1Z1-900 試験問題を無料オンラインアクセス

A Java EE application that uses an EJB container must communicate with a legacy system developed using non-Java technologies.
Which two Java EE technologies can be used in the integration tier of the application? (Choose two.)

• A.JCA
• B.JMS
• C.JPA
• D.JSF

A Persistence application locks entity x with a LockModeType.PESSIMISTIC_READ lock type. Which statement is true?

• A.LockModeType.PESSIMISTIC_READ is the synonym of LockModeType.READ
• 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 result in a TransactionRolledbackException if the lock cannot be obtained.
• D.This operation will force serialization among transactions attempting to read the entity data.

Which statement is true about the relationship between HTTP and WebSockets?

• A.A WebSocket connection is initialized with an HTTP handshake.
• B.A WebSocket connection can be initialized by either client or server.
• C.A WebSocket connection is a bi-directional HTTP session with message-handling support.
• D.A WebSocket connection uses HTTP protocol to exchange data with the browser.

: 27
Given:

Which client-side Java method will send the employee object to the WebSocket Server Endpoint?

• A.remote.sendObject(employee);
• B.container.send(employee);. session.send(employee);
• C.session.post(employee);

You need to load on-hand balances for go live. Which template should be used for this?

• A.InventoryOnHandBalanceTemplate.xlsm
• B.InventoryReservationImportTemplate.xlsm
• C.InventoryMiscellaneousTrxTemplate.xlsm
• D.InventoryTransactionImportTemplate.xlsm
• E.InventoryBalanceImportTemplate.xlsm