微软MCTS认证考试70-516自学习培训套件

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"微软出版社的MCTS自学习培训套件，针对考试70-516，主题是使用Microsoft .NET Framework 4访问数据" 本书详细介绍了如何使用Microsoft .NET Framework 4来访问和处理数据，这是微软认证技术专家（MCTS）考试70-516的核心内容。MCTS认证旨在验证专业人士在特定技术领域内的技能，对于希望深入理解和应用.NET Framework 4的开发人员来说，这是一个重要的资格证明。 .NET Framework 4是微软开发平台的关键组成部分，它提供了广泛的类库和服务，用于构建各种类型的应用程序，包括Web应用、桌面应用以及移动应用。该框架包含了C#、Visual Basic .NET等编程语言，以及ADO.NET、Windows Communication Foundation (WCF)、Windows Presentation Foundation (WPF)等关键组件。本书的焦点在于ADO.NET，它是.NET Framework中用于访问数据库的主要技术。ADO.NET提供了一组数据访问对象，如Connection（连接）、Command（命令）、DataAdapter（数据适配器）和DataSet（数据集），使得开发者能够方便地与各种数据库系统交互，如SQL Server、Oracle或MySQL。书中会深入讲解如何创建和执行SQL查询，管理数据库事务，以及实现数据绑定到用户界面。此外，书中还可能涵盖了Entity Framework，这是微软提供的一个ORM（对象关系映射）工具，它允许开发者使用面向对象的编程模型来操作数据库，减少了对SQL的直接依赖。Entity Framework支持Code First、Model First和Database First等多种开发模式，为开发高效且易于维护的数据驱动应用程序提供了便利。关于考试70-516，考生需要熟悉.NET Framework 4中的数据访问技术，理解数据源控制、数据绑定、数据验证以及数据缓存策略。同时，可能会涉及使用WCF进行服务间通信，以及如何在分布式环境中处理数据。本书不仅提供了理论知识，还包括实践案例和练习题，帮助读者巩固所学，准备考试。读者可以通过完成书中的练习来提高实际操作技能，并通过在线资源获取额外的支持和反馈。 "Microsoft.Press.MCTS.Self.Paced.Training.Kit.Exam.70-516"是一本全面的指南，涵盖了.NET Framework 4下访问数据的关键技术和考试要求，是希望获取MCTS认证或提升.NET数据访问能力的开发人员的理想学习资料。

xvi Introduction

NOTE IF THE CD MENU DOES NOT APPEAR

If the CD menu or the license agreement does not appear, AutoRun might be disabled

on your computer. Refer to the Readme.txt le on the CD for alternate installation

instructions.

 2. Click Practice Tests and follow the instructions on the screen.

How to Use the Practice Tests

To start the practice test software, follow these steps:

 1. Click Start, All Programs, and then select Microsoft Press Training Kit Exam Prep.

A window appears that shows all the Microsoft Press training kit exam prep suites

installed on your computer.

 2. Double-click the lesson review or practice test you want to use.

NOTE LESSON REVIEWS VS. PRACTICE TESTS

Select the (70-516): Accessing Data with Microsoft .NET Framework 4 lesson review to

use the questions from the “Lesson Review” sections of this book. Select the (70-516):

Accessing Data with Microsoft .NET Framework 4 practice test to use a pool of ques-

tions similar to those that appear on the 70-516 certication exam.

Lesson Review Options

When you start a lesson review, the Custom Mode dialog box appears so that you can con-

gure your test. You can click OK to accept the defaults, or you can customize the number of

questions you want, how the practice test software works, which exam objectives you want

the questions to relate to, and whether you want your lesson review to be timed. If you are

retaking a test, you can select whether you want to see all the questions again or only the

questions you missed or did not answer.

After you click OK, your lesson review starts. The following list explains the main options

you have for taking the test:

■

To take the test, answer the questions and use the Next and Previous buttons to move

from question to question.

■

After you answer an individual question, if you want to see which answers are cor-

rect—along with an explanation of each correct answer—click Explanation.

xviiIntroduction

■

If you prefer to wait until the end of the test to see how you did, answer all the ques-

tions and then click Score Test. You will see a summary of the exam objectives you

chose and the percentage of questions you got right overall and per objective. You can

print a copy of your test, review your answers, or retake the test.

Practice Test Options

When you start a practice test, you choose whether to take the test in Certication Mode,

Study Mode, or Custom Mode:

■

Certication Mode Closely resembles the experience of taking a certication exam.

The test has a set number of questions. It is timed, and you cannot pause and restart

the timer.

■

Study Mode Creates an untimed test during which you can review the correct an-

swers and the explanations after you answer each question.

■

Custom Mode Gives you full control over the test options so that you can customize

them as you like.

In all modes, the user interface when you are taking the test is basically the same but with

different options enabled or disabled depending on the mode. The main options are dis-

cussed in the previous section, “Lesson Review Options.”

When you review your answer to an individual practice test question, a “References” sec-

tion is provided that lists where in the training kit you can nd the information that relates to

that question and provides links to other sources of information. After you click Test Results

to score your entire practice test, you can click the Learning Plan tab to see a list of references

for every objective.

How to Uninstall the Practice Tests

To uninstall the practice test software for a training kit, use the Program And Features option

in Windows Control Panel.

Acknowledgments

The author’s name appears on the cover of a book, but I am only one member of a much

larger team. Thanks very much to Valerie Woolley, Christophe Nasarre, and Karen Szall for

working with me, being patient with me, and making this a great book. Christophe Nasarre

was my technical reviewer, and he was far more committed to the project than any reviewer

I’ve worked with in the past. I certainly could not have completed this book without his help.

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