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Oracle 1Z0-858 Exam Syllabus Topics:

Section	Objectives
Topic 1: Servlet Technology	- Servlet fundamentals 1. Request and response objects 2. Servlet lifecycle and methods - Filters and listeners 1. Filter chaining and configuration 2. Event listeners (context/session/request) - Session management 1. HttpSession usage 2. Cookies and URL rewriting
Topic 2: Web Application Security	- Authentication and authorization 1. Role-based access control 2. Declarative security in web.xml - Secure communication 1. Session security considerations 2. HTTPS configuration
Topic 3: JavaServer Pages (JSP)	- JSP tag libraries 1. JSTL core tags 2. Custom tags - JSP fundamentals 1. JSP lifecycle 2. JSP implicit objects
Topic 4: Expression Language (EL)	- EL syntax and usage 1. Accessing scoped variables 2. Operators and functions
Topic 5: Deployment and Configuration	- Web application packaging 1. WAR file structure 2. Deployment descriptors (web.xml)
Topic 6: Web Application Architecture	- Java EE Web tier overview 1. Servlet container architecture 2. Request/response lifecycle

Oracle Java Enterprise Edition 5 Web Component Developer Certified Professional Sample Questions:

1. A developer has created a special servlet that is responsible for generating XML content that is sent to a data warehousing subsystem. This subsystem uses HTTP to request these large data files, which are compressed by the servlet to save internal network bandwidth. The developer has received a request from management to create several more of these data warehousing servlets. The developer is about to copy and paste the compression code into each new servlet. Which design pattern can consolidate this compression code to be used by all of the data warehousing servlets?

A) Transfer Object
B) Composite Facade
C) Intercepting Filter
D) Facade
E) View Helper

2. Given an EL function foo, in namespace func, that requires a long as a parameter and returns a Map, which two are valid invocations of function foo? (Choose two.)

A) ${func:foo(2)}
B) ${func:foo("3").name}
C) ${foo(5):func}
D) ${func(1)}
E) ${foo:func(4)}
F) ${func:foo("easy")}

3. Which statement is true about web container session management?

A) If the web application uses HTTPS, then the web container may use the data on the HTTPS request stream to identify the client.
B) The JSESSIONID cookie is stored permanently on the client so that a user may return to the web application and the web container will rejoin that session.
C) To activate URL rewriting, the developer must use the HttpServletResponse.setURLRewriting method.
D) Access to session-scoped attributes is guaranteed to be thread-safe by the web container.

4. DRAG DROP
Click the Task button.
A servlet context listener loads a list of com.example.Product objects from a database and
stores that list into the catalog attribute of the ServletContext object.
Place code snippets to construct a jsp:useBean standard action to access this catalog.