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Oracle 1Z0-858 Exam Overview:
| Certification Vendor: | Oracle |
| Exam Name: | Java Enterprise Edition 5 Web Component Developer Certified Professional Exam |
| Exam Number: | 1Z0-858 |
| Exam Duration: | 150 minutes |
| Exam Format: | Multiple Choice, Multiple Answer |
| Certificate Validity Period: | Indefinite (legacy certification) |
| Real Exam Qty: | 69 |
| Available Languages: | English |
| Passing Score: | 68% - 72% |
| Related Certifications: | Oracle Certified Professional, Java SE Programmer |
| Exam Price: | Approx. $245 USD |
| Recommended Training: | Oracle University - Web Component Development with Servlet and JSP |
| Exam Registration: | Pearson VUE Registration Oracle Certification Portal |
| Sample Questions: | Oracle 1Z0-858 Sample Questions |
| Exam Way: | Authorized Pearson VUE test center or online proctored exam |
| Pre Condition: | Recommended: Oracle Certified Professional, Java SE Programmer or equivalent Java knowledge |
| Official Syllabus URL: | https://education.oracle.com/ |
Oracle 1Z0-858 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Web Application Structure and Deployment | 10% | - Deployment descriptor (web.xml) - WAR file structure - Annotations for configuration |
| Topic 2: Web Application Security | 12% | - Data protection and transport security - Authentication methods - Authorization and roles |
| Topic 3: Web Container Model | 10% | - Container services - Filters and interceptors - Event listeners |
| Topic 4: JSP Technology Model | 13% | - Elements and syntax - Implicit objects - JSP lifecycle |
| Topic 5: Session Management | 10% | - Session attributes and scope - Session lifecycle - Session tracking mechanisms |
| Topic 6: Expression Language (EL) and Standard Actions | 10% | - Accessing JavaBeans and collections - EL syntax and operators - Standard JSP actions |
| Topic 7: JSTL and Custom Tag Development | 12% | - Tag files and descriptors - Tag handler lifecycle - JSTL core and formatting tags |
| Topic 8: Design Patterns and Architecture | 8% | - MVC pattern - Service Locator, Business Delegate - Intercepting Filter, Front Controller |
| Topic 9: Servlet Technology Model | 15% | - Servlet configuration and initialization - Request and response handling - Servlet lifecycle |
Oracle Java Enterprise Edition 5 Web Component Developer Certified Professional Sample Questions:
1. You are creating a library of custom tags that mimic the HTML form tags. When the user submits a form that fails validation, the JSP form is forwarded back to the user. The <t:textField> tag must support the ability to re-populate the form field with the request parameters from the user's last request. For example, if the user entered "Samantha" in the text field called firstName, then the form is re-populated like this:
<input type='text' name='firstName' value='Samantha' />
Which tag handler method will accomplish this goal?
A) public int doStartTag() throws JspException {
ServletRequet request = pageContext.getRequest();
String value = request.getParameter(this.name);
if ( value == null ) value = "";
JspWriter out = pageContext.getOut();
try {
out.write(String.format(INPUT, this.name, value));
} (Exception e) { throw new JspException(e); }
return SKIP_BODY;
}
private static String INPUT
= "<input type='text' name='%s' value='%s' />";
B) public void doTag() throws JspException {
ServletRequet request = pageContext.getRequest();
String value = request.getParameter(this.name);
if ( value == null ) value = "";
JspWriter out = pageContext.getOut();
try {
out.write(String.format(INPUT, this.name, value));
} (Exception e) { throw new JspException(e); }
}
private static String INPUT
= "<input type='text' name='%s' value='%s' />";
C) public void doTag() throws JspException {
JspContext ctx = getJspContext();
String value = ctx.getParameter(this.name);
if ( value == null ) value = "";
JspWriter out = pageContext.getOut();
try {
out.write(String.format(INPUT, this.name, value));
} (Exception e) { throw new JspException(e); }
}
private static String INPUT
= "<input type='text' name='%s' value='%s' />";
D) public int doStartTag() throws JspException {
JspContext ctx = getJspContext();
String value = ctx.getParameter(this.name);
if ( value == null ) value = "";
JspWriter out = pageContext.getOut();
try {
out.write(String.format(INPUT, this.name, value));
} (Exception e) { throw new JspException(e); }
return SKIP_BODY;
}
private static String INPUT
= "<input type='text' name='%s' value='%s' />";
2. After a merger with another small business, your company has inherited a legacy WAR file but the original source files were lost. After reading the documentation of that web
application, you discover that the WAR file contains a useful tag library that you want to reuse in your own webapp packaged as a WAR file.
What do you need to do to reuse this tag library?
A) Unpack the legacy WAR file, move the TLD file to the META-INF directory, move the class files to the top-level directory, repackage the whole thing as a JAR file, and place that JAR file in your webapp's library directory.
B) Unpack the legacy WAR file, move the TLD file to the META-INF directory, move the class files to the top-level directory, repackage the WAR, and place that WAR file in your webapp's WEB-INF directory.
C) Unpack the legacy WAR file, move the TLD file to the META-INF directory, repackage the whole thing as a JAR file, and place that JAR file in your webapp's library directory.
D) Simply rename the legacy WAR file as a JAR file and place it in your webapp's library directory.
3. Your management has required that all JSPs be created to generate XHTML-compliant content and to facilitate that decision, you are required to create all JSPs using the JSP Document format. In the reviewOrder.jspx page, you need to use several core JSTL tags to process the collection of order items in the customer's shopping cart. Which JSP code snippets must you use in the reviewOrder.jspx page?
A) <html xmlns:jsp="http://java.sun.com/JSP/Page"
version="2.0">
<jsp:directive.taglib prefix="c"
uri="http://java.sun.com/jsp/jstl/core" />
<!-- page content -->
</html>
B) <jsp:root xmlns:jsp="http://java.sun.com/JSP/Page"
version="2.0"
xmlns:c="http://java.sun.com/jsp/jstl/core">
<!-- page content -->
</jsp:root>
C) <html xmlns:jsp="http://java.sun.com/JSP/Page"
version="2.0"
xmlns:c="http://java.sun.com/jsp/jstl/core">
<!-- page content -->
</html>
D) <jsp:root xmlns:jsp="http://java.sun.com/JSP/Page"
version="2.0">
<jsp:directive.taglib prefix="c"
uri="http://java.sun.com/jsp/jstl/core" />
<!-- page content -->
</jsp:root>
4. You need to store a Java long primitive attribute, called customerOID, into the session scope. Which two code snippets allow you to insert this value into the session? (Choose two.)
A) long customerOID = 47L; session.setNumericAttribute("customerOID", new Long(customerOID));
B) long customerOID = 47L; session.setNumericAttribute("customerOID", customerOID);
C) long customerOID = 47L; session.setAttribute("customerOID", customerOID);
D) long customerOID = 47L; session.setLongAttribute("customerOID", customerOID);
E) long customerOID = 47L; session.setAttribute("customerOID", new Long(customerOID));
F) long customerOID = 47L; session.setLongAttribute("customerOID", new Long(customerOID));
5. A developer is designing the presentation tier for a web application which requires a centralized request handling to complete common processing required by each request. Which design pattern provides a solution to this problem?
A) Intercepting Filter
B) Business Delegate
C) Remote Proxy
D) Service Activator
E) Data Access Object
F) Front Controller
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: A | Question # 3 Answer: B | Question # 4 Answer: C,E | Question # 5 Answer: F |
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