Oracle Oracle Database 1Z0-900 Questions & Answers

• Question 131:

  Java EE's support for WS-Security includes handling which two types of security credentials? (Choose two.)

  A. X.509 certificates

  B. SAML tokens

  C. OAuth Bearer tokens

  D. Two-factor authentication tokens

  Correct Answer: AB

• Question 132:

  Given the code fragment from a Facelet page: On Line 1, you ae asked to insert a search box that displays the text "Search Here" via a placeholder. Assume searchMB is a valid Managed Bean.

  

  Which two options enable you to create a search box with a placeholder attribute on Line 1? (Choose two.)

  A.

  B.

  C.

  D.

  E.

  Correct Answer: CE

• Question 133:

  Given the code fragment:

  

  Which method should be used on line 3 to enable default validation mechanism?

  A. u.setProperty(String, Object)

  B. u.setProperty(Schema)

  C. u.setEventHandler(ValidationEventHandler)

  D. u.setAdapter(XmlAdapter)

  Correct Answer: D

  Reference: https://docs.oracle.com/javaee/6/api/javax/xml/bind/Unmarshaller.html

• Question 134:

  How do you specify a default error page in your web.xml file?

  A. /general-error.html

  B. * /general-error.html

  C. * /general-error.html

  D. /general-error.html

  Correct Answer: B

  Reference: http://www.codejava.net/java-ee/servlet/how-to-handle-error-in-web-xml-for-java-webapplications

• Question 135:

  Given the code fragment:

  

  And

  

  Which two steps, when performed independently, enable the index.xhtml page to print the following text: The Id is 12345? (Choose two.)

  A. Replace line 2 with: @Inject public void setAcc(Account acc)

  B. Replace line 3 with: @Inject public Account getAcc()

  C. Replace line 1 with: @Inject private Account acc;

  D. Replace line 3 with: public @Inject Account getAcc()

  E. Replace line 1 with: private @Inject Account acc;

  F. Replace line 2 with: public void setAcc(@Inject Account acc)

  Correct Answer: DF

• Question 136:

  Given:

  

  How often does the submitted task run?

  A. need more details to determine

  B. once

  C. as many times as you like

  D. based on a schedule

  Correct Answer: A

• Question 137:

  Given:

  

  What code needs to be added to line 1 for MyMapper bean instances to be correctly passivated?

  A. @Stateless @PassivationCapable

  B. @Stateless

  C. @Stateful @PassivationCapable

  D. @Stateful

  Correct Answer: D

  Reference: https://docs.oracle.com/javaee/6/tutorial/doc/giplj.html#gipln

• Question 138:

  Which URL represents an invalid approach to pass a parameter to a REST resource?

  A. /Employees?value=1

  B. /Employeesandvalue=1

  C. /Employees/1

  D. /Employees;value=1

  Correct Answer: D

• Question 139:

  Given:

  

  If an exception is thrown inside the if block, what effect will it have on the transaction?

  A. The transaction will be committed.

  B. The transaction will be suspended.

  C. The transaction will be rolled back.

  Correct Answer: C

• Question 140:

  Given the code fragments: What code should you add to the body of the updateEmployee method in order to save pending changes to the database?

  

  A. entityManager.merge(emp);

  B. Context. Ctx = new InitialContext(); UserTransaction utx = (UserTransaction)ctx.lookup("java:comp/UserTransaction"); utx.begin(); entityManager.merge(emp); utx.commit();

  C. entityManager.lock(emp); EntityManager.merge(emp);

  D. entityManager.getTransaction().begin(); entityManager.merge(emp); entityManager.getTransaction().commit();

  Correct Answer: B