Free Oracle 1Z0-897 Exam Dumps Questions & Answers

A team of developers is designing RESTful Web services for a new application. What are three properties of the services? (Choose three.)

• A.They can be stateless.
• B.Components communicate by directly performing operations on the resource.
• C.Components communicate by exchanging representations of the resource.
• D.They require WSDL service API definitions.
• E.They can be stateful.
• F.Responses can be labeled as cacheable or non-cacheable.

Which two statements are true about the interoperability of Web services developed using the Java EE 6 platform? (Choose two.)

• A.Testing for WS-I Profile conformance improves interoperability.
• B.Interoperability is improved by restricting access only to Java clients.
• C.Only servlet-based endpoints are used when exposing services to non-Java clients.
• D.The signature of Web service methods is limited to parameters and return types that are concrete types and simple arrays of concrete types.
• E.EJB-based endpoints are more difficult for .NET clients to access.
• F.The service must be published in both the .NET and Java UDDIs.

Given the two classes:

Choose the option that best evaluates the example:

• A.This is an invalid example, because singleton EJBs used as JAX-RS resources must explicitly state what locking strategy they will require.
• B.This is an invalid example, because EJBs that are to be used as JAX-RS subresources have to match the type of EJB of their "parent" resource.
• C.This is an invalid example, because the JAX-specification only allows root resource types to also be EJBs.
• D.This is a valid example of two EJBs used as JAX-RS resources, one a root resource and the other a subresource.

Given the following web service:

How many web methods are there in the above web service ? (Choose one)

• A.4
• B.2
• C.3
• D.1
• E.5

Which two statements are true about the I-Stack and annotations technologies? (Choose two.)

• A.Method parameters and return types must be compatible with the JAXB 2.0.
• B.JAX-WS uses annotations to invoke Web service requests at runtime.
• C.@WebMethod is required for private methods, but public methods are exposed in any service automatically.
• D.With 64-bit Java, JAXB compatible parameters are preferred for performance.
• E.Declaring business methods final is a good way to protect the integrity of the implementation class.