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Free 1Z0-807 Sample Question 1
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?
Free 1z0-807 Sample 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?
Free 1z0-807 Sample Question 4
You are the architect of an existing project. Making changes to one component frequently requires making changes to many other components.
Which action would reduce future maintenance costs?
Free 1z0-807 Sample Question 5
Your consulting company has been asked to enhance an existing application. The current application is a two-tier system in which all the business logic is located in thick clients. You are considering a solution that would involve moving the business logic into the server's database In the form of stored procedures.
Which statement is an expected outcome of your proposed solution?
Free 1z0-807 Sample Question 6
A company manufactures widgets for sale to distribution. Distributors call this company when they want to order more widgets. The company wants the distributors to send orders using XML documents over the Internet to reduce the number of data entry personnel needed. It has no control over the distributors technologies. The company does not want the Orders to impact the performance of other users. You have been assigned the task of designing a new API.
Which method do you use?
Free 1z0-807 Sample Question 7
You have been recruited by an online retailer of footwear to conduct a review of their online systems. Your primary Finding is that the development team has implemented duplicated complex business logic as Java scripts directly into the JSPs, causing performance, scalability, and maintainability issues.
Which two design patterns would you select to improve the current code base?
Free 1z0-807 Sample Question 8
A successful web application is used by over two hundred thousand users. Due to this substantial load, the database is over bridged and fails frequently. All data, included critical user records and temporary session data, is stored in the database. Because of resource constraints, a new database system cannot be installed.
Which change will reduce the load on the database?
Free 1z0-807 Sample Question 9
MedLabML is a startup firm that moves patient data between different care providers to provide a "single patient view". They use a B2B system to exchange electronic business document with their key suppliers. They are seeking your advice about standards to review for improving their message-level security.
Which standard or API would you recommend they read?
Free 1z0-807 Sample Question 10
You have been tasked with improving the availability of an existing three tier application.
What is your first stop in evaluating what changes should be made to the architecture to achieve the goal?
Free 1z0-807 Sample Question 11
While analyzing an existing web application, you observe the following issues in the source code:
. Duplicate control code is scattered throughout various view.
. Business and presentation logic are mixed within these view.
The next phase of the project involves refactoring the existing code to address these two issues.
Which design pattern, if employed in the refactoring exercise, would most directly address the two issues?
Free 1z0-807 Sample Question 12
You are using an open source integration framework in your project. However, key interfaces do not explicitly define several strange conditions you have repeatedly seen while testing.
Which option is the name given to the anti pattern described above?
Free 1z0-807 Sample Question 15
Your development team wants to use Google Guice. A previous architect assigned this request a low priority, citing the complexity of integration and no compelling benefits statements from the requesting team.
The team claims that their colleagues have achieved the integration using a pattern. This pattern reduced the level of difficulty and risk and did not require vendor support.
Which pattern fits this description?
Free 1z0-807 Sample Question 17
A travel company re-architects its application from a two-tier to a three-tier architecture. To see what impact the new architecture has on its non-functional requirements (NFR), the company intends to build a prototype based on the new architecture.
The company compares the NFR metrics associated with the new prototype against the metrics from their original two-tier solution.
Which option is an advantage of the original two-tier solution?
Free 1z0-807 Sample Question 22
A manufacturing company has a large investment in a legacy Inventory Management System (IMS) developed with third-party technologies. You have been asked to design a Java EE application that interacts with it.
You would like to ensure the following:
. Minimal application code is required to parse the communication messages.
. Communication is asynchronous and stateless.
. Performance import of the existing system is minimal.
Which two technologies combined would meet these requirements?
Free 1z0-807 Sample Question 24
You need to restrict access to the administration screens in your website. Which two techniques test a user's permissions before granting access to a particular screen?