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Exam : Microsoft 70-549(C++)
Title : Design & Develop Enterprise Appl by Using MS.NET Frmwk


1. You are an enterprise application developer. You create a distributed application that transfers data across tiers. The application transfers multiple rows of data per transaction to business components through a Microsoft .NET Framework remoting channel. The application binds this data to user interface components. The .NET Framework remoting channel is configured to use binary serialization.
After the data is retrieved from the data source, the data is not changed. The distributed application must meet the following criteria:
Consume minimum memory for any data location.
Make minimum use of the processor for any data location.
You need to identify the type of object to serialize. Which object should you choose?
A. a DataSet object
B. a DataReader object
C. an XmlReader object
D. a DataTable object
Answer: D

2. You are an enterprise application developer. You are creating an application to manage the inventories of 1,000 stores in geographically dispersed locations. The stores are connected to the main office through a secure network infrastructure. Inventory data from the store servers must be consolidated at the main office everyday. The main office initiates the consolidation by calling a component at the store. Transactional integrity must be maintained during consolidation. Security policy requires the application to propagate Microsoft Windows security context throughout the system to ensure authorization and authentication. Security policy does not permit Web servers at the stores. You need to recommend a reusable component technology that permits data from the store servers to be consolidated at the main office. You also need to ensure that the security policy requirements are met. What should you recommend?
A. Web services
B. Serviced components
C. .NET Remoting over HTTP
D. .NET Windows service
Answer: B

3. You are an enterprise application developer. You create 10 applications. Your companys application server will host the applications. You are responsible for designing a monitoring solution for the applications.
Your monitoring solution must meet the following criteria:
The solution must be reusable.
The solution must aggregate all data into one display.
You need to design a solution to meet the requirements. What should you do?
A. Add performance counters and Microsoft Windows Management Instrumentation (WMI) events to each application. View the counter data in the Performance Monitor and develop a custom application to view the WMI data.
B. Write data access code in each application to update a database table. Write an ASP.NET application to display the aggregated data.
C. Develop a custom monitoring object. Use the object in each application. Aggregate the information from the custom object into a report and publish it to a Web server every hour.
D. Write a Web service to store the monitored information. Write one Web method per application to retrieve the monitored data. Call the Web service from each application.
Answer: C

4. You are an enterprise application developer. You design and develop an event logging strategy for a distributed system. The distributed system consists of a Web-based application, a Microsoft Windows service, and several Microsoft Windows-based applications.
The event logging strategy must meet the following requirements:
All system errors are logged and available to a central administration application.
The data is available for historical analysis.
The delivery mechanism is fault-tolerant and reliable.
You need to recommend a system-wide event logging strategy. What should you recommend?
A. Write events to the event log on each client computer. Use File Transfer Protocol (FTP) to send the events to the central server at the end of the day.
B. Write events to a DataSet object. Serialize the results to the central server on a configurable timer.
C. Write events to a Message Queue and import them into a database.
D. Write a Web service that logs events to the centralized data store.
Answer: C

5. You are an enterprise application developer. You create a large-scale, managed application that needs a consistent approach to event logging.
The application must format and log events to 20 destinations. Events from 15 sources must be collated onto a single computer. The application must perform the following tasks:
Maintain consistent logging and instrumentation practices, both within an application and across the enterprise.
Ease the learning curve for developers by using a consistent architectural model.
Support custom implementations of formatters and event sinks.
Generate log entries as discrete events or as part of a traced process.
You need to select an appropriate implementation approach. Which approach should you choose?
A. Use the Logging and Instrumentation Application Block from Enterprise Library.
B. Write a custom event management component based upon the Publisher-Subscriber pattern.
C. Use the EventLog component from Microsoft .NET Framework.
D. Use the Message Queuing components from Enterprise Services.
Answer: A

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