[Nov 14, 2021] Get Free Updates Up to 365 days On Developing 1Z0-900 Braindumps [Q82-Q99]

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[Nov 14, 2021] Get Free Updates Up to 365 days On Developing 1Z0-900 Braindumps

Best Quality Oracle 1Z0-900 Exam Questions


Oracle 1Z0-900 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Use Entity Manager to perform database operations, transactions and locking with JPA entities
  • Create and execute JPQL statements
Topic 2
  • Create JPA Entity and Relationship Object-Relational Mappings (ORM)
  • Produce and consume, encode and decode WebSocket messages
Topic 3
  • Create WebSocket Server and Client Endpoint Handlers using JSR 356 API and JavaScript
  • Demonstrate understanding of Enterprise JavaBeans and CDI beans
Topic 4
  • Handle entity data with conversions, validations, and key generation
  • Describe Java EE 7 standards, containers, APIs, and services
Topic 5
  • Define Java to XML Schema mappings to marshall and unmarshall Java Objects by using JAXB API
  • Create, package and deploy Java EE application
Topic 6
  • Manage servlet life cycle with container callback methods and WebFilters
  • Create SOAP Web Services and Clients using JAX-WS API
Topic 7
  • Handle errors using Servlets and Java Server Pages
  • Describe JSP syntax, use tag libraries and Expression Language (EL)
Topic 8
  • Create REST Services and clients using JAX-RS API
  • Create REST Services and clients using JAX-RS API
Topic 9
  • Create sessionEJB components containing synchronous and asynchronous business methods
  • Demonstrate understanding of the relationship between bean components

 

NEW QUESTION 82
Which two capabilities are provided by the Java Authentication and Authorization Services (JAAS) API?
(Choose two.)

  • A. verifying identity claims from users
  • B. protecting data from unauthorized viewing by using encryption
  • C. verifying that a user is allowed to perform an action
  • D. ensuring that data is not modified in transit

Answer: C,D

 

NEW QUESTION 83
Give the code fragment:

And the code fragment:

The sendConfirmation() and reserve() methods should be executed in the same transactional context.
Which transaction attributes do you ensure this?

  • A. Add annotations:@TransactionAttribute (TransactionAttributeType.REQUIRED) at line
    2,@Transactional at line 9 and@TransactionAttribute ((TransactionAttributeType.REQUIRES_NEW) at line 12
  • B. Add annotations:@TransactionAttribute (TransactionAttributeType.REQUIRES_NEW) at line
    2,@Transactional at line 9 and@TransactionAttribute ((TransactionAttributeType.MANDATORY) at line 12
  • C. Add annotations:@TransactionAttribute (TransactionAttributeType.MANDATORY) at line
    2,@Transactional at line 9 and@TransactionAttribute ((TransactionAttributeType.REQUIRES_NEW) at line 12
  • D. No additional annotations are required.

Answer: C

 

NEW QUESTION 84
Given the code fragment:

Assuming this bean is used only in the code fragment above, how long will the injected Beaninstance be available?

  • A. for the lifetime of the Serviceobject
  • B. for the lifetime of the request
  • C. for the lifetime of the session
  • D. for the lifetime of the enterprise application

Answer: A

 

NEW QUESTION 85
Which statement is true about Java methods that are exposed as Web Service operations by using JAX-WS API?

  • A. The @WebMethod annotation must exist.
  • B. Method parameters must be declared by using @WebParam.
  • C. The @WebResult annotation must exist.
  • D. Method parameters and return types must be JAXB compatible.

Answer: A

 

NEW QUESTION 86
Which statement is true about JAX-RS resource implementation?

  • A. The REST resource class can be implemented as a stateful Enterprise JavaBean (EJB).
  • B. The REST resource implementation class must extend the javax.ws.rs.core.Applicationclass
  • C. The REST resource class can be implemented as a Plain Old Java Object (POJO).
  • D. The REST resource implementation class must not be final.

Answer: B

Explanation:
Explanation/Reference:
Reference: https://docs.oracle.com/javaee/7/tutorial/jaxrs002.htm

 

NEW QUESTION 87
Given the code fragment:

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

  • A. u.setProperty(Schema)
  • B. u.setEventHandler(ValidationEventHandler)
  • C. u.setProperty(String, Object)
  • D. u.setAdapter(XmlAdapter)

Answer: D

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

 

NEW QUESTION 88
Your customer wants to transfer material from facility A to facility
B. They are using the interorganization transfer to perform the transaction in the system. Their requirement is "whenever material is transferred from their facility A to facility B, facility B needs to pay 5% additional amount to the current item cost".
Which task must be set up to accomplish this requirement?

  • A. Manage Transfer Pricing Rules
  • B. Manage Cost Plus Pricing
  • C. Manage Organization Relationships
  • D. Manage Interorganization Markup
  • E. Manage Cost Organization Relationships

Answer: E

 

NEW QUESTION 89
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 3 with: @Inject public Account getAcc()
  • B. Replace line 2 with: public void setAcc(@Inject Account acc)
  • C. Replace line 2 with: @Inject public void setAcc(Account acc)
  • D. Replace line 3 with: public@Inject Account getAcc()
  • E. Replace line 1 with: @Inject private Account acc;
  • F. Replace line 1 with: private @Inject Account acc;

Answer: B,D

 

NEW QUESTION 90
Given:

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

  • A. The transaction will be suspended.
  • B. The transaction will be committed.
  • C. The transaction will be rolled back.

Answer: C

 

NEW QUESTION 91
Given the code fragment:

Which code can be added to register both of these methods to receive BankEvent notifications only if an instance of BankActivityService is already instantiated in the current context?

  • A. @Observes(during=IN_PROGRESS) on line 1
  • B. @Observes(notifyObserver=IF_EXISTS) on line 3 and line 6
  • C. @Observes(notifyObserver=IF_EXISTS) on line 4 and line 7 before method parameter declaration
  • D. @Observes(during=AFTER_COMPLETION) on line 1

Answer: B

 

NEW QUESTION 92
Given the code fragments:

What code should you add to the body of the updateEmployeemethod in order to save pending changes to the database?
entityManager.merge(emp);

  • A. EntityManager.merge(emp);
    entityManager.getTransaction().begin();
  • B. entityManager.merge(emp);
    entityManager.getTransaction().commit();
  • C. Context. Ctx = new InitialContext();
  • D. UserTransaction utx = (UserTransaction)ctx.lookup(''java:comp/
    UserTransaction'');
    utx.begin();
    entityManager.merge(emp);
    utx.commit();
    entityManager.lock(emp);

Answer: D

 

NEW QUESTION 93
Your customer wants to prevent customer shipments out of a specific subventory. They are setting up a material status to control this.
Which transaction do they need to disallow?

  • A. Ship Confirm
  • B. Sales Order Issue
  • C. Sales Order Pick
  • D. Move Request Putaway.
  • E. Miscellaneous Issue

Answer: B

 

NEW QUESTION 94
While performing the task "Create Chart of Accounts, Ledger, Legal Entities, and Business Units in Spreadsheet Task", you mentioned that the legal entity country is the United States of America.
What will be the functional currency of the ledger you are defining?

  • A. The system will automatically pick "USD" as functional currency from the legal entity country.
  • B. The system will pock the first available currency from the list of Values.
  • C. It is mandatory to provide functional currency because ledger cannot be defined without functional currency. The system will throw an error upon upload of the spreadsheet because all required fields are not populated.
  • D. The system will ask the user to provide functional currency at the time of uploading the spreadsheet if it is not provided in the first place.
  • E. It is mandatory to provide functional currency, because ledger cannot be defined without functional currency. The system will throw an error upon processing.

Answer: A

 

NEW QUESTION 95
Which two options constitute the rights and responsibilities of a legal Entity?

  • A. Account for themselves to regulations, taxation authorities, and owners according to rules specified in the relevant legislation
  • B. Facilitate resource allocation
  • C. Manage warehouses
  • D. Own property
  • E. Create opportunities for new business

Answer: A,D

 

NEW QUESTION 96
When should a JPA entity implement the Serializableinterface?

  • A. when JPA entities are used as parameters or return values by the remote EJB operations
  • B. when JPA entities are used in the EJB Full container
  • C. always, because JPA entities are required to implement the Serializableinterface
  • D. when JPA entities are used outside of the EJB Lite container

Answer: A

Explanation:
Explanation/Reference:
Reference: https://stackoverflow.com/questions/2020904/when-and-why-jpa-entities-should-implement- serializable-interface

 

NEW QUESTION 97
Given a JSL document describing a batch job:

How do you initiate a batch job?

  • A. Get the JobOperatorobject from BatchRuntimeand call its start()method.
  • B. Get the JobExecutionobject from BatchRuntimeand call its start()method.
  • C. Call BatchRunTime.initialize("ProductLoadJob");
  • D. Get the JobExecutionobject from BatchRuntimeand set its status to JobStatus.INITIATED.

Answer: B

 

NEW QUESTION 98
How do you specify a default error page in your web.xmlfile?

  • A. <error-page>
    <error-code>*</error-code>
    <location>/general-error.html</location>
    </error-page>
  • B. <on-error>
    < location>/general-error.html<location>
    < /on-error>
  • C. <error-page>
    < location>/general-error.html</location>
    < /error-page>
  • D. <on-error>
    <error-code>*</error-code>
    <location>/general-error.html</location>
    </on-error>

Answer: A

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

 

NEW QUESTION 99
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