YourDocs is an application that retrieves PDF documents of selected topics from both trusted and untrusted websites. It has been developed using a non-Java technology. You are designing your Mlearn, a mobile-based e-learning application, which will be implemented in Java. You plan to integrate YourDocs with your application.
Which web service technology would you choose to Integrate YourDocs into the YourMLearn application?
A. JAX-WS
B. JAX-WS with REST
C. JAX-RPC
D. JAX-RS
Which two functions are essential parts of a service oriented architecture (SOA) infrastructure?
A. The service provider, which executes business logic in a stateless fashion
B. The service consumer, which accesses services from the service repository
C. The service repository, which stores software component metadata
D. The service broker, which delivers well-defined service-level agreements
E. The service look-up facility, which provides a central resource for naming and access
A business application that runs in an Enterprise JavaBeans (EJB) container must communicate with a transactional third-party service. The communication technology must allow changing service providers without changing the application's business model.
Which technology would meet these requirements?
A. Java Message Service
B. Remote Method Invocation
C. Simple Object Access Protocol
D. Java Connector Architecture
E. Java Business Integration
Which three principles are best practices when implementing a logging strategy for an enterprise application?
A. Never print log messages to the console window.
B. Use the appropriate logger level for logging information.
C. Log messages for every method entry and exit.
D. Include programmer-specific data in the log messages.
E. Include the thread name and Java class name in log messages. 100% Real QandAs | 100% Real Pass
Which two are primary concerns for a service-oriented architecture (SOA)?
A. Low cohesion
B. Loose coupling
C. Session handling
D. Well defined contracts
Your company is considering migrating a persistence module, originally implemented as CMP entity beans, to now use JPA.
Which two statements are true?
A. Each CMP entity bean can be mapped to a single JPA entity class.
B. The client code that accesses the CMP entity beans does not have to change.
C. IPA cannot capture all the kinds of relationships supported by CMP entity beans.
D. The resulting IPA persistence module can be used on both the client and the server.
E. The JNDI name of a JPA entity class can be customized to match that of the corresponding CMP entity bean.
F. Remote clients of the CMP entity beans must start using web services to access the JPA entity classes on the server.
Your application produces messages by client applications. The number of clients interested in the messages varies continuously at run time. Any client can process any message, but a message must be processed exactly once.
How should the messages be delivered to the clients?
A. Using a Java Message Service (JMS) topic
B. Using a Java Message Service (JMS) queue
C. Using XML over HTTP
D. Using a Simple Object Access Protocol (SOAP) web service
Which two security threats are negated by encrypting network transactions with Transport Layer Security (TLS)?
A. SQL injection
B. Session hijacking
C. Man in the middle
D. Cross-site scripting
E. Denial of service
Which two kinds of applications benefit from the adoption of service oriented architecture (SOA) inspired
100% Real QandAs | 100% Real Pass patterns and practices?
A. An application that retains legacy systems while evolving to accommodate future business demands
B. An application with tightly coupled services that enable messages to flow easily
C. An application that utilizes fine-grained interfaces to provide communication to the object of a service
D. An application in which the communication between services and the business process are platform independent.
Your company provides a marketplace for industrial chemicals. You are required to offer accurate pricing and quantities to all marketplace users.
Marketplace users are globally distributed.
What is the most appropriate technology to use to satisfy this requirement?
A. Server-side distribution using JAX-WS
B. Client-side polling using JAX-RPC
C. Web services using REST
D. An enterprise messaging system
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