1Z0-900 Training & Certification Get Latest Java EE and Web Services Updated on Oct 29, 2021 [Q57-Q73]

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1Z0-900 Training & Certification Get Latest Java EE and Web Services Updated on Oct 29, 2021

Certification Training for 1Z0-900 Exam Dumps Test Engine


Oracle 1Z0-900 Exam Syllabus Topics:

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

 

NEW QUESTION 57
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 enterprise application
  • B. for the lifetime of the session
  • C. for the lifetime of the Service object
  • D. for the lifetime of the request

Answer: C

 

NEW QUESTION 58
Given the set of navigation rules:

Which two define a valid flow of view IDs through the application? (Choose two.)

  • A. home > goodbye > list-widgets
  • B. home > list-widgets > add-widget > goodbye
  • C. list-widgets > add-widget > home > dashboard > home
  • D. dashboard > home > add-widget > list-widgets

Answer: B,C

 

NEW QUESTION 59
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 must extend the HTTPServlet class to behave like a servlet.
  • C. A JSP page is interpreted by JSPServlet.
  • D. A JSP page has access to the same information, objects, and a context as a servlet.

Answer: A,B

 

NEW QUESTION 60
Given the code fragment:

When the context root is requested http://host:port/context, how does the container resolve this mapping?

  • A. secondServlet handles the request.
  • B. firstServlethandles the request.
  • C. thirdServlethandles the request.
  • D. The container throws an error at startup.

Answer: D

 

NEW QUESTION 61
While creating the consignment agreement, you have set the consumption advice frequency to "monthly" and the billing cycle close date to "31st August, 2020".
What will happen when you run the consumption advice process on 31st August, 2020?

  • A. Consumption advice is created and the next closing date is set to 7th September, 2020.
  • B. Consumption advice is created and the next closing date is set to 30th September, 2020.
  • C. Consumption advice is created and the next closing date is set to 30th October, 2020.
  • D. No consumption advice is created.

Answer: B

 

NEW QUESTION 62
Your customer is setting up serial control. The requirement is that if item A has serial 123, then they don't want item B to also have serial 123 within the same inventory organization.
Which serial control setting must be used to meet this requirement?

  • A. Unique across organizations
  • B. Unique within organization
  • C. Unique within items
  • D. Unique within Item and organization
  • E. Unique across Enterprise

Answer: B

 

NEW QUESTION 63
How do you specify a default error page in your web.xmlfile?
<on-error>

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

Answer: B

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

 

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

 

NEW QUESTION 65
Which interface should you implement if you want to be alerted to the lifecycle events surrounding your task being executed by a ManagedExecutorService?

  • A. the TaskEventListenerinterface
  • B. the ManagedExecutorTaskinterface
  • C. the RunnableInterface
  • D. the ManagedTaskListenerinterface

Answer: D

Explanation:
Explanation/Reference:
Reference: https://github.com/javaee/concurrency-ee-spec/blob/master/api/src/main/java/javax/enterprise/ concurrent/ManagedExecutorService.java

 

NEW QUESTION 66
Given:

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

  • A. @Stateless
  • B. @Stateful @PassivationCapable
  • C. @Stateful
  • D. @Stateless @PassivationCapable

Answer: C

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

 

NEW QUESTION 67
Which two capabilities are provided by the Java Authentication and Authorization Services (JAAS) API?
(Choose two.)

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

Answer: A,D

Explanation:
Explanation/Reference: https://docs.oracle.com/javase/8/docs/technotes/guides/security/jaas/JAASRefGuide.html

 

NEW QUESTION 68
Which URL represents an invalid approach to pass a parameter to a REST resource?

  • A. <base-url>/Employees/1
  • B. <base-url>/Employees?value=1
  • C. <base-url>/Employees;value=1
  • D. <base-url>/Employees&value=1

Answer: C

 

NEW QUESTION 69
Given the following code:

What should you do at line 1 to enable this servlet receive request data without blocking?

  • A. Define an AsyncListener and assign it to the AsyncContext object.
  • B. Define a ReadListener and assign it to the request input stream.
  • C. Use a Runnable instance with the start () method of AsyncContext.
  • D. Create a Callable class and delegate this operation to a ManagedExecutorService by using the dispatch method of AsyncContext.

Answer: A

 

NEW QUESTION 70
How do you specify a default error page in your web.xml file?

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

Answer: D

 

NEW QUESTION 71
You created two filters for your web application by using the @WebFilterannotation, one for authorization and the other for narrowing results by the provided search criteria. The authorization filter must be invoked first.
How can you specify this?

  • A. placing the filter mapping elements in the required order in the web.xmldeployment descriptor
  • B. placing @WebFilterMappingannotations in the required order
  • C. specifying the filter precedence order by using the @Priorityannotation
  • D. setting the priorityattribute of the @WebFilterannotation for each of the filters

Answer: D

 

NEW QUESTION 72
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 two separate departments and a single cost center.
  • B. Define them as a single department and two separate cost centers.
  • C. Define them as one department and one cost center.
  • D. It is not possible to fulfill the requirement.

Answer: B

Explanation:
Explanation

 

NEW QUESTION 73
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Java EE and Web Services 1Z0-900 Real Exam Questions and Answers FREE Updated: https://drive.google.com/open?id=1XWFYbC8WhfEu8nFEt19wXKmZ-mqQdPpC