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Category: 70-549

Exam 70-549: PRO: Designing and Developing Enterprise Applications by Using the Microsoft .NET Framework

What should you do?

You are an enterprise application developer. You are designing an event logging mechanism for an application. The application will be installed on all computers in your company. The company policy has the following requirements: Developers must be informed of critical events.Help-desk technicians must have access to all events on each computer. You need to design the event logging storage strategy that complies with the company policy. What should you do?

you recommend?

You are an enterprise application developer. You are designing unit tests for a Customer class.
The Customer class contains properties to get or set data in private fields. The Customer class
also contains one default constructor and one non-default constructor. The non-default constructor accepts a Customer ID argument. When the non-default constructor is used to instantiate the Customer object, a public method named Load is invoked along with the Customer
ID argument. The Customer object properties are then loaded by using values from the database.
You need to design unit tests that will test the class properties. Which three test scenarios should
you recommend? (Each correct answer presents part of the solution. Choose three.)

What should you do?

You are an enterprise application developer. You are creating a set of three middle-tier Web services. Each Web service is deployed as a separate ASP.NET application. The Web services will include shared custom configuration settings. You are implementing an application configuration strategy. Your strategy must allow an administrator to do the following: Configure the default settings for all three Web services in a single XML file.Override any setting for any of the Web services. You need to implement a component to store the custom configuration settings. You also need to ensure that the configuration settings can be read by using the minimum amount of development effort. What should you do?

Which class should you use?

You are an enterprise application developer. You are creating a component to load data from Microsoft SQL Server database tables into combo boxes. The retrieved data has a numeric ID column and a description column. You need to select a .NET class that allows you to load the data. You also need to ensure minimal effect on the database server performance. Which class should you use?

What should you do?

You are an enterprise application developer. You are creating a component that will be part of a field-sales order system. The component will be used by a program installed on portable computers. The program will communicate with a corporate server that will use the guest network
access at customer sites. You need to ensure that the component design is optimized for performance. You also need to ensure that the component design protects the local data and the communications stream without compromising the flexibility of the communication mechanism.
What should you do?

What should you do?

You are an enterprise application developer. You plan to design the component architecture for a new large-scale enterprise application. You need to design a component architecture that meets the following requirements: The components must share common method implementations.The components must be able to support custom implementation of specific methods. What should you do?

What should you do?

You are an enterprise application developer. You are developing a component to contain a large number of properties. You plan to write a method in the component that will accept an object as a parameter. The method will return a formatted string representation of all property values of the object. You need to implement the method by ensuring the minimum amount of memory usage.
What should you do?

What should you do to find out the precise number of nanoseconds that were consumed by the call to the compone

You are an enterprise application developer. You create a Web Service that provides methods which return the values of a series of calculations. You identify performance problems in a component within the calculations. You need to find out the precise number of nanoseconds that were consumed by the call to the component. What should you do?


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