[Oct-2021] Oracle 1Z0-900 Dumps – Reduce Your Chance of Failure in 1Z0-900 Exam
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NEW QUESTION 25
Given the code fragment:
How can you get all property names of a JMS message in the JMS consumer onMessage operation?
- A. Enumeration props = msg.getPropertyNames();
- B. String [] props = msg.getPropertyNames();
- C. List<String> props = msg.getProperties();
- D. Iterator props = msg.getPropertyNames();
Answer: B
NEW QUESTION 26
Your customer is managing a large sales team divided in two different geographies in the USA. They have the Est Coast sales team and the Central sales team. Both teams are handled by one manager and perform the same function.
Your customer wants to track the expenses of the two teams separately; however, they do not consider them different as they are handled by one manager only.
How will you fulfill the requirement?
- A. Define them as a single department and two separate cost centers.
- B. Define them as two separate departments and a single cost center.
- C. Define them as one department and one cost center.
- D. It is not possible to fulfill the requirement.
Answer: A
Explanation:
Explanation
NEW QUESTION 27
: 15
Given:
What code needs to be added to line 1 for MyMapper bean instances to be correctly passivated?
- A. @Stateless
- B. @Stateful @PassivationCapable
- C. @Stateless @PassivationCapable
- D. @Stateful
Answer: D
NEW QUESTION 28
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. No additional annotations are required.
- 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. Add annotations:@TransactionAttribute (TransactionAttributeType.REQUIRED) at line
2,@Transactional at line 9 and@TransactionAttribute ((TransactionAttributeType.REQUIRES_NEW) at line 12
Answer: C
NEW QUESTION 29
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. Context. Ctx = new InitialContext();
- B. entityManager.merge(emp);
entityManager.getTransaction().commit(); - C. EntityManager.merge(emp);
entityManager.getTransaction().begin(); - D. UserTransaction utx = (UserTransaction)ctx.lookup(''java:comp/
UserTransaction'');
utx.begin();
entityManager.merge(emp);
utx.commit();
entityManager.lock(emp);
Answer: D
NEW QUESTION 30
A Persistence application locks entity xwith a LockModeType.PESSIMISTIC_READlock type. Which statement is true?
- A. This operation will result in a TransactionRolledbackExceptionif the lock cannot be obtained.
- B. If the application updates the entity later, and the changes are flushed to the database, the lock will be converted to an exclusive look.
- 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 31
Given the code fragments:
Which action completes this composite primary key implementation?
- A. Add @IdClassannotation at line 1.
- B. Add @Embeddableannotation at line 1and @EmbeddedId(ContactId.class)at line 2.
- C. Add @IdClass(ContactId.class)annotation at line 2.
- D. Add @Embeddableannotation at line 1 and replace both @Idannotations with @EmbeddedIdannotations.
Answer: B
NEW QUESTION 32
Your customer is managing a large sales team divided in two different geographies in the USA. They have the Est Coast sales team and the Central sales team. Both teams are handled by one manager and perform the same function.
Your customer wants to track the expenses of the two teams separately; however, they do not consider them different as they are handled by one manager only.
How will you fulfill the requirement?
- A. Define them as a single department and two separate cost centers.
- B. Define them as two separate departments and a single cost center.
- C. Define them as one department and one cost center.
- D. It is not possible to fulfill the requirement.
Answer: A
NEW QUESTION 33
Your customer decides to implement Cloud Procurement and Inventory. While discussing with your customer, you come to know that they have a business that spans across multiple locations and they have warehouse situated across USA and Canada.
* All their procurement, payables, and distribution activities take place from USA.
* They have a central warehouse in USA and after the goods are delivered to this warehouse, they are distributed across multiple additional warehouses. The warehouses are managed separately from the requisitioning units.
* For requesting material they have two units. One located in USA that monitors the current stock. They are responsible for creating requisition for any material shortage in USA. They have another location in Canada for requesting material.
Which setup fulfills this scenario?
- A. BU1: USA - as procurement and requisitioning Business Unit (BU)BU2: Canada - as requisitioning Business UnitDefine Service provider relationship where Canada procurement business unit serves as procurement and payables service provider for Canada Requisitioning Business Unit.
- B. BU1: USA - as procurement business unit (BU)BU2: Canada - as requisitioning business unitBU3: USA
- as requisitioning business unitDefine Service provider relationship where Canada procurement business unit serves as procurement and payables service provider for Canada Requisitioning Business Unit. - C. BU1: USA - as procurement business unit (BU)BU2: Canada - as requisitioning business unitBU3: USA
- as requisitioning business unitDefine Service provider relationship where USA procurement business unit serves as procurement and payables service provider for both Canada and USA requisitioning Business Units. - D. BU1: USA - as procurement business unit (BU)BU2: Canada - as requisitioning business unitBU3: USA
- as requisitioning business unitDefine Service provider relationship where USA procurement business unit serves as procurement and payables service provider for Canada Requisitioning Business Unit.
Answer: A
NEW QUESTION 34
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. Reorder the implementation names in the beans.xml file such that the desired alternative is listed earlier.
- B. Start up the server with the optional -alternative command-line option, specifying any alternative class names in a comma-separated list.
- C. Delete the regular implementation class from the WAR.
- D. Use the alternatives element in the beans.xml file and specify the class name in the class element within it.
Answer: B
NEW QUESTION 35
Given the code fragments:
Which action completes this composite primary key implementation?
- A. Add @IdClass(ContactId.class) annotation at line 2.
- B. Add @Embeddable annotation at line 1 and @EmbeddedId(ContactId.class) at line 2.
- C. Add @Embeddable annotation at line 1 and replace both @Id annotations with @EmbeddedId annotations.
- D. Add @IdClass annotation at line 1.
Answer: B
NEW QUESTION 36
Which two statements are true about the relationship between JavaServer Pages (JSP) and servlets?
(Choose two.)
- A. A JSP page must be written as either an XML file or a JSP file before it is turned into a servlet.
- B. A JSP page is interpreted by JSPServlet.
- C. A JSP page has access to the same information, objects, and a context as a servlet.
- D. A JSP page must extend the HTTPServletclass to behave like a servlet.
Answer: A,D
NEW QUESTION 37
Given the code sample:
And:
And:
And the next fragment from beans.xml:
And this injection point:
@Inject GenericMessenger messageHandler;
Which type would be injected at run time and referenced by the messageHandler variable?
- A. MsgHandler
- B. SmsHandler
- C. None of the above. An exception would be thrown due to ambiguous bean references.
- D. GenericMessenger
Answer: D
NEW QUESTION 38
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 39
Which two options constitute the rights and responsibilities of a legal Entity?
- A. Facilitate resource allocation
- B. Own property
- C. Manage warehouses
- D. Account for themselves to regulations, taxation authorities, and owners according to rules specified in the relevant legislation
- E. Create opportunities for new business
Answer: B,D
NEW QUESTION 40
Which type allows you to share servlet attributes across your entire web application?
- A. ServletRequest
- B. ServletContext
- C. ServletConfig
- D. HttpSession
Answer: B
NEW QUESTION 41
Given the code fragment:
Which method should be used on line 3to enable default validation mechanism?
- A. u.setAdapter(XmlAdapter)
- B. u.setProperty(Schema)
- C. u.setProperty(String, Object)
- D. u.setEventHandler(ValidationEventHandler)
Answer: A
Explanation:
Explanation/Reference:
Reference: https://docs.oracle.com/javaee/6/api/javax/xml/bind/Unmarshaller.html
NEW QUESTION 42
Your customer decides to implement Cloud Procurement and Inventory. While discussing with your customer, you come to know that they have a business that spans across multiple locations and they have warehouse situated across USA and Canada.
1. All their procurement, payables, and distribution activities take place from USA.
2. They have a central warehouse in USA and after the goods are delivered to this warehouse, they are distributed across multiple additional warehouses. The warehouses are managed separately from the requisitioning units.
3. For requesting material they have two units. One located in USA that monitors the current stock. They are responsible for creating requisition for any material shortage in USA. They have another location in Canada for requesting material.
Which setup fulfills this scenario?
- A. BU1: USA - as procurement business unit (BU)
BU2: Canada - as requisitioning business unit
BU3: USA - as requisitioning business unit
Define Service provider relationship where USA procurement business unit serves as procurement and payables service provider for both Canada and USA requisitioning Business Units. - B. BU1: USA - as procurement business unit (BU)
BU2: Canada - as requisitioning business unit
BU3: USA - as requisitioning business unit
Define Service provider relationship where Canada procurement business unit serves as procurement and payables service provider for Canada Requisitioning Business Unit. - C. BU1: USA - as procurement business unit (BU)
BU2: Canada - as requisitioning business unit
BU3: USA - as requisitioning business unit
Define Service provider relationship where USA procurement business unit serves as procurement and payables service provider for Canada Requisitioning Business Unit. - D. BU1: USA - as procurement and requisitioning Business Unit (BU)
BU2: Canada - as requisitioning Business Unit
Define Service provider relationship where Canada procurement business unit serves as procurement and payables service provider for Canada Requisitioning Business Unit.
Answer: D
Explanation:
Explanation/Reference:
NEW QUESTION 43
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. <input id="search" jsf:placeholder="Search Here" value="$(searchMB.query)"></input>
- B. <h:inputText value="#(searchMB.query)"><f:param name="placeholder" value="Search Here"/></h:inputText>
- C. <h:inputText value="#(searchMB.query)" placeholder="Search here"/>
- D. <input jsf:id="search" placeholder="Search here" jsf:value="# (searchMB.query)"></input>
- E. <h:inputText pt:placeholder="Search Here" value="#(searchMB.query)"/>
Answer: A,D
NEW QUESTION 44
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 45
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