Question 1

Describe how mail user agents and message transfer agents work together to transfer mail messages, including a diagram.

Accepted Answer

Mail user agents (MUAs) and message tran

Question 2

Discuss the functions of a web browser.Describe two web browsers.What was the first graphical Web browser? What are three search engines that you might use to find information on the Internet?

Accepted Answer

A web browser is a software application

Question 3

How are the application architecture functions split up in a client-server network?

Accepted Answer

A) the presentation logic and data storage are on the client, while the data access logic is on the server 
B) the data storage, data access, and presentation logic are on the client 
C) the presentation logic is on the client, while the data storage and data access logic are on the server 
D) the data storage and data access logic are on the client, while the presentation logic are on the server 
E) the presentation logic and data access logic are on the client, and the data storage is on the server 
A) the presentation logic and data storage are on the client, while the data access logic is on the server 
B) the data storage, data access, and presentation logic are on the client 
C) the presentation logic is on the client, while the data storage and data access logic are on the server 
D) the data storage and data access logic are on the client, while the presentation logic are on the server 
E) the presentation logic and data access logic are on the client, and the data storage is on the server

Question 4

_________ is a special type of one directional; videoconferencing in which content is sent from the server to the user.

Accepted Answer

A) broadcasting 
B) instant messaging 
C) webcasting 
D) H.323 
E) Net Meeting. 
A) broadcasting 
B) instant messaging 
C) webcasting 
D) H.323 
E) Net Meeting.

Question 5

A "thick client" architecture approach:

Accepted Answer

A) always is a two-tier network architecture 
B) always is an n-tiered architecture 
C) places all or almost all of the application logic on the client 
D) places all or almost all of the application logic on the server 
E) refers to the size of the cable connecting the clients to the network 
A) always is a two-tier network architecture 
B) always is an n-tiered architecture 
C) places all or almost all of the application logic on the client 
D) places all or almost all of the application logic on the server 
E) refers to the size of the cable connecting the clients to the network

Question 6

What technique is used by most videoconferencing applications to reduce the amount of data being transmitted?

Accepted Answer

A) hashing 
B) encryption 
C) authentication 
D) identification 
E) compression 
A) hashing 
B) encryption 
C) authentication 
D) identification 
E) compression

Question 7

There are optional and required parts of an HTTP request.They are:

Accepted Answer

A) request address, request body 
B) request address, request header, request body 
C) request line, request header 
D) request line, request body 
E) request line, request header, request body 
A) request address, request body 
B) request address, request header, request body 
C) request line, request header 
D) request line, request body 
E) request line, request header, request body

Question 8

Which of the following is not a general function by any application program?

Accepted Answer

A) data storage 
B) data access logic 
C) application logic 
D) presentation logic 
E) application access storage 
A) data storage 
B) data access logic 
C) application logic 
D) presentation logic 
E) application access storage

Question 9

In a two-tier client-server architecture, a client computer needs to use an application layer software package called a ________________ to send e-mail:

Accepted Answer

A) message transfer agent 
B) router agent 
C) mail user agent 
D) Webcast package 
E) gateway agent 
A) message transfer agent 
B) router agent 
C) mail user agent 
D) Webcast package 
E) gateway agent

Question 10

A ________ is a very large general-purpose computer that is capable of performing very many functions as if these are done simultaneously, and storing extremely large amounts of data.

Accepted Answer

A) workstation 
B) transaction terminal 
C) cluster 
D) mainframe 
E) personal computer 
A) workstation 
B) transaction terminal 
C) cluster 
D) mainframe 
E) personal computer

Question 11

Host-based and client-based networks are similar in that the client computer performs most of the work.

Accepted Answer

A) True 
 B)False

Question 12

One underlying problem with a host-based network is that:

Accepted Answer

A) there are economies of scale because all computer resources are centralized 
B) the server can get overloaded since it must process all messages 
C) the architecture is relatively simple and works well 
D) the server is the one point of control which simplifies security 
E) clients terminals) do not require sophisticated hardware/software because they do not perform most of the work in this type of architecture 
A) there are economies of scale because all computer resources are centralized 
B) the server can get overloaded since it must process all messages 
C) the architecture is relatively simple and works well 
D) the server is the one point of control which simplifies security 
E) clients terminals) do not require sophisticated hardware/software because they do not perform most of the work in this type of architecture

Question 13

The World Wide Web was conceived at University of Utah as part of the development of the Internet.

Accepted Answer

A) True 
 B)False

Question 14

Describe a two-tier, three-tier and n-tier architecture.What is a network architecture? Compare and contrast two-tiered, three-tiered, and n-tiered client server architectures.What are the technical differences and what advantages and disadvantages do each offer? How does a two-tier client server network differ from an n-tier client server network.Describe one advantage and one disadvantage that a three-tier architecture has compared to a two-tier architecture.

Accepted Answer

A network architecture refers to the des

Question 15

What is X.400 and CMC?

Accepted Answer

X.400 and CMC are two different concepts

Question 16

What are the major parts of an email message?

Accepted Answer

An email message typically consists of s

Question 17

________ is the presentation of information to the user and the acceptance of the user's commands.

Accepted Answer

A) data storage 
B) data access logic 
C) application logic 
D) presentation logic 
E) application access storage 
A) data storage 
B) data access logic 
C) application logic 
D) presentation logic 
E) application access storage

Question 18

A request header for an HTTP request starts with a command, such as GET, and ends with the HTTP version number that the browser understands.

Accepted Answer

A) True 
 B)False

Question 19

The idea for a special hypertext network, called the World Wide Web, was conceived of by:

Accepted Answer

A) Microsoft in 1994 as part of the Windows 95 project 
B) Tim Berners-Lee at the European Laboratory for Particle Physics CERN) in 1989 
C) Vinton Cerf, for the U.S.Department of Defense in 1969 as a network of four computers called ARPANET 
D) Howard Flieshman of IBM in 1982 as part of the development of the IBM PC 
E) the University of Minnesota as an extension of Gopher 
A) Microsoft in 1994 as part of the Windows 95 project 
B) Tim Berners-Lee at the European Laboratory for Particle Physics CERN) in 1989 
C) Vinton Cerf, for the U.S.Department of Defense in 1969 as a network of four computers called ARPANET 
D) Howard Flieshman of IBM in 1982 as part of the development of the IBM PC 
E) the University of Minnesota as an extension of Gopher

Question 20

To use the Web, each client computer requires a data link layer software package called a Web browser.

Accepted Answer

A) True 
 B)False

Describe how mail user agents and message transfer agents work together to transfer mail messages, including a diagram.

Discuss the functions of a web browser.Describe two web browsers.What was the first graphical Web browser? What are three search engines that you might use to find information on the Internet?

How are the application architecture functions split up in a client-server network?

_________ is a special type of one directional; videoconferencing in which content is sent from the server to the user.

A "thick client" architecture approach:

What technique is used by most videoconferencing applications to reduce the amount of data being transmitted?

There are optional and required parts of an HTTP request.They are:

Which of the following is not a general function by any application program?

In a two-tier client-server architecture, a client computer needs to use an application layer software package called a ________________ to send e-mail:

A ________ is a very large general-purpose computer that is capable of performing very many functions as if these are done simultaneously, and storing extremely large amounts of data.

Host-based and client-based networks are similar in that the client computer performs most of the work.

One underlying problem with a host-based network is that:

The World Wide Web was conceived at University of Utah as part of the development of the Internet.

What is X.400 and CMC?

What are the major parts of an email message?

________ is the presentation of information to the user and the acceptance of the user's commands.

A request header for an HTTP request starts with a command, such as GET, and ends with the HTTP version number that the browser understands.

The idea for a special hypertext network, called the World Wide Web, was conceived of by:

To use the Web, each client computer requires a data link layer software package called a Web browser.

Introduction to Data Communications

Physical Layer

Data Link Layer

Network and Transport Layers

Network Design

Wired and Wireless Local Area Networks

Backbone Networks

Wide Area Networks

The Internet

Network Security

Network Management

Filters

Exam 2: Application Layer

Describe how mail user agents and message transfer agents work together to transfer mail messages, including a diagram.

Discuss the functions of a web browser.Describe two web browsers.What was the first graphical Web browser? What are three search engines that you might use to find information on the Internet?

How are the application architecture functions split up in a client-server network?

_________ is a special type of one directional; videoconferencing in which content is sent from the server to the user.

A "thick client" architecture approach:

What technique is used by most videoconferencing applications to reduce the amount of data being transmitted?

There are optional and required parts of an HTTP request.They are:

Which of the following is not a general function by any application program?

In a two-tier client-server architecture, a client computer needs to use an application layer software package called a ________________ to send e-mail:

A ________ is a very large general-purpose computer that is capable of performing very many functions as if these are done simultaneously, and storing extremely large amounts of data.

Host-based and client-based networks are similar in that the client computer performs most of the work.

One underlying problem with a host-based network is that:

The World Wide Web was conceived at University of Utah as part of the development of the Internet.

What is X.400 and CMC?

What are the major parts of an email message?

________ is the presentation of information to the user and the acceptance of the user's commands.

A request header for an HTTP request starts with a command, such as GET, and ends with the HTTP version number that the browser understands.

The idea for a special hypertext network, called the World Wide Web, was conceived of by:

To use the Web, each client computer requires a data link layer software package called a Web browser.

Introduction to Data Communications

Physical Layer

Data Link Layer

Network and Transport Layers

Network Design

Wired and Wireless Local Area Networks

Backbone Networks

Wide Area Networks

The Internet

Network Security

Network Management

Filters