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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: JSP Expression Language | 10% | - Functions and reserved words - Implicit variables and scope resolution - EL syntax and operators |
| Topic 2: Web Container Model | 14% | - Servlet context attributes - Request dispatching - Container architecture and responsibilities |
| Topic 3: Servlet Technology Model | 15% | - Request and response handling - Servlet lifecycle - Servlet interface and methods |
| Topic 4: JSP Standard Actions and Custom Tags | 13% | - Standard actions - Tag Library Descriptor - Simple and Classic tag handlers |
| Topic 5: Session Management | 12% | - Session attributes and listeners - Session lifecycle and tracking - URL rewriting, cookies, SSL |
| Topic 6: Web Application Structure and Deployment | 12% | - Deployment descriptor (web.xml) - Context parameters and initialization - WAR file structure |
| Topic 7: JSP Technology Model | 13% | - JSP lifecycle and translation - Implicit objects - JSP elements and syntax |
| Topic 8: Web Application Security | 11% | - Authentication and authorization - Declarative and programmatic security - Transport security |
1. Given a web application in which the cookie userName is expected to contain the name of the user. Which EL expression evaluates to that user name?
A) ${cookies.userName[0]}
B) ${cookies.userName}[1]
C) ${userName}
D) ${cookie.user.name}
E) ${cookie.userName}
F) ${cookies.get('userName')}
2. The tl:taskList and tl:task tags output a set of tasks to the response and are used as follows:
1 1. <tl:taskList>
1 2. <tl:task name="Mow the lawn" />
1 3. <tl:task name="Feed the dog" />
1 4. <tl:task name="Do the laundry" />
1 5. </tl:taskList>
The tl:task tag supplies information about a single task while the tl:taskList tag does the final output. The tag handler for tl:taskList is TaskListTag. The tag handler for tl:task is
TaskTag. Both tag handlers extend BodyTagSupport.
Which allows the tl:taskList tag to get the task names from its nested tl:task children?
A) In the TaskListTag.doStartTag method, call super.getChildTags() and iterate through the results. Cast each result to a TaskTag and call getName().
B) In the TaskListTag.doStartTag method, call getChildTags() on the PageContext and iterate through the results. Cast each result to a TaskTag and call getName().
C) Create an addTaskName method in TaskListTag. Have the TaskListTag.doStartTag method, return BodyTag.EVAL_BODY_BUFFERE In the TaskTag.doStartTag method, call super.getParent(), cast it to a TaskListTag, and call addTaskName().
D) It is impossible for a tag handler that extends BodyTagSupport to communicate with its parent and child tags.
E) Create an addTaskName method in TaskListTag. Have the TaskListTag.doStartTag method, return BodyTag.EVAL_BODY_BUFFERED. In the TaskTag.doStartTag method, call findAncestorWithClass() on the PageContext, passing TaskListTag as the class to find.
Cast the result to TaskListTag and call addTaskName().
3. Click the Exhibit button.
Given:
10. <form action='create_product.jsp'>
11. Product Name: <input type='text' name='prodName'/><br/>
12. Product Price: <input type='text' name='prodPrice'/><br/>
13. </form>
For a given product instance, which three jsp:setProperty attributes must be used to initialize its properties from the HTML form? (Choose three.)
A) property
B) param
C) attribute
D) reqParam
E) type
F) id
G) name
4. A developer is designing a multi-tier web application and discovers a need to hide the details of establishing and maintaining remote communications from the client. In addition, the application needs to find, in a transparent manner, the heterogeneous business components used to service the client's requests. Which design patterns, working together, address these issues?
A) Model-View-Controller and Intercepting Filter
B) Front Controller and Business Delegate
C) Intercepting Filter and Transfer Object
D) Business Delegate and Service Locator
E) Business Delegate and Transfer Object
5. For manageability purposes, you have been told to add a "count" instance variable to a critical JSP Document so that a JMX MBean can track how frequent this JSP is being invoked. Which JSP code snippet must you use to declare this instance variable in the JSP
Document?
A) <%! int count = 0; %>
B) <jsp:declaration>
int count = 0;
< jsp:declaration>
C) <jsp:scriptlet.declaration>
int count = 0;
< jsp:scriptlet.declaration>
D) <jsp:declaration.instance>
int count = 0;
< jsp:declaration.instance>
Solutions:
| Question # 1 Answer: E | Question # 2 Answer: C | Question # 3 Answer: A,B,G | Question # 4 Answer: D | Question # 5 Answer: B |
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