Question 1

A backbone network is:

Accepted Answer

A)  a high speed central network that connects other networks in a distance spanning up to several miles. 
B)  a group of personal computers or terminals located in the same general area and connected by a common cable (communication circuit) so they can exchange information. 
C)  a network spanning a geographical area that usually encompasses a city or county area (3 to 30 miles). 
D)  a network spanning a large geographical area (up to 1000s of miles). 
E)  a network spanning exactly 200 miles with common carrier circuits. 
A)  a high speed central network that connects other networks in a distance spanning up to several miles. 
B)  a group of personal computers or terminals located in the same general area and connected by a common cable (communication circuit) so they can exchange information. 
C)  a network spanning a geographical area that usually encompasses a city or county area (3 to 30 miles). 
D)  a network spanning a large geographical area (up to 1000s of miles). 
E)  a network spanning exactly 200 miles with common carrier circuits.

Question 2

An Inter-Exchange Carrier (IXC)provides only local telephone services to homes and businesses.

Accepted Answer

A) True 
 B)False

Question 3

From your own knowledge or background,discuss and describe three important applications of data communication networks for strategic,competitive advantage in business use.Give examples of three real world firms who have used networks for competitive advantage in the marketplace and discuss why these networks contributed to their expertise or competitive advantage.

Accepted Answer

Data communication networks play a cruci

Question 4

Data communications and networking can be considered as a global area of study because:

Accepted Answer

A)  new technologies and applications emerge from a variety of countries and spread around the world 
B)  the technologies enable global communication 
C)  the political and regulatory issues are exactly the same in every country 
D)  a and b 
E)  none of the above 
A)  new technologies and applications emerge from a variety of countries and spread around the world 
B)  the technologies enable global communication 
C)  the political and regulatory issues are exactly the same in every country 
D)  a and b 
E)  none of the above

Question 5

Due to recent advances in high speed communication networks,the information lag,or the time it takes for information to be disseminated around the world,has been significantly shortened.

Accepted Answer

A) True 
 B)False

Question 6

The____________ layer of the OSI model is responsible for data format translation.

Accepted Answer

A)  session 
B)  presentation 
C)  physical 
D)  application 
E)  transport 
A)  session 
B)  presentation 
C)  physical 
D)  application 
E)  transport

Question 7

Which layer of the OSI model is responsible for ensuring flow control so that the destination station does not receive more packets that it can process at any given time?

Accepted Answer

A)  presentation Layer 
B)  transport Layer 
C)  physical Layer 
D)  session Layer 
E)  application Layer 
A)  presentation Layer 
B)  transport Layer 
C)  physical Layer 
D)  session Layer 
E)  application Layer

Question 8

How do LANs differ from MANs,WANs,and BNs?

Accepted Answer

Local Area Networks (LANs), Metropolitan

Question 9

In the Internet model,the application layer corresponds to the ________,layer(s)s of the OSI model.

Accepted Answer

A)  data link and network 
B)  session, presentation and application 
C)  application layer 
D)  application and presentation 
E)  network, transport and presentation 
A)  data link and network 
B)  session, presentation and application 
C)  application layer 
D)  application and presentation 
E)  network, transport and presentation

Question 10

Which is not a function of the physical layer:

Accepted Answer

A)  transmission of bits. 
B)  defining the rules by which one and zeroes are transmitted. 
C)  providing error-free transmission of data. 
D)  providing the physical connection between sender and receiver. 
E)  specifying the type of connection and type of signals, waves or pulses that pass though it. 
A)  transmission of bits. 
B)  defining the rules by which one and zeroes are transmitted. 
C)  providing error-free transmission of data. 
D)  providing the physical connection between sender and receiver. 
E)  specifying the type of connection and type of signals, waves or pulses that pass though it.

Question 11

Common carriers include the RBOCs,IXCs,and Cable TV companies.

Accepted Answer

A) True 
 B)False

Question 12

What is VOIP? What are some examples of companies that provide VOIP as a service to their customers?

Accepted Answer

VoIP stands for Voice over Internet Prot

Question 13

What are the three basic hardware components for a data communication network? Describe the functions of these.

Accepted Answer

The three basic hardware components for

Question 14

Discuss the technological progression of information systems from the 1950s to the present,with a particular focus on the evolution of networks and data networking.

Accepted Answer

The technological progression of informa

Question 15

Name two Regional Bell Operating Companies.Which ones provide services in your area? What is an RBOC? What do you forecast will happen to the RBOC's as deregulation continues to seep into the local loop?

Accepted Answer

The two Regional Bell Operating Companie

Question 16

The primary reason for networking standards is to:

Accepted Answer

A)  simplify cost accounting for networks 
B)  ensure that hardware and software produced by different vendors can work together 
C)  make it more difficult to develop hardware and software that link different networks 
D)  ensure that all network components of a particular network can be provided by only one vendor 
E)  lock customers into buying network components from one vendor 
A)  simplify cost accounting for networks 
B)  ensure that hardware and software produced by different vendors can work together 
C)  make it more difficult to develop hardware and software that link different networks 
D)  ensure that all network components of a particular network can be provided by only one vendor 
E)  lock customers into buying network components from one vendor

Question 17

The function of the file server is to :

Accepted Answer

A)  store data and software programs that can be used by client computers on the network. 
B)  manage all printing requests from clients on the network. 
C)  transfer e-mail messages to other servers on the network. 
D)  store HTML documents for an Internet or intranet web site. 
E)  coordinate the communication of client and servers on the network. 
A)  store data and software programs that can be used by client computers on the network. 
B)  manage all printing requests from clients on the network. 
C)  transfer e-mail messages to other servers on the network. 
D)  store HTML documents for an Internet or intranet web site. 
E)  coordinate the communication of client and servers on the network.

Question 18

In 1970,a key decision regarding MCI:

Accepted Answer

A)  set up the Telecommunications Competition and Deregulation Act 
B)  permitted MCI to provide limited long distance service in the U.S. 
C)  permitted telephone and/or computer equipment that was not manufactured by Bell Telephone to be connected to AT&T's network 
D)  divided AT&T into two parts: one part for long distance service, and a second part, comprised of seven operating companies, for local telephone service 
E)  set up deregulation for international telecommunications markets in 68 countries 
A)  set up the Telecommunications Competition and Deregulation Act 
B)  permitted MCI to provide limited long distance service in the U.S. 
C)  permitted telephone and/or computer equipment that was not manufactured by Bell Telephone to be connected to AT&T's network 
D)  divided AT&T into two parts: one part for long distance service, and a second part, comprised of seven operating companies, for local telephone service 
E)  set up deregulation for international telecommunications markets in 68 countries

Question 19

The specification stage of the de juro standardization process consists of developing nomenclature and identifying the problems to be addressed.

Accepted Answer

A) True 
 B)False

Question 20

An intranet is a LAN that uses Internet technologies and is publicly available to people outside of the organization.

Accepted Answer

A) True 
 B)False

A backbone network is:

An Inter-Exchange Carrier (IXC)provides only local telephone services to homes and businesses.

Data communications and networking can be considered as a global area of study because:

Due to recent advances in high speed communication networks,the information lag,or the time it takes for information to be disseminated around the world,has been significantly shortened.

The____________ layer of the OSI model is responsible for data format translation.

Which layer of the OSI model is responsible for ensuring flow control so that the destination station does not receive more packets that it can process at any given time?

How do LANs differ from MANs,WANs,and BNs?

In the Internet model,the application layer corresponds to the ________,layer(s)s of the OSI model.

Which is not a function of the physical layer:

Common carriers include the RBOCs,IXCs,and Cable TV companies.

What is VOIP? What are some examples of companies that provide VOIP as a service to their customers?

What are the three basic hardware components for a data communication network? Describe the functions of these.

Discuss the technological progression of information systems from the 1950s to the present,with a particular focus on the evolution of networks and data networking.

Name two Regional Bell Operating Companies.Which ones provide services in your area? What is an RBOC? What do you forecast will happen to the RBOC's as deregulation continues to seep into the local loop?

The primary reason for networking standards is to:

The function of the file server is to :

In 1970,a key decision regarding MCI:

The specification stage of the de juro standardization process consists of developing nomenclature and identifying the problems to be addressed.

An intranet is a LAN that uses Internet technologies and is publicly available to people outside of the organization.

Application Layer

Physical Layer

Data Link Layer

Network and Transport Layers

Wired and Wireless LANs

Backbone Networks

Wide Area Networks

The Internet

Network Security

Network Design

Network Management

Filters

Exam 1: Introduction to Data Communications

A backbone network is:

An Inter-Exchange Carrier (IXC)provides only local telephone services to homes and businesses.

Data communications and networking can be considered as a global area of study because:

Due to recent advances in high speed communication networks,the information lag,or the time it takes for information to be disseminated around the world,has been significantly shortened.

The____________ layer of the OSI model is responsible for data format translation.

Which layer of the OSI model is responsible for ensuring flow control so that the destination station does not receive more packets that it can process at any given time?

How do LANs differ from MANs,WANs,and BNs?

In the Internet model,the application layer corresponds to the ________,layer(s)s of the OSI model.

Which is not a function of the physical layer:

Common carriers include the RBOCs,IXCs,and Cable TV companies.

What is VOIP? What are some examples of companies that provide VOIP as a service to their customers?

What are the three basic hardware components for a data communication network? Describe the functions of these.

Discuss the technological progression of information systems from the 1950s to the present,with a particular focus on the evolution of networks and data networking.

Name two Regional Bell Operating Companies.Which ones provide services in your area? What is an RBOC? What do you forecast will happen to the RBOC's as deregulation continues to seep into the local loop?

The primary reason for networking standards is to:

The function of the file server is to :

In 1970,a key decision regarding MCI:

The specification stage of the de juro standardization process consists of developing nomenclature and identifying the problems to be addressed.

An intranet is a LAN that uses Internet technologies and is publicly available to people outside of the organization.

Application Layer

Physical Layer

Data Link Layer

Network and Transport Layers

Wired and Wireless LANs

Backbone Networks

Wide Area Networks

The Internet

Network Security

Network Design

Network Management

Filters