1Z0-858 Questions and Answers

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Java Enterprise Edition 5 Web Component Developer Certified Professional Exam: 1Z0-858

Rating: 4.6

Vendor: Oracle

Certifications: Others Oracle Certifications

Exam Name: Java Enterprise Edition 5 Web Component Developer Certified Professional Exam

Exam Code: 1Z0-858

Total Questions: 276 Q&As

Last Updated: Jun 03, 2023

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Oracle 1Z0-858 Last Month Results

846
Successful Stories of Oracle 1Z0-858 Exam
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High Score Rate in Actual Oracle Exams
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Same Questions from the Latest Real Exam

1Z0-858 Online Practice Questions and Answers

Questions 1

The Squeaky Bean company has decided to port their web application to a new J2EE 1.4 container. While reviewing the application, a developer realizes that in multiple places within the current application, nearly duplicate code exists that finds enterprise beans. Which pattern should be used to eliminate this duplicate code?

A. Transfer Object

B. Front Controller

C. Service Locator

D. Intercepting Filter

E. Business Delegate

F. Model-View-Controller

Show Answer
Questions 2

One of the use cases in your web application uses many session-scoped attributes. At the end of the use case, you want to clear out this set of attributes from the session object. Assume that this static variable holds this set of attribute names:

201.

private static final Set USE_CASE_ATTRS;

202.

static {

203.

USE_CASE_ATTRS.add("customerOID");

204.

USE_CASE_ATTRS.add("custMgrBean");

205.

USE_CASE_ATTRS.add("orderOID");

206.

USE_CASE_ATTRS.add("orderMgrBean");

207.

}

Which code snippet deletes these attributes from the session object?

A. session.removeAll(USE_CASE_ATTRS);

B. for ( String attr : USE_CASE_ATTRS ) {session.remove(attr);}

C. for ( String attr : USE_CASE_ATTRS ) {session.removeAttribute(attr);}

D. for ( String attr : USE_CASE_ATTRS ) {session.deleteAttribute(attr);}

E. session.deleteAllAttributes(USE_CASE_ATTRS);

Show Answer
Questions 3

Given:

3.

class MyServlet extends HttpServlet {

4.

public void doPut(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

5.

// servlet code here ...

26.

}

27.

}

If the DD contains a single security constraint associated with MyServlet and its only tags and tags are:

GET PUT Admin

Which four requests would be allowed by the container? (Choose four.)

A. A user whose role is Admin can perform a PUT.

B. A user whose role is Admin can perform a GET.

C. A user whose role is Admin can perform a POST.

D. A user whose role is Member can perform a PUT.

E. A user whose role is Member can perform a POST.

F. A user whose role is Member can perform a GET.

Show Answer More Questions

Success Stories

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  • Poland
  • Jun 04, 2023
  • Rating: 4.8 / 5.0

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  • Egypt
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