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Q1. A Java EE application contains business logic composed of EJB beans. All current clients are Java applications accessing the business logic using RMI. Some clients are remote (running in different JVMs) and some are local (running in the same JVM). Which of the following two occur if EJB components are exposed as Web services? (Choose two.)
A. New client applications can be built using the published WSDL to access existing business logic
B. Current remote clients must switch from RMI to web service access.
C. New remote clients can access business logic using RMI or web service access
D. New local clients must access business logic using only RMI
E. New clients must only be written in java to access business logic
Answer: AC
Q2. Given this class: Choose the statement that best describes the potential to write a client implemented using JAX-WS to interact with the JAX-RS (restful) web service defined by this class (Choose one):
A. It is impossible, since JAX-WS requires that the underlying interaction be SOAP-based, and JAX-RS does not support SOAP.
B. It is impossible, since JAX-RS does not support the same extension mechanism via JAX-WS Handlers that JAX-WS supports.
C. It is possible, since the JAX-WS API can be used to create a client that uses a simple raw XML protocol to interact with a service at a given URL.
D. It is possible, since a JAX-WS proxy Port type can be generated to use a simple raw XML protocol to interact with a service at a specific fixed URL.
Answer: C
Q3. An organization has business logic implemented in EJB components. Current clients use container-managed, role-based security to access the business logic using RMI. Management has determined that the business logic must be made available to non-RMI clients using a Web service.
Which container-managed Web service security mechanism would the development team? use to allow Web service clients to use the current security model? (Choose one)
A. XKMS
B. XACML
C. XML Digital Signature
D. HTTP Basic Authentication
E. annotations mapped to the JAX-WS runtime
Answer: D
Q4. In designing the security for your enterprise application with multiple Web services, you don't want that each of the services handle user authentication by itself. Then which of the following you can use in your design?
A. enable secure conversation for each service
B. a centralized Policy Decision Point (PDP) via XACML
C. a Security Token Service (STS)
D. use transport level security with SSL
Answer: C
Q5. Which of the following two EJB types can be used as web service endpoints ? (Choose two.)
A. Stateful Session EJB
B. Message-Driven EJB
C. Stateless Session EJB
D. Singleton Session EJB
Answer: CD
Q6. Given that:
What is X in the above code? (Choose one)
A. byte[]
B. DataHandler
C. Image
D. Byte[]
Answer: C
Q7. An engineer is creating a WSDL 1.1 document, and is having difficulty with the wsdl:messages section.
Which two statements are true about wsdl:messages in a WSDL 1.1 document? (Choose two.)
A. Both type and element attributes can be used on the same wsdl:part.
B. Both type and element attributes can be used on the same wsdl:binding.
C. The type and element attributes cannot be used on the same wsdl:part.
D. The type and element attributes cannot be used on the same wsdl:binding.
E. Document-style messaging allows the type attribute.
F. Document-style messaging allows the element attribute.
Answer: CF
Q8. What is an advantage of enabling Addressing feature on an endpoint?
A. Addressing ensures reliable transfer of messages between client address and the service address.
B. Addressing ensures the message exchanges between the client and service are properly secured.
C. Addressing enables the optimization of messages exchanged between the client and the service.
D. Addressing provides transport-neutral way to address the endpoints and messages.
Answer: D
Q9. A developer creates the following web service:
Assuming that he packages the class in a war file without deployment descriptors, the web service is hosted by a EE container relative to module context at ? (Choose one)
A. "/Invoice"
B. "/InvoicePort"
C. "/InvoiceService"
D. "/InvoiceWebService"
Answer: C
Q10. A company has contracted a developer to create their new accounting system. The system the developer will replace runs a monolithic web application using one web server and one database server. Technical requirements state the developer must write the business logic in Java, deploy to the application server and push the presentation logic onto the web servers. What are three characteristics of services in the proposed Service Oriented Architecture? (Choose three.)
A. Services are coarse grained.
B. Services are finely grained.
C. Services are loosely coupled.
D. Services are tightly coupled.
E. Clients must be implemented in the Java technology.
F. Services are platform agnostic, network-addressable web APIs.
Answer: ACF
