How many simultaneous connections can be opened using TCP and UDP ports?

• A) 128
• B) 64k
• C) 64
• D) 128k

Which Java package is used for socket programming?

• A) java.net
• B) java.sql
• C) java.util
• D) java.lang

Timers are constructed by specifying both a delay parameter and a/an _________ Listener.

• A) Action
• B) Key
• C) Mouse
• D) Window

Which method of ServerSocket class is used to accept incoming client connections in Java?

• A) connect()
• B) open()
• C) bind()
• D) accept()

Which keyword is used in Java to mark fields that should not be serialized?

• A) transient
• B) final
• C) static
• D) volatile

How many ports are available for UDP socket?

• A) 64
• B) 128
• C) 128k
• D) 64k

In order to include graphics in your Java program, it is mandatory to extend from _________ class.

• A) JFrame
• B) JLabel
• C) JPanel
• D) JButton

Which of the following methods takes the place of constructor in an Applet?

• A) main()
• B) init()
• C) start()
• D) run()

FTP (File Transmission Protocol) works on _________ port.

• A) 23
• B) 21
• C) 80
• D) 84

In Java Graphics, while painting a swing component, which of the following functions is invoked first?

• A) paintComponet( )
• B) paint( )
• C) paintBorder( )
• D) paintChildern( )

Which method is called when an applet is about to be removed from memory?

• A) stop()
• B) destroy()
• C) start()
• D) init()

A port is a __________________ to which processes can listen for connections request.

• A) Local Address
• B) Transport Address
• C) Client Address
• D) Server Address

An applet can be defined as:

• A) A small program written in JSF and included in an HTML page
• B) A small program written in JSP and included in an HTML page
• C) A small program written in Java and included in an HTML page
• D) A small program written in Servlet and included in an HTML page

Which of the following statements is true regarding paintChildren() method?

• A) It first paints the background and then performs custom painting.
• B) It tells any components contained by this component to paint themselves.
• C) It tells the component to paint its border.
• D) It first performs custom painting and then paints the background.

Which of the following is the correct syntax to make a PersonInfo class into a Serializable class?

• A) public class PersonInfo imports Serializable { /* class body */}
• B) public class PersonInfo includes Serializable { /* class body */}
• C) public class PersonInfo extends Serializable { /* class body */}
• D) public class PersonInfo implements Serializable { /* class body */}

If a JPanel has a triangle drawn on it then which of the following methods will display it?

• A) paintChildern( )
• B) paintBorder( )
• C) paint( )
• D) paintComponet( )

Which of the following is NOT true about paintComponent( ) method?

• A) Tells the components border (if any) to paint.
• B) It is a main method for painting
• C) It performs custom painting (drawing circle, rectangles etc.)
• D) By default, it first paints the background

The newly created thread can be moved to "Ready State" by calling _______________ method.

• A) start()
• B) wait()
• C) sleep()
• D) yield()

Inside <servlet-mapping> tag, first write _____________ of the servlet using ______________ tag in web.xml.

• A) class, <servlet-class>
• B) url, <url-pattern>
• C) name, <servlet-name>
• D) url, <servlet-url>

The webapps folder is the _______ Tomcat directory that contains all the web applications deployed on the server.

• A) mid-level
• B) bottom-level
• C) least-level
• D) top-level