Your company requires all its developers to use a well-specified set of exception classes to model several common error conditions, many of the which are specific to its business. These exception classes are centrally maintained and come packaged in a library (a JAR file). The application you are developing needs to report a number of error conditions covered by this library to remote clients.
Which paring of component type and remote access technology enables client applications to use the predefined exceptions as part of their natural programming model?
Servlet accessed using HTTP
Entity bean accessed using web services
Stateless session bean accessed using Remote Method Invocation (RMI)
Message-driven bean accessed using Java Message Service (JMS) queue
Correct answer: C
Question 2
An investment company has purchased a number of small online business referral systems that appeal to various niche demographics. The company wants to bring these networks together in hopes of finding a broad, single theme and brand image for these groups before they can do that, they need to get the users communicating with outside their current networks.
Which Web Services pattern would you recommend they consider in building a scheme to accommodate this communication?
Asynchronous Interactions
PAOS Interactions
Web Services Broker
JMS Bridge
Correct answer: A
Question 3
A Hot Potato anti pattern can arise from misuse of which technology combination?