Question 1

Suppose you use the URLGet program in Section 23.5 to get a web page from a server that does not exist, such as http://wombat.java/index.html.What will happen?

Accepted Answer

A) The call to the URL constructor will throw an exception. 
B) The call to getResponseCode will throw an exception. 
C) The call to getResponseCode will return the error code 404. 
D) The call to getInputStream will throw an exception. 
A) The call to the URL constructor will throw an exception. 
B) The call to getResponseCode will throw an exception. 
C) The call to getResponseCode will return the error code 404. 
D) The call to getInputStream will throw an exception.

Question 2

__________________ is the protocol that defines communication between Web browsers and Web servers.

Accepted Answer

A) TCP/IP 
B) Telnet 
C) HTTP 
D) IP 
A) TCP/IP 
B) Telnet 
C) HTTP 
D) IP

Question 3

If a computer wants to request information from gateway.com, it must first ask a(n) ____ server to translate the domain name into a numeric Internet address.

Accepted Answer

A) DNS 
B) socket 
C) URL 
D) IP 
A) DNS 
B) socket 
C) URL 
D) IP

Question 4

What does the acronym SMTP stand for?

Accepted Answer

A) Simple Mail Transfer Protocol 
B) Small Mail Transport Protocol 
C) Simple Mail Transport Protocol 
D) Small Mail Transfer Protocol 
A) Simple Mail Transfer Protocol 
B) Small Mail Transport Protocol 
C) Simple Mail Transport Protocol 
D) Small Mail Transfer Protocol

Question 5

Which of the following is true about web servers?

Accepted Answer

A) Servers know how to display HTML documents 
B) Servers know nothing about HTML 
C) Servers know how to issue HTTP commands 
D) Servers describes the structure of a document 
A) Servers know how to display HTML documents 
B) Servers know nothing about HTML 
C) Servers know how to issue HTTP commands 
D) Servers describes the structure of a document

Question 6

Which code creates a server socket on port PORT_NUMBER and listens for a connection?

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 7

The HTTP command GET ____________.

Accepted Answer

A) returns the requested item. 
B) supplies input to a server-side command. 
C) requests input from the server-side command. 
D) supplies input to a client-side command. 
A) returns the requested item. 
B) supplies input to a server-side command. 
C) requests input from the server-side command. 
D) supplies input to a client-side command.

Question 8

The HTTP response code 404 means _______________.

Accepted Answer

A) the response is successful. 
B) the page is found successfully. 
C) the page was not found. 
D) the connection is lost. 
A) the response is successful. 
B) the page is found successfully. 
C) the page was not found. 
D) the connection is lost.

Question 9

What would the getResponseCode return if the response was successful?

Accepted Answer

A) 101 
B) 404 
C) 200 
D) 201 
A) 101 
B) 404 
C) 200 
D) 201

Question 10

The ______ method of the ServerSocket class waits for a client connection.

Accepted Answer

A) wait() 
B) connect() 
C) accept() 
D) next() 
A) wait() 
B) connect() 
C) accept() 
D) next()

Question 11

The term _____________ data refers to the data that describe how to reach the intended recipient and how to check for errors and data loss in the transmission.

Accepted Answer

A) packet 
B) socket 
C) application data 
D) network protocol 
A) packet 
B) socket 
C) application data 
D) network protocol

Question 12

_____________ attempts reliable delivery of data, with retries if there are failures.It also notifies the sender whether or not the attempt succeeded.

Accepted Answer

A) IP 
B) FTP 
C) HTTP 
D) TCP 
A) IP 
B) FTP 
C) HTTP 
D) TCP

Question 13

What does TCP/IP stand for?

Accepted Answer

A) Transmission Control and Internet Protocol. 
B) Transmission Control Protocol and Internet Protocol. 
C) Transmission Protocol and Internet Protocol. 
D) Transmission Control Protocol over Internet Protocol. 
A) Transmission Control and Internet Protocol. 
B) Transmission Control Protocol and Internet Protocol. 
C) Transmission Protocol and Internet Protocol. 
D) Transmission Control Protocol over Internet Protocol.

Question 14

The HTTP command DELETE ____________.

Accepted Answer

A) deletes two items, an item on the server and an item from the client. 
B) deletes an item from the client. 
C) deletes an item on the server. 
D) deletes input from a client-side command. 
A) deletes two items, an item on the server and an item from the client. 
B) deletes an item from the client. 
C) deletes an item on the server. 
D) deletes input from a client-side command.

Question 15

The HTTP command PUT ____________.

Accepted Answer

A) returns the requested item. 
B) stores an item on the client. 
C) stores an item on the server. 
D) supplies input to a client-side command. 
A) returns the requested item. 
B) stores an item on the client. 
C) stores an item on the server. 
D) supplies input to a client-side command.

Question 16

Sending commands over a socket connection is ___________.

Accepted Answer

A) a high-level approach. 
B) a Medium-level approach. 
C) a low-level approach. 
D) a complex approach. 
A) a high-level approach. 
B) a Medium-level approach. 
C) a low-level approach. 
D) a complex approach.

Question 17

Which of the following statements is correct?

Accepted Answer

A) HTML is a protocol that describes the command set for web server requests. 
B) Web servers know how to display HTML documents. 
C) Web servers know how to issue HTTP commands. 
D) The Telnet program is not a browser and does not understand HTML tags. 
A) HTML is a protocol that describes the command set for web server requests. 
B) Web servers know how to display HTML documents. 
C) Web servers know how to issue HTTP commands. 
D) The Telnet program is not a browser and does not understand HTML tags.

Question 18

The ____________ translates domain names into Internet addresses.

Accepted Answer

A) DSN 
B) DNIP 
C) DNS 
D) TCP 
A) DSN 
B) DNIP 
C) DNS 
D) TCP

Question 19

_______ ________ was developed to enable different local area networks to communicate with each other and has become the basis for connecting computers around the world over the Internet.

Accepted Answer

A) TCP 
B) IP 
C) FTP 
D) HTTP 
A) TCP 
B) IP 
C) FTP 
D) HTTP

Question 20

In a communication protocol, can the sender indicate how many bytes are contained in the request?

Accepted Answer

A) Yes, the web server does that at the end of the GET request. 
B) Yes, the web browser does that in POST request. 
C) Yes, the web browser does that at the end of the HTTP header. 
D) No, the sender can't indicate how many bytes are contained in the request. 
A) Yes, the web server does that at the end of the GET request. 
B) Yes, the web browser does that in POST request. 
C) Yes, the web browser does that at the end of the HTTP header. 
D) No, the sender can't indicate how many bytes are contained in the request.

Exam 23: Internet Networking

Suppose you use the URLGet program in Section 23.5 to get a web page from a server that does not exist, such as http://wombat.java/index.html.What will happen?

__________________ is the protocol that defines communication between Web browsers and Web servers.

If a computer wants to request information from gateway.com, it must first ask a(n) ____ server to translate the domain name into a numeric Internet address.

What does the acronym SMTP stand for?

Which of the following is true about web servers?

Which code creates a server socket on port PORT_NUMBER and listens for a connection?

The HTTP command GET ____________.

The HTTP response code 404 means _______________.

What would the getResponseCode return if the response was successful?

The ______ method of the ServerSocket class waits for a client connection.

The term _____________ data refers to the data that describe how to reach the intended recipient and how to check for errors and data loss in the transmission.

_____________ attempts reliable delivery of data, with retries if there are failures.It also notifies the sender whether or not the attempt succeeded.

What does TCP/IP stand for?

The HTTP command DELETE ____________.

The HTTP command PUT ____________.

Sending commands over a socket connection is ___________.

Which of the following statements is correct?

The ____________ translates domain names into Internet addresses.

_______ ________ was developed to enable different local area networks to communicate with each other and has become the basis for connecting computers around the world over the Internet.

In a communication protocol, can the sender indicate how many bytes are contained in the request?

Introduction

Using Objects

Implementing Classes

Fundamental Data Types

Decisions

Loops

Arrays and Array Lists

Designing Classes

Inheritance

Interfaces

Input/Output and Exception Handling

Object-Oriented Design

Recursion

Sorting and Searching

The Java Collections Framework

Basic Data Structures

Tree Structures

Generic Classes

Stream Processing

Graphical User Interfaces

Advanced Input/Output

Multithreading

Relational Databases

XML

Filters

_ __ was developed to enable different local area networks to communicate with each other and has become the basis for connecting computers around the world over the Internet.