Question 1

Networks that are designed to connect similar computers that share data and software with each other are called:

Accepted Answer

A)  client/server networks 
B)  peer-to-peer networks 
C)  host networks 
D)  client networks 
E)  local area networks 
A)  client/server networks 
B)  peer-to-peer networks 
C)  host networks 
D)  client networks 
E)  local area networks

Question 2

Which of the following is not an important future trend in communication and networking?

Accepted Answer

A)  development of online batch systems 
B)  integration of voice, video, and data 
C)  pervasive networking 
D)  provision of new information services on rapidly expanding networks 
E)  development of extremely high speed broadband networks 
A)  development of online batch systems 
B)  integration of voice, video, and data 
C)  pervasive networking 
D)  provision of new information services on rapidly expanding networks 
E)  development of extremely high speed broadband networks

Question 3

A metropolitan area network is:

Accepted Answer

A)  a high speed central network, built with privately owned media, which 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 that spans a geographical area that usually encompasses a city or county area (3 to 30 miles) and that typically uses common carrier circuits. 
D)  a network spanning a large geographical area (up to 1000s of miles). 
E)  a network spanning exactly 543.56 miles with private media. 
A)  a high speed central network, built with privately owned media, which 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 that spans a geographical area that usually encompasses a city or county area (3 to 30 miles) and that typically uses common carrier circuits. 
D)  a network spanning a large geographical area (up to 1000s of miles). 
E)  a network spanning exactly 543.56 miles with private media.

Question 4

What are three of the largest inter-exchange carriers (IXCs)in North America?

Accepted Answer

Three of the largest inter-exchange carr

Question 5

Which of the following is not a function of the data link layer?

Accepted Answer

A)  deciding when to transmit messages over the media 
B)  formatting the message by indicating where messages start and end, and which part is the address 
C)  detecting and correcting any errors that have occurred in the transmission of the message 
D)  specifying the type of connection, and the electrical signals, radio waves, or light pulses that pass through it 
E)  controlling the physical layer by determining when to transmit 
A)  deciding when to transmit messages over the media 
B)  formatting the message by indicating where messages start and end, and which part is the address 
C)  detecting and correcting any errors that have occurred in the transmission of the message 
D)  specifying the type of connection, and the electrical signals, radio waves, or light pulses that pass through it 
E)  controlling the physical layer by determining when to transmit

Question 6

What is the difference between an extranet and intranet?Draw a picture of each,and discuss the diagram.

Accepted Answer

An intranet is a private network within

Question 7

Which of the following is not true about de facto standards?

Accepted Answer

A)  They never evolve into de juro standards. 
B)  They are those standards that emerge in the marketplace. 
C)  They tend not to be developed by an official industry or government body. 
D)  They are generally supported by more than one vendor but de facto standards have no official standing. 
E)  They tend to emerge based upon the needs/response of the marketplace. 
A)  They never evolve into de juro standards. 
B)  They are those standards that emerge in the marketplace. 
C)  They tend not to be developed by an official industry or government body. 
D)  They are generally supported by more than one vendor but de facto standards have no official standing. 
E)  They tend to emerge based upon the needs/response of the marketplace.

Question 8

ANSI is a voting participant in the ISO.

Accepted Answer

A) True 
 B)False

Question 9

The _________ layer performs error checking which is redundant with the function of the _________ layer.

Accepted Answer

A)  application, presentation 
B)  physical, data link 
C)  transport, data link 
D)  presentation, transport 
E)  network, physical 
A)  application, presentation 
B)  physical, data link 
C)  transport, data link 
D)  presentation, transport 
E)  network, physical

Question 10

The first electronic data communication system was the telephone developed by Alexander Graham Bell.

Accepted Answer

A) True 
 B)False

Question 11

Compare and contrast a backbone network (BN),a LAN,a WAN and a MAN.Sketch these networks using the book diagram as a guide.Do most organizations build WANs?

Accepted Answer

A backbone network (BN) is a high-speed

Question 12

__________ ensure that hardware and software produced by different vendors work together.

Accepted Answer

A)  Delimiters 
B)  Standards 
C)  ASPs 
D)  RBOCs 
E)  Intranets 
A)  Delimiters 
B)  Standards 
C)  ASPs 
D)  RBOCs 
E)  Intranets

Question 13

The American National Standards Institute:

Accepted Answer

A)  is the coordinating organization for the United States' national system of standards 
B)  is a professional society in the U.S. whose standards committees focus on local area network standards 
C)  sets the standards that govern how much of the Internet will operate 
D)  is an agency that develops federal information processing standards for the federal government 
E)  makes technical recommendations about global telephone rates 
A)  is the coordinating organization for the United States' national system of standards 
B)  is a professional society in the U.S. whose standards committees focus on local area network standards 
C)  sets the standards that govern how much of the Internet will operate 
D)  is an agency that develops federal information processing standards for the federal government 
E)  makes technical recommendations about global telephone rates

Question 14

Passive optical networking,a key trend for the future,means that virtually any computer will be able to communicate with any other computer in the world.

Accepted Answer

A) True 
 B)False

Question 15

Data communication standards enable each layer in the sending computer to communicate with its corresponding layer in the receiving computer.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following is a term used to group together the physical and data link layers?

Accepted Answer

A)  Internetwork layers 
B)  Hardware layers 
C)  Software layers 
D)  Middleware layers 
E)  Application layers 
A)  Internetwork layers 
B)  Hardware layers 
C)  Software layers 
D)  Middleware layers 
E)  Application layers

Question 17

How are Internet standards developed?What is a defacto standard.

Accepted Answer

The answer of How are Internet standards developed?What is a...

Question 18

___________ is an orderly close to a dialogue between end users.

Accepted Answer

A)  Session termination 
B)  Physical bits 
C)  Frame overhead 
D)  Packet encapsulation 
E)  Message encryption 
A)  Session termination 
B)  Physical bits 
C)  Frame overhead 
D)  Packet encapsulation 
E)  Message encryption

Question 19

What are the seven layers of the OSI model and what does each of these layers do?How does the OSI model compare to the network model?What does OSI stand for,and who developed this model?

Accepted Answer

The seven layers of the OSI (Open System

Question 20

The network layer is responsible for routing messages from the source computer to the destination computer.

Accepted Answer

A) True 
 B)False

Networks that are designed to connect similar computers that share data and software with each other are called:

Which of the following is not an important future trend in communication and networking?

A metropolitan area network is:

What are three of the largest inter-exchange carriers (IXCs)in North America?

Which of the following is not a function of the data link layer?

What is the difference between an extranet and intranet?Draw a picture of each,and discuss the diagram.

Which of the following is not true about de facto standards?

ANSI is a voting participant in the ISO.

The _ layer performs error checking which is redundant with the function of the _ layer.

The first electronic data communication system was the telephone developed by Alexander Graham Bell.

Compare and contrast a backbone network (BN),a LAN,a WAN and a MAN.Sketch these networks using the book diagram as a guide.Do most organizations build WANs?

__________ ensure that hardware and software produced by different vendors work together.

The American National Standards Institute:

Passive optical networking,a key trend for the future,means that virtually any computer will be able to communicate with any other computer in the world.

Data communication standards enable each layer in the sending computer to communicate with its corresponding layer in the receiving computer.

Which of the following is a term used to group together the physical and data link layers?

How are Internet standards developed?What is a defacto standard.

___________ is an orderly close to a dialogue between end users.

What are the seven layers of the OSI model and what does each of these layers do?How does the OSI model compare to the network model?What does OSI stand for,and who developed this model?

The network layer is responsible for routing messages from the source computer to the destination computer.

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

Networks that are designed to connect similar computers that share data and software with each other are called:

Which of the following is not an important future trend in communication and networking?

A metropolitan area network is:

What are three of the largest inter-exchange carriers (IXCs)in North America?

Which of the following is not a function of the data link layer?

What is the difference between an extranet and intranet?Draw a picture of each,and discuss the diagram.

Which of the following is not true about de facto standards?

ANSI is a voting participant in the ISO.

The _________ layer performs error checking which is redundant with the function of the _________ layer.

The first electronic data communication system was the telephone developed by Alexander Graham Bell.

Compare and contrast a backbone network (BN),a LAN,a WAN and a MAN.Sketch these networks using the book diagram as a guide.Do most organizations build WANs?

__________ ensure that hardware and software produced by different vendors work together.

The American National Standards Institute:

Passive optical networking,a key trend for the future,means that virtually any computer will be able to communicate with any other computer in the world.

Data communication standards enable each layer in the sending computer to communicate with its corresponding layer in the receiving computer.

Which of the following is a term used to group together the physical and data link layers?

How are Internet standards developed?What is a defacto standard.

___________ is an orderly close to a dialogue between end users.

What are the seven layers of the OSI model and what does each of these layers do?How does the OSI model compare to the network model?What does OSI stand for,and who developed this model?

The network layer is responsible for routing messages from the source computer to the destination computer.

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

The _ layer performs error checking which is redundant with the function of the _ layer.