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NEW QUESTION 64
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 sends the message. However, it is never consumed because there wasn't anything listening when it arrived, regardless of the message timeout length.
- B. The publisher successfully sends a message, which will be consumed later, once there is a subscriber, assuming the message hasn't timed out.
- C. 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.
- D. The message publisher is immediately notified about the lack of subscribers and can decide for itself if, and when, to resend.
Answer: B
Explanation:
Explanation
Reference
https://www.ibm.com/support/knowledgecenter/en/SSAW57_8.5.5/com.ibm.websphere.nd.multiplatform.doc/ae
NEW QUESTION 65
Given:
How often does the submitted task run?
- A. once
- B. as many times as you like
- C. based on a schedule
- D. need more details to determine
Answer: D
NEW QUESTION 66
On the Supply Lines Overview page, the deviations in supply type chart show a supply line status of exception.
What action must you take?
- A. This indicates that supply line quantities are available but the quality is not up to the mark, so the quality issue must be resolved.
- B. This indicates that supply line quantities are less than required, so additional quantities must be procured to meet the requirement.
- C. The indicates that supply line has an exception in manufacturing goods, so the supply line must be changed.
- D. This indicates that supply line quantities are not available, so inventory must be procured.
Answer: B
NEW QUESTION 67
Given an HttpServletRequestrequest and an EJB SessionContext ctx.
Which is a valid way to retrieve the Principal invoking either behavior?
- A. request.getUserPrincipal()and ctx.getUserPrincipal()
- B. request.getCallerPrincipal()and ctx.getCallerPrincipal()
- C. request.getCallerPrincipal() and ctx.getUserPrincipal()
- D. request.getUserPrincipal()and ctx.getCallerPrincipal()
Answer: B
NEW QUESTION 68
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.co entityManager.lock(emp);EntityManager.merge(emp); - C. entityManager.getTransaction().begin();entityManager.merge(emp);entityManager.getTransaction().comm
Answer: B
NEW QUESTION 69
Given the code fragment:
How long does this cookie persist?
- A. until browser shutdown
- B. this request
- C. until garbage collection in the servlet instance
- D. until server shutdown
Answer: A
Explanation:
Explanation/Reference: https://docs.oracle.com/javaee/6/api/javax/servlet/http/Cookie.html
NEW QUESTION 70
You need to exchange large binary messages using chunks in a WebSocket application. Identify two ways in which you can receive partial messages. (Choose two.)
- A. Use a ChunkListenerinterface implementation.
- B. Use a MessageHandler.Partial<ByteBuffer>interface implementation.
- C. Define an @OnMessagemethod with byte [] as the first parameter and a booleanas the second parameter.
- D. Define an @OnMessagemethod with a single MimePart parameter.
Answer: B,C
Explanation:
Explanation/Reference:
Reference: https://abhirockzz.gitbooks.io/java-websocket-api-handbook/content/Receiving%
20Messages.html
NEW QUESTION 71
Which two statements are true in regard to using the Enterprise Structures Configuration? (Choose two.)
- A. The guided interview-based process helps you set up the enterprise with best practices.
- B. You cannot modify the recommendation from the tool. You must do it after you perform the initial configuration.
- C. It allows you to create your Enterprise, Business Units, and Warehouses in a single step.
- D. It creates the chart of accounts.
- E. It recommends job and position structures.
Answer: A,C
NEW QUESTION 72
A Persistence application locks entity x with a LockModeType.PESSIMISTIC_READ lock type. Which statement is true?
- A. If the application updates the entity later, and the changes are flushed to the database, the lock will be converted to an exclusive look.
- B. This operation will result in a TransactionRolledbackException if the lock cannot be obtained.
- C. This operation will force serialization among transactions attempting to read the entity data.
- D. LockModeType.PESSIMISTIC_READ is the synonym of LockModeType.READ
Answer: C
Explanation:
Explanation
Reference https://docs.oracle.com/javaee/7/api/javax/persistence/LockModeType.html
NEW QUESTION 73
While negotiating the terms of the consignment agreement, the buyer and the supplier mutually agree to set aging onset point as receipt and the aging period as five days. The terms also say that the consumption advice will be generated daily.
In which three scenarios will the goods be transferred from the supplier's ownership to buyer's ownership?
- A. You received the goods today and you transfer the ownership using the "create transfer to owned transaction" task.
- B. You received the goods and after four days you return the material to the supplier.
- C. You received the goods today and for the next one week you do not plan any action on the same.
- D. You received the goods today after six days you decide to transfer the ownership using the "create transfer to consigned transaction" task.
- E. You received the goods today and after three days you transfer the ownership using the "create transfer to consigned transaction" task.
- F. You received the goods today and you decided to issue the goods after days without transferring the ownership.
Answer: A,C,F
NEW QUESTION 74
How can a servlet indicate to the browser that cookie data should be sent over a secure connection?
- A. Set the ENCRYPT header in the response.
- B. Encrypt the cookie data. The browser automatically sends encrypted data over a secure connection.
- C. Call the getSecure(true) method on the cookie object.
- D. Configure SessionTrackingMode.SSL on the ServletContext object.
Answer: C
NEW QUESTION 75
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.co entityManager.lock(emp);EntityManager.merge(emp); - C. entityManager.getTransaction().begin();entityManager.merge(emp);entityManager.getTransaction().comm
Answer: B
NEW QUESTION 76
How can you configure, in a portable way, the number of threads used by a ManagedExecutorService?
- A. using the ManagedExecutorsutility class to define the execution properties
- B. This cannot be done because this configuration is dependent on the Java EE Product Provider.
- C. configuring the thread pool info in the deployment descriptor
- D. programmatically, using a ManagedExecutorService
Answer: D
NEW QUESTION 77
Which statement is true about Java methods that are exposed as Web Service operations by using JAX-WS API?
- A. Method parameters must be declared by using @WebParam.
- B. Method parameters and return types must be JAXB compatible.
- C. The @WebMethod annotation must exist.
- D. The @WebResult annotation must exist.
Answer: C
NEW QUESTION 78
Given:
You are creating an Alarm management system. When you create a new alarm, you want it to create an alert that is triggered once at the specified time.
Which method should you call on Line 9 to create the timer?
- A. timerService.createSingleActionTimer(alarmDate, config);
- B. timerService.createTimer(alarmDate, -l, config);
- C. timerService.createCalendarTimer(alarmDate, config);
- D. timerService.createIntervalTimer(alarmDate, -l, config);
Answer: B
Explanation:
Explanation/Reference: https://docs.oracle.com/javaee/6/api/javax/ejb/TimerService.html
NEW QUESTION 79
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