CIW Web DevelopER(JCERT) Sample Questions:

1. A Web application contains a single servlet that handles all types of requests. Within the Web application is an HTML page that contains a form that uses a POST type request.
There are also hyperlinks with query strings associated with them. Requests arriving at the servlet via the form must be processed differently than requests made through the hyperlinks with query strings. Which two methods of the servlet should be overridden by the servlet programmer?

A) doForm
B) doQuery
C) doPost
D) doGet
E) service
F) doPut

2. Refer to the exhibit to answer the question.
Consider the Employees relation defined in the exhibit and the Java code segment defined below:
Statement s = con.createStatement();
ResultSet rs = s.executeQuery("SELECT * FROM Employees " +
"WHERE EmployeeID >= 10002 AND " +
"EmployeeID <= 10004");
Which code segments display the entire content of the result set assuming that columns EmployeeID and Extension are of SQL type SMALLINT and column Name is of SQL type VARCHAR?

A) do
{
System.out.println(rs.getString("EmployeeID"));
System.out.println(rs.getString("Name"));
System.out.println(rs.getString("Extension"));
} while (rs.next())
B) while (rs.next())
{
System.out.println(rs.getString("EmployeeID"));
System.out.println(rs.getString("Name"));
System.out.println(rs.getString("Extension"));
}
C) do
{
System.out.println(rs.getShort("EmployeeID"));
System.out.println(rs.getString("Name"));
System.out.println(rs.getShort("Extension"));
} while (rs.next())
D) while (rs.next())
{
System.out.println(rs.getString(1));
System.out.println(rs.getString(2));
System.out.println(rs.getString(3));
}
E) while (rs.next())
{
System.out.println(rs.getString(0));
System.out.println(rs.getString(1));
System.out.println(rs.getString(2));
}

3. If four classes were instantiated in the following order, implementing the associated event listener, in what order would they be notified if the application were shut down?
CustomConnectionManager implements HttpSessionListener
CustomerManager implements ServletContextListener
OrderManager implements HttpSessionListener
ShoppingCartManager implements HttpSessionListener

A) CustomerManager, ShoppingCartManager, OrderManager, CustomConnectionManager
B) CustomerManager, CustomConnectionManager, OrderManager, ShoppingCartManager
C) ShoppingCartManager, OrderManager, CustomerConnectionManager,
CustomerManager
D) ShoppingCartManager, CustomerManager, OrderManager, CustomConnectionManager

4. Given the following use of the useBean action tag:
<jsp:useBean id="car" class="com.myauto.Car" />
With which scope shall this bean be associated?

A) application
B) page
C) request
D) session

5. In which two of the following scenarios is the JMS publish-subscribe domain more appropriate than the JMS point-to-point domain?

A) The animal control department of city hall hosts a Web site through which members of the public can submit applications for dog licenses.
B) A police officer inputs a vehicle license number and receives the owner's name and driving record.
C) Companies post highlights of their quarterly financial statement returns for stockholders.
D) An online forum lets members read and add messages to a number of discussion threads.

Solutions: