Question 1

A successful response has status _______________.

Accepted Answer

A)  200 OK. 
B)  404 OK. 
C)  0 OK. 
D)  100 OK. 
A)  200 OK. 
B)  404 OK. 
C)  0 OK. 
D)  100 OK.

Question 2

A(n) ____ is a pointer to an information resource on the World Wide Web.

Accepted Answer

A)  URL 
B)  socket 
C)  IP address 
D)  domain name 
A)  URL 
B)  socket 
C)  IP address 
D)  domain name

Question 3

The _________ class makes it easy to fetch a file from a web server.

Accepted Answer

A)  FileConnection 
B)  ServerConnection 
C)  ClientConnection 
D)  URLConnection 
A)  FileConnection 
B)  ServerConnection 
C)  ClientConnection 
D)  URLConnection

Question 4

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 5

The ____ is a complex collection of pathways on which a message can travel from one access point to another.

Accepted Answer

A)  IP 
B)  HTTP protocol 
C)  HTML 
D)  Internet 
A)  IP 
B)  HTTP protocol 
C)  HTML 
D)  Internet

Question 6

To close a connection, which of the following statements can you use?

Accepted Answer

A)  URL u = new URL("http://www.yahoo.com");
URLConnection conn = u.close(); 
B)  URL u = new URL(str);
URLConnection conn = new URLConnection(u); 
C)  URL u = new URL(str);
URLConnection conn = u.closeURLConnection(); 
D)  There is no need to close the connection. 
A)  URL u = new URL("http://www.yahoo.com");
URLConnection conn = u.close(); 
B)  URL u = new URL(str);
URLConnection conn = new URLConnection(u); 
C)  URL u = new URL(str);
URLConnection conn = u.closeURLConnection(); 
D)  There is no need to close the connection.

Question 7

A print writer buffers the characters that you send to it. To make sure that the server gets a complete request at a time, you need to ________ the buffer.

Accepted Answer

A)  print 
B)  send 
C)  scan 
D)  flush 
A)  print 
B)  send 
C)  scan 
D)  flush

Question 8

For test protocols, turn the socket streams into:

Accepted Answer

A)  scanners and readers. 
B)  scanners and printers. 
C)  scanners and writers. 
D)  scanners and servers. 
A)  scanners and readers. 
B)  scanners and printers. 
C)  scanners and writers. 
D)  scanners and servers.

Question 9

The ____ is used to download received messages from e-mail servers.

Accepted Answer

A)  SMTP 
B)  TCP 
C)  IP 
D)  POP 
A)  SMTP 
B)  TCP 
C)  IP 
D)  POP

Question 10

Write a code fragment that connects to a server running on gorge.divms.uiowa.edu at port 2345 and sends the message "Hello server" to the server and then reads the one-line response from the server.

Accepted Answer

A)  Socket sock = new Socket(2345, gorge.divms.uiowa.edu);
PrintWriter pw = new PrintWriter(sock.getOutputStream());
Pw)println("Hello server");
Pw)flush();
String line = scan.nextLine();
Scanner scan = new Scanner(sock.getInputStream()); 
B)  Socket sock = new Socket(gorge.divms.uiowa.edu);
PrintWriter pw = new PrintWriter(sock.getOutputStream(), 2345);
Pw)println("Hello server");
Pw)flush();
Scanner scan = new Scanner(sock.getInputStream());
String line = scan.nextLine(); 
C)  Socket sock = new Socket(gorge.divms.uiowa.edu, 2345);
PrintWriter pw = new PrintWriter(sock.getOutputStream());
Pw)println("Hello server");
Pw)flush();
Scanner scan = new Scanner(sock.getInputStream());
String line = scan.nextLine(); 
D)  Socket sock = new Socket(gorge.divms.uiowa.edu, 2345);
PrintWriter pw = new PrintWriter(sock.getInputStream());
Pw)println("Hello server");
Pw)flush();
Scanner scan = new Scanner(sock.getOutputStream());
String line = scan.nextLine(); 
A)  Socket sock = new Socket(2345, gorge.divms.uiowa.edu);
PrintWriter pw = new PrintWriter(sock.getOutputStream());
Pw)println("Hello server");
Pw)flush();
String line = scan.nextLine();
Scanner scan = new Scanner(sock.getInputStream()); 
B)  Socket sock = new Socket(gorge.divms.uiowa.edu);
PrintWriter pw = new PrintWriter(sock.getOutputStream(), 2345);
Pw)println("Hello server");
Pw)flush();
Scanner scan = new Scanner(sock.getInputStream());
String line = scan.nextLine(); 
C)  Socket sock = new Socket(gorge.divms.uiowa.edu, 2345);
PrintWriter pw = new PrintWriter(sock.getOutputStream());
Pw)println("Hello server");
Pw)flush();
Scanner scan = new Scanner(sock.getInputStream());
String line = scan.nextLine(); 
D)  Socket sock = new Socket(gorge.divms.uiowa.edu, 2345);
PrintWriter pw = new PrintWriter(sock.getInputStream());
Pw)println("Hello server");
Pw)flush();
Scanner scan = new Scanner(sock.getOutputStream());
String line = scan.nextLine();

Question 11

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 12

To kill a server that was started in a shell window, ________.

Accepted Answer

A)  press Ctrl+C 
B)  press Ctrl+Z 
C)  call the kill method 
D)  servers don't stop. 
A)  press Ctrl+C 
B)  press Ctrl+Z 
C)  call the kill method 
D)  servers don't stop.

Question 13

A thread dies ______________

Accepted Answer

A)  when the client quits or disconnects. 
B)  when the run method exits. 
C)  when the client quits or disconnects and/or when the run method exits. 
D)  the thread runs forever in the background. 
A)  when the client quits or disconnects. 
B)  when the run method exits. 
C)  when the client quits or disconnects and/or when the run method exits. 
D)  the thread runs forever in the background.

Question 14

The numbers 130.65.86.66 denote a(n) ____________________.

Accepted Answer

A)  TCP address 
B)  IP address 
C)  URL address 
D)  FTP address 
A)  TCP address 
B)  IP address 
C)  URL address 
D)  FTP address

A successful response has status _______________.

A(n) ____ is a pointer to an information resource on the World Wide Web.

The _________ class makes it easy to fetch a file from a web server.

The HTTP command PUT ____________.

The ____ is a complex collection of pathways on which a message can travel from one access point to another.

To close a connection, which of the following statements can you use?

A print writer buffers the characters that you send to it. To make sure that the server gets a complete request at a time, you need to ________ the buffer.

For test protocols, turn the socket streams into:

The ____ is used to download received messages from e-mail servers.

Write a code fragment that connects to a server running on gorge.divms.uiowa.edu at port 2345 and sends the message "Hello server" to the server and then reads the one-line response from the server.

The HTTP response code 404 means _______________.

To kill a server that was started in a shell window, ________.

A thread dies ______________

The numbers 130.65.86.66 denote a(n) ____________________.

Introduction

Using Objects

Implementing Classes

Fundamental Data Types

Decisions

Loops

Arrays and Array Lists

Designing Classes

Inheritance

Interfaces

Inputoutput and Exception Handling

Object-Oriented Design

Recursion

Sorting and Searching

The Java Collections Framework

Basic Data Structures

Tree Structures

Generic Classes

Graphical User Interfaces

Streams and Binary Inputoutput

Multithreading

Relational Databases

XML

Web Applications

Filters

Exam 22: Internet Networking

A successful response has status _______________.

A(n) ____ is a pointer to an information resource on the World Wide Web.

The _________ class makes it easy to fetch a file from a web server.

The HTTP command PUT ____________.

The ____ is a complex collection of pathways on which a message can travel from one access point to another.

To close a connection, which of the following statements can you use?

A print writer buffers the characters that you send to it. To make sure that the server gets a complete request at a time, you need to ________ the buffer.

For test protocols, turn the socket streams into:

The ____ is used to download received messages from e-mail servers.

Write a code fragment that connects to a server running on gorge.divms.uiowa.edu at port 2345 and sends the message "Hello server" to the server and then reads the one-line response from the server.

The HTTP response code 404 means _______________.

To kill a server that was started in a shell window, ________.

A thread dies ______________

The numbers 130.65.86.66 denote a(n) ____________________.

Introduction

Using Objects

Implementing Classes

Fundamental Data Types

Decisions

Loops

Arrays and Array Lists

Designing Classes

Inheritance

Interfaces

Inputoutput and Exception Handling

Object-Oriented Design

Recursion

Sorting and Searching

The Java Collections Framework

Basic Data Structures

Tree Structures

Generic Classes

Graphical User Interfaces

Streams and Binary Inputoutput

Multithreading

Relational Databases

XML

Web Applications

Filters