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Oracle 1Z0-900 Exam Syllabus Topics:
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NEW QUESTION 29
Given the code fragment:
How can you apply DateConverter to the birthday field?
- A. by adding @Convert(to=Date.class) at line 3
- B. by adding @Converter(autoApply=true) at line 1
- C. by adding @Convert((DateConverter.class)) at line 2
- D. by invoking the setConverter(DateConverter.class) method on the EntityManager object
Answer: A
NEW QUESTION 30
Given the code fragment:
How long does this cookie persist?
- A. until server shutdown
- B. this request
- C. until garbage collection in the servlet instance
- D. until browser shutdown
Answer: D
Explanation:
Explanation/Reference: https://docs.oracle.com/javaee/6/api/javax/servlet/http/Cookie.html
NEW QUESTION 31
Given:
How often does the submitted task run?
- A. once
- B. based on a schedule
- C. need more details to determine
- D. as many times as you like
Answer: C
NEW QUESTION 32
You are working with JMS publish-subscribe operations.
What happens when a producer publishes a message to a topic for which a durable subscription exists but there are no subscribers available?
- A. The publisher waits for a subscriber, who then consumes it. However, the publisher will time out if no consumer arrives within the given timeout period.
- B. The publisher sends the message. However, it is never consumed because there wasn't anything listening when it arrived, regardless of the message timeout length.
- C. The message publisher is immediately notified about the lack of subscribers and can decide for itself if, and when, to resend.
- D. The publisher successfully sends a message, which will be consumed later, once there is a subscriber, assuming the message hasn't timed out.
Answer: D
Explanation:
Explanation/Reference:
Reference: https://www.ibm.com/support/knowledgecenter/en/SSAW57_8.5.5/ com.ibm.websphere.nd.multiplatform.doc/ae/tjn0012_.html
NEW QUESTION 33
What is true about Message-Driven Beans (MDBs)?
- A. MDBs retain data caches between client calls.
- B. MDBs are invoked synchronously.
- C. Each MDBs can process messages only from a single client.
- D. MDBs can participate in transactions.
Answer: D
NEW QUESTION 34
Given the following code:
What should you do at line 1 to enable this servlet receive request data without blocking?
- A. Define a ReadListener and assign it to the request input stream.
- B. Create a Callable class and delegate this operation to a ManagedExecutorService by using the dispatch method of AsyncContext.
- C. Define an AsyncListener and assign it to the AsyncContext object.
- D. Use a Runnable instance with the start () method of AsyncContext.
Answer: C
NEW QUESTION 35
Given the following class definition with numbered lines:
How do you specify to use this mock CDI bean implementation instead of the regular implementation class?
- A. Use the alternatives element in the beans.xml file and specify the class name in the class element within it.
- B. Delete the regular implementation class from the WAR.
- C. Reorder the implementation names in the beans.xml file such that the desired alternative is listed earlier.
- D. Start up the server with the optional -alternative command-line option, specifying any alternative class names in a comma-separated list.
Answer: D
NEW QUESTION 36
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 pock the first available currency from the list of Values.
- B. 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.
- C. The system will automatically pick "USD" as functional currency from the legal entity country.
- 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: C
NEW QUESTION 37
When should a JPA entity implement the Serializable interface?
- A. always, because JPA entities are required to implement the Serializable interface
- B. when JPA entities are used as parameters or return values by the remote EJB operations
- C. when JPA entities are used outside of the EJB Lite container
- D. when JPA entities are used in the EJB Full container
Answer: B
NEW QUESTION 38
Given the code fragment:
Assuming this bean is used only in the code fragment above, how long will the injected Bean instance be available?
- A. for the lifetime of the Service object
- 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 39
Given the code fragment:
Which method should be used on line 3to enable default validation mechanism?
- A. u.setEventHandler(ValidationEventHandler)
- B. u.setProperty(Schema)
- C. u.setProperty(String, Object)
- D. u.setAdapter(XmlAdapter)
Answer: D
Explanation:
Explanation
Explanation/Reference: https://docs.oracle.com/javaee/6/api/javax/xml/bind/Unmarshaller.html
NEW QUESTION 40
Given the code fragment:
Which URL triggers the invocation of the getEmployee() method?
- A. <base url>/Employees/89724
- B. <base url>/Employees/id/J6349
- C. <base url>/Employees/J6349
- D. <base url>/Employees/id:a7280
Answer: C
NEW QUESTION 41
Which class do you use to handle an incoming JSON Message as a stream?
- A. JsonReader
- B. JsonObject
- C. JsonParser
- D. JsonObjectBuilder
Answer: A
NEW QUESTION 42
Given the code fragment:
Which URL triggers the invocation of the getEmployee () method?
- A. <base url>/Employees/89724
- B. <base url>/Employees/id/J6349
- C. <base url>/Employees/J6349
- D. <base url>/Employees/id:a7280
Answer: C
NEW QUESTION 43
Identify the availability type that is applicable for the item quantities maintained in a unit of measure different from the primary unit of measure and is available for various transactions.
- A. Secondary On-hand Quantity
- B. Reserved
- C. On Hand
- D. Secondary Available Quantity
- E. Available
Answer: D
Explanation:
Explanation/Reference:
NEW QUESTION 44
Given the code fragment:
Which URL triggers the invocation of the getEmployee() method?
- A. <base url>/Employees/89724
- B. <base url>/Employees/id/J6349
- C. <base url>/Employees/J6349
- D. <base url>/Employees/id:a7280
Answer: C
NEW QUESTION 45
Given the code fragment:
Which method should be used on line 3 to enable default validation mechanism?
- A. u.setEventHandler(ValidationEventHandler)
- B. u.setProperty(Schema)
- C. u.setProperty(String, Object)
- D. u.setAdapter(XmlAdapter)
Answer: D
NEW QUESTION 46
Which class do you use to handle an incoming JSON Message as a stream?
- A. JsonReader
- B. JsonObject
- C. JsonParser
- D. JsonObjectBuilder
Answer: A
Explanation:
Explanation
Reference https://docs.oracle.com/javaee/7/tutorial/jsonp002.htm
NEW QUESTION 47
: 15
Given:
What code needs to be added to line 1 for MyMapper bean instances to be correctly passivated?
- A. @Stateful @PassivationCapable
- B. @Stateless
- C. @Stateful
- D. @Stateless @PassivationCapable
Answer: C
NEW QUESTION 48
You have a high value item that you want to audit on an unscheduled basis to deter pilfering.
Which method would you use to do this?
- A. Manual Cycle Count
- B. Automated Cycle Count
- C. Physical Inventory Count
- D. ABC Count
- E. Blind Inventory Count
Answer: A
NEW QUESTION 49
Which annotation allows a request to be executed with another Principal's identity?
- A. It is not possible to execute a request with another Principal's identity.
- B. @RolesAllowed
- C. @UseIdentity
- D. @Runs
Answer: B
Explanation:
Explanation/Reference: https://docs.oracle.com/cd/E19798-01/821-1841/6nmq2cpig/index.html
NEW QUESTION 50
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 51
Given:
Which annotation do you use on line 1to ensure that clients immediately time out when attempting to concurrently invoke callMethod ()while another client is already accessing the bean?
- A. @AccessTimeout (-1)
- B. @AccessTimeout (null)
- C. @AccessTimeout (value = 1, unit = TimeUnit.SECONDS)
- D. @AccessTimeout (0)
Answer: D
Explanation:
Explanation/Reference:
Reference: http://tomee.apache.org/examples-trunk/access-timeout/
NEW QUESTION 52
Material is transferred between the Subinventories within an organization via transfer order. The setup is complete and the transfer order is created though the FBDI process.
What is the primary interface data that needs to be completed in the template?
- A. INV_SERIAL_NUMBERS_INTERFACE
- B. INV_TRANSACTION_LOTS_INTERFACE
- C. CST_I_INCOMING_TXN_COSTS
- D. INV_TRANSACTIONS_INTERFACE
- E. INV_SUBINVENTORY_TRANSFER
Answer: D
NEW QUESTION 53
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