network protocols is used on the Internet and has become the de facto standard protocol for networking around the world?

Which of the following is not a characteristic of fiber-optic transmission?

Which of the following is not a characteristic of a star network topology?

The CSMA/CD and CSMA/CA protocols are designed to manage which of the following:

Which of the following networking hardware devices forwards all messages it receives to all devices that are connected to it,whether or not the messages need to go there?

Which transmission medium requires an unobstructed straight line between the transmitter and the receiver?

In the United States,the two giants in the telephone industry in the decade of the 2010s are:

The term Ethernet is often used as a synonym with which of the following types of local area networks:

Which type of file requires the greatest bandwidth?

Which of the following is a term used to describe transmission speed of a network?

When considering network protocols,why is the multilayer OSI model still important?

Which of the following most accurately describes the conversion function of telecommunications?

Which type of technology relies on line-of-sight transmission?

Early in the decade of the 2010s,two different technologies-WiMAX and LTE (Long Term Evolution)-are competing to become the dominant 4G network technology.

Which of the following is a (are)primary reason(s)for networking an organization's computers together?

Managing IT in a Digital World

Computer Systems

The Data Resource

Enterprise Systems

Managerial Support Systems

E-Business Systems

Basic Systems Concepts and Tools

Methodologies for Custom Software Development

Methodologies for Purchased Software Packages

IT Project Management

Planning Information Systems Resources

Leading the Information Systems Function

Information Security

Social, Ethical, and Legal Issues

Filters