question 1a jsp expression can contain any java

Question

Question 1

A JSP expression can contain any Java expression that evaluates to a

Question 1 options:

• String object
• Java object
• primitive type
• primitive type or Java object

Question 2

Which of the following JSP expressions is valid?

Question 2 options:

• <%= request.getParameter("occupation"); %>
• <%= request.getParameter("occupation") %>
• <%= String occupation = request.getParameter("occupation"); %>
• <%= String occupation = request.getParameter("occupation") %>
• None of the above

Question 3

The following code
<%
String[] mailTypes = request.getParameterValues("mail");
%>
Question 3 options:

• returns the name of all request parameters from the mail.jsp page
• returns the first value of the mail parameter or null if none exist
• returns all values of the mail parameter or null if none exist
• returns the values of all request parameters from the mail.jsp page is invalid

Question 4

In general, you should use the Post method instead of the Get method when

Question 4 options:

• the request writes data to the server
• the request reads data from the server
• you want users to be able to include parameters in their bookmarks
• when you're transferring 4 KB or less of data

Question 5

To use your own Java class in a JSP, you can import the class with a

Question 5 options:

• JSP scriptlet
• JSP expression
• JSP directive
• JSP declaration

Question 6

Which of the following is a valid JSP comment?

Question 6 options:

• // comment
• <%-- comment --%>

Question 7

In the code that follows, the numOfErrors variable

<%! int numOfErrors = 1; %>

Question 7 options:

• is initialized each time the page is requested
• is an instance variable that is not thread-safe
• is ignored by the JSP engine
• is invalid JSP code

Question 8

When a JSP is requested for the first time, the JSP engine does all but one of the following. Which one is it?

Question 8 options:

• generates a servlet for the JSP
• generates the HTML code for the JSP
• creates one instance of the servlet class
• creates one thread

Question 9

When a JSP is requested for the second time, the JSP engine

Question 9 options:

• creates a thread that has its own copy of the instance variables
• creates a thread that has its own copy of the local variables
• creates an instance of the JSP that has its own copy of the instance variables
• creates an instance of the JSP that has its own copy of the local variables

Question 10

A scriptlet contains one or __________ statements.

Question 10 options:

• HTML
• Java
• XML
• web server

Question 11

To access information about the parameters that are sent to a JSP, you can use the methods of the ___________ object.

Question 11 options:

• database
• responsse
• request
• JSP

Question 12

You can use getRealPath method of a/an ____________ object to get the absolute path to a file that's part of a web application.

Question 12 options:

• ServletContext
• input
• container
• explicit

Question 13

To ensure that parameter values aren't displayed in the URL when a JSP is requested, you should use the _____________ method in the Form tag.

Question 13 options:

• Get
• Post
• JSP
• action

Question 14

If you use instance variables in a JSP, two or more _______________ may conflict when they try to read, modify, or update the same instance variable at the same time.

Question 14 options:

• users
• servers
• applications
• threads

Question 15

If you attempt to run a JSP that contains a coding error, the ____________ will display an error page.

Question 15 options:

• user
• JSP engine
• JVM
• servlet

Question 16

The ___________ attribute in an HTML form tag may specify the JSP url for a user request.

Question 16 options:

• method
• action
• type
• name

Question 17

Text fields inside an HTML form may become ______________ for a JSP when the form is submitted

Question 17 options:

• directives
• outputs
• parameters
• styles

Question 18

JSP expressions are used to display __________.

Question 18 options:

• text
• objects
• access codes
• numerical values only

Question 19

If you pass parameters in a JSP request that total more than 4KB, then you must use a ____________ method.

Question 19 options:

• Trace
• priority
• Get
• Post

Question 20

If you use an HTML "A" tag to call a JSP, the ____________ method is always used.

Question 20 options:

• Post
• Get
• link
• url