Oracle Java EE 7 Application Developer

1.

Which statement is true about the WS-Security standard?

It is a Java EE standard for protecting SOAP services. It relies on HTTP security mechanism to protect SOAP messages in transmit. It provides message-level security. It defines protocol-specific ways of protecting SOAP messages.

2.

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?

SmsHandler MsgHandler None of the above. An exception would be thrown due to ambiguous bean references. GenericMessenger

3.

On your JSF page, you have a form in which you have a command button: A user submits the form by clicking the button, and no errors occur while processing the request. Which statement is true?

The actNow() and ListenCarefully() methods are executed in parallel. The listenCarefully() method is executed followed by the actNow() method. The actNow() method controls the condition upon which the listenCarefully() method is allowed to be executed. The actNow method is executed followed by the listenCarefully() method.

4.

Given the code fragment: How long does this cookie persist?

until server shutdown until garbage collection in the servlet instance this request until browser shutdown

5.

Which statement is true about JAX-RS resource implementation?

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.

6.

How can you inject a target web service into an EJB?

Define service as an injectable resource by using the declaration. Use a HandlerChain. Use a java.xml.ws.WebServiceRef annotation. Use a java.xml.ws.WebServiceContext annotation.

7.

How can you configure, in a portable way, the number of threads used by a ManagedExecutorService?

programmatically, using a ManagedExecutorService using the ManagedExecutors utility class to define the execution properties This cannot be done because this configuration is dependent on the Java EE Product Provider. configuring the thread pool info in the deployment descriptor

8.

How can a servlet indicate to the browser that cookie data should be sent over a secure connection?

Call the getSecure(true) method on the cookie object. Encrypt the cookie data. The browser automatically sends encrypted data over a secure connection. Set the ENCRYPT header in the response. Configure SessionTrackingMode.SSL on the ServletContext object.

9.

Given the following code: What should you do at line 1 to enable this servlet receive request data without blocking?

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

10.

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

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

Oracle Java EE 7 Application Developer

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