Oracle 1Z0-895 問題集

質問 1：
A developer wants to package an enterprise bean FooBean within a .war file:
@Stateless
public xlass FooBean {
public void foo () {}
}
Which package approach is correct?
A. / (Root)
I - WEB - INF /
I - Classes/
I - acme
I - FooBean.class
B. / (Root)
I - acme
I - FooBean.class
C. / (Root)
I - WEB - INF /
I - acme
I - FooBean.class
D. / (Root)
I - META - INF /
I - acme
I - FooBean.class
正解：A
解説: (Topexam メンバーにのみ表示されます)

質問 2：
A developer is writing client code to access a session bean deployed to a server instance.
The client can access the session bean under which of these circumstances? (Choose three)
A. The client is deployed in the same JVM as the session bean and the session bean has a local interface.
B. The client is deployed in the same JVM as the session bean and the session bean exposes a no-interface view.
C. The client is deployed in a different JVM from the session bean and the session bean has a local interface.
D. The client is deployed in a different JVM from the session bean and the session bean has a remote interface.
E. The client is deployed in a different JVM from the session bean and the session bean has a no-interface implementation.
正解：A,B,D
解説: (Topexam メンバーにのみ表示されます)

質問 3：
Suppose an EJB named HelloWorldBean is deployed as a standalone ejb-jar. Assuming the HelloWorldBean is implemented as follows:

Which HelloWorldBean methods are accessible by another EJB within the same ejb-jar?
A. All of the methods declared in HelloWorldBean
B. All of the public methods declared in HelloWorldBean
C. All of the methods declared in HelloWorld and HelloWorldBean
D. All of the public methods declared in HelloWorld and all of the methods declared in HelloWorldBean
正解：B
解説: (Topexam メンバーにのみ表示されます)

質問 4：
A developer examines a list of potential enterprise applications and selects the most appropriate technologies to use for each application.
For which two applications is EJB an appropriate solution? (Choose two.)
A. To receive and respond to HTTP Post requests directly from a web browser.
B. As an online shopping cart which can persist across multiple sessions with a single client.
C. To render a GUI for mobile clients.
D. As a Web service endpoint accessed by non-Java clients.
E. As a container for web-tier components including JSP.
正解：B,D

質問 5：
A Java EE application server has four different security realms for user management. One of the security realms is custom made. This realm supports only individual user entries, no grouping of users, and is used by the application. Which two statements are true? (Choose two.)
A. The annotation @RunAs("AAA") can still be used for this application.
B. EJB developers cannot use the isCallerInRole method.
C. All security roles can be mapped successfully to individual users in the realm.
D. All security roles need a role-link entry in the deployment descriptor.
正解：A,C
解説: (Topexam メンバーにのみ表示されます)

質問 6：
Which two are true about the client view of a message-driven bean? (Choose two.)
A. Clients of a message destination need to know that the destination is listened to by a pool of message consumers,
B. References to message destinations cannot be looked up in the client's JNDI namespace.
C. References to message destinations can be infected.
D. Clients of a message destination do NOT need to know that the destination is listened to by a message-driven bean.
正解：C,D

質問 7：
A developer needs to deliver a large-scale enterprise application that connects developer chooses an EJB 3.1-compliant application server, which three are true about the EJB business component tier? (Choose three.)
A. Thread pooling can be optimized by the Bean Provider programmatically.
B. EJB 3.1 compliant components are guaranteed to work within any Java EE 6 application server
C. Clustering is guaranteed to be supported by the EJB 3.1 container.
D. Support for server fail-over is guaranteed for an EJB 3.1-compliant application server.
E. Bean Providers are NOT required to write code for transaction demarcation.
F. Load-balancing is NOT a guarantee for all EJB 3.1 containers.
正解：B,E,F
解説: (Topexam メンバーにのみ表示されます)