Which two statements are true about the timer service of a business component container? A. Timed notifications for all types of session beans can be scheduled by using this service. B. When the server is shut down, the timer is…
Which three actions restrict the ability of a web application to scale in response to load as additional computing resources are made available to it? A. Implementing the Singleton pattern in the web tier B. Implementing core business logic in…
Which type of application would benefit from using the Singleton pattern? A. An application that interacts with external systems in serial fashion. B. An application that interacts with external systems in parallel fashion. C. A clustered application that can support…
Your company uses a payroll application that was developed using Java technologies. The company has acquired another company and plans to integrate its payroll process in existing application. You have been asked to implement this integration. You observe that the…
Which two statements apply to unsigned applets? A. They can access the client file system. B. They can connect to third-party servers. C. They can connect to the originating host. D. They can invoke public methods of applets on a…
You are the architect of a web application that uses javaServer Faces (JSF) as a presentation tier for business processes coded as stateless session beans. When you add new code to the stateless session beans to address new accounting requirements,…
Which two statements are true about the timer service of a business component container? A. Timed notifications for all types of session beans can be scheduled by using this service. B. When the server is shut down, the timer is…
Which three statements are true about inheritance? A. Inheritance helps to reuse existing code implementations. B. It should be possible to substitute the derived class for its base class. C. Inheritance allows you to modify the behavior of objects. D.…
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 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