Oracle
1Z0-900
Java EE 7 Application Developer
QUESTION & ANSWERS
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QUESTION 1
Identify two valid WebSocket message types for which you can register handlers. (Choose two.)
A.
B.
C.
D.
Error Message
Binary Message
Pong Message
Ping Message
Correct Answer: B,C
QUESTION 2
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
requisitioningBusiness UnitDefine Service provider relationship where Canada procurement
business unit serves asprocurement 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 USA procurement
businessunit 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 Canada
procurementbusiness unit serves as procurement and payables service provider for Canada
Requisitioning BusinessUnit.
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
businessunit serves as procurement and payables service provider for both Canada and USA
requisitioningBusiness Units.
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Correct Answer: A
QUESTION 3
You defined an Inventory Organization that is meant to track the contract manufacturing process
outsourced to
a supplier.
Where do you mention that this Inventory Organization is meant for one particular supplier?
A.
B.
C.
D.
E.
Manage Inventory Organization Locations
Manage Subinventories
Manage Inventory Organizations
Contract
Manage Item Organizations
Correct Answer: C
QUESTION 4
Your client has decided that Discrete Manufacturing will be implemented at a future stage, so any
new supply
from current manufacturing will be added to current inventory by the Open Transactions Interface.
The
immediate requirement is to go live with Inventory and Order Management.
Which two seeded transaction types can be omitted for material status control?
A.
B.
C.
D.
E.
All Transaction Types Related to Work in Process
Average Cost Update
Backflush Subinventory Transfer
Miscellaneous Issues and Receipts
All Internal Transactions
Correct Answer: A,C
QUESTION 5
Which statement is true about Java methods that are exposed as Web Service operations by using
JAX-WS API?
A. The @WebResult annotation must exist.
B. Method parameters and return types must be JAXB compatible.
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C. Method parameters must be declared by using @WebParam.
D. The @WebMethod annotation must exist.
Correct Answer: D
QUESTION 6
What does the system do if you have not entered a count for a tag during physical inventory process?
A.
B.
C.
D.
E.
It will adjust your on-hand balances down to zero quantity.
You will not be able to post without a quantity for every tag.
Any adjustment will be rejected.
It will consider the current system quantity.
A warehouse person will be notified.
Correct Answer: A
QUESTION 7
Which statement is true about JAX-RS resource implementation?
A.
B.
C.
D.
The REST resource implementation class must extend the javax.ws.rs.core.Application class
The REST resource class can be implemented as a stateful Enterprise JavaBean (EJB).
The REST resource class can be implemented as a Plain Old Java Object (POJO).
The REST resource implementation class must not be final.
Correct Answer: A
QUESTION 8
Which three applications originate a buy request that is received by supply chain orchestration?
A.
B.
C.
D.
E.
F.
Purchasing
Inventory
Order Management
Planning
Self Service Procurement
Accounts Payable
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Correct Answer: B,C,D
QUESTION 9
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.
B.
C.
D.
Define an @OnMessage method with a single MimePart parameter.
Use a ChunkListener interface implementation.
Use a MessageHandler.Partial< ByteBuffer > interface implementation.
Define an @OnMessage method with byte [] as the first parameter and a boolean as the second
parameter.
Correct Answer: C,D
QUESTION 10
Given an HttpServletRequest request and an EJB SessionContext ctx.
Which is a valid way to retrieve the Principal invoking either behavior?
A.
B.
C.
D.
request.getCallerPrincipal() and ctx.getCallerPrincipal()
request.getUserPrincipal() and ctx.getUserPrincipal()
request.getCallerPrincipal() and ctx.getUserPrincipal()
request.getUserPrincipal() and ctx.getCallerPrincipal()
Correct Answer: A
QUESTION 11
Which code snippet indicates that the page you are designing is capable of handling errors?
A.
B.
C.
D.
< %@page errorPage=“errorHandler.jsp”% >
< %= requestScope[‘javax.servlet.error’] !=null % >
< %@page isErrorPage=“true”% >
< c:set var=“errorHandler” value=“true”/ >
Correct Answer: C
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QUESTION 12
What is true about Message-Driven Beans (MDBs)?
A.
B.
C.
D.
MDBs can participate in transactions.
MDBs are invoked synchronously.
Each MDBs can process messages only from a single client.
MDBs retain data caches between client calls.
Correct Answer: A
QUESTION 13
Which type allows you to share servlet attributes across your entire web application?
A.
B.
C.
D.
ServletContext
HttpSession
ServletRequest
ServletConfig
Correct Answer: A
QUESTION 14
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. Create opportunities for new business
E. Own property
Correct Answer: A,E
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