Oracle 1Z0-807 - Questions & Answers
Free preview · every answer includes a full explanation
Product page: https://prepkeys.com/1z0-807.html
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?
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?
A Hot Potato anti pattern can arise from misuse of which technology combination?
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?
Your consulting company has been asked to enhance an existing application. The current application is a
100% Real Q&As | 100% Real Pass
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?
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?
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?
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?
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?
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?