Deck 3: Java Server Pages JSP and Java Script

Question 1

Which of the following are examples of JSP directive? Select the two correct answers.

A) include
B) exclude
C) import
D) taglibrary

Answer 1

include

Question 2

A JSP page uses the java. util. ArrayList class many times. Instead of referring the class by its complete package name each time, we want to just use ArrayList. Which attribute of page directive must be specified to achieve this? Select the one correct answer.

A) extends
B) import
C) include
D) package

Answer 2

import

Question 3

A JSP page needs to generate an XML file. Which attribute of page directive may be used to specify that the JSP page is generating an XML file?

A) contentType
B) generateXML
C) type
D) outputXML

Answer 3

contentType

Question 4

JSP pages have access to implicit objects that are exposed automatically. Name the implicit object that is of type HttpSession.

A) session
B) application
C) httpSession
D) httpsession

Question 5

JSP pages have access to implicit objects that are exposed automatically. One such object that is available is request. The request object is an instance of which class?

A) HttpRequest
B) ServletRequest
C) Request
D) HttpServletRequest

Question 6

What is the limitation of creating ActionServlet instances per web application?

A) Two
B) Three
C) Unlimited
D) One

Question 7

ActionServlet, RequestProcessor and Action classes are the components of

A) View
B) Model
C) Deployment
D) Controller

Question 8

Which of the java bean tags is used to show the bean value on the web page?

A) < bean:define>
B) < bean:message>
C) < bean:show>
D) < bean:write>

Question 9

Which of the following are server side programming languages?
1) HTML
2) JavaScript
3) JSP
4) Sevlets

A) 1,2,3,4
B) 1,2
C) 3,4
D) None

Question 10

What JSP is basically used today?

A) To make controller
B) To make GUI
C) In writing business logic
D) Deprecated

Question 11

What is the purpose of <noscript> tag in Java Script?

A) Prevents scripts on the page from executing.
B) Enclose text to be displayed by non -JavaScript browsers.
C) Suppresses the result to be displayed on the web page.
D) None of the above.

Question 12

Java Script entities start with ___________and end with _____________

A) Semicolon, colon
B) Semicolon, Ampersand
C) Ampersand, colon
D) Ampersand, semicolon.

Question 13

Which of the following is a server-side Java Script object?

A) Function
B) File
C) FileUpload
D) Date

Question 14

Which of the following is a client-side Java Script object?

A) Function
B) File
C) FileUpload
D) Date

Question 15

Which of the following is the correct way for writing Java Script array?

A) var salaries = new Array(1:39438, 2:39839 3:83729)
B) var salaries = new (Array1=39438, Array 2=39839 Array 3=83729)
C) var salaries = new Array(39438, 39839,83729)
D) var salaries = new Array() values = 39438, 39839 83729

Question 16

Which of the following syntax is correct to refer an external script called "formValidation. js"?

A) <script href = "formValidation. js">
B) <script source = "formValidation. js">
C) <script name = "formValidation. js">
D) <script src = "formValidation. js">

Question 17

What is the alternate name for Java script?

A) LimeScript
B) Both a and d
C) ECMScript
D) ECMAScript

Question 18

What type of image map could be used with Java Script?

A) Client-side image maps
B) Server-side image maps.
C) Both A and B
D) Localhost image maps

Question 19

Which of the following are capable of Java Script functions?

A) Returning multiple values
B) Accepting parameters and returning values
C) Accepting parameters
D) All choices are correct

Question 20

Which of the following is not a valid JavaScript variable name?

A) 2java
B) _java_and_java_names
C) Javaandjava
D) None of the above

Question 21

What java wrapper type is created when a JavaScript object is sent to Java?

A) ScriptObject
B) JavaObject
C) Jobject
D) JSObject

Question 22

Which of the following is correct to write "Hello World " on the web page?

A) System. out. println("Hello World")
B) print("Hello World")
C) document. write("Hello World")
D) response. write("Hello World")

Question 23

How does Java Script store dates in objects of Date type?

A) The number of days since 1st, 1900
B) The number of seconds since January 1st, 1970
C) The number of milliseconds since January 1st, 1970
D) The number of picoseconds since January 1st, 1970

Question 24

Which attribute needs to be changed to make elements invisible?

A) Visibility
B) Visible
C) Invisibility
D) Invisible

Question 25

Which machine actually executed the Java Script?

A) The web server
B) The machine which is running a web server.
C) Java Script engine
D) Both A and C