Free Oracle 1Z0-807 Practice Test & Real Exam Questions

A company must honor a service-level agreement (SLA) for its application, which states all database requests must execute within three seconds.
Users complain that some requests take longer than five seconds to complete. You have been contracted to fix the problem.
Which course of action do you recommend?

Which two use cases are best suited to the RPC style of messaging using Simple Object Access Protocol (SOAP)?

What are two consequences of using the Composite View pattern?

Which statement is true about the use of security-related annotations in an enterprise bean?

Which two statements are true about Java integration technologies?

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?

Your company has decided to expose a set of business operations through an API so that clients can access them remotely. These operations, which are modeled as methods on a stateless session bean component, act as building blocks for complex state-changing activities that need to possess atomicity,, consistency, isolation and durability (ACID) semantics.
Select the best technology to implement the API.

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?

You are conducting a security audit for a web application that uses URL rewriting. The application does not allow for user-generated content and is accessible only via secured VPN.
Which two security threats would you prioritize in your audit?