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70-561 Exam Details

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Vendor Microsoft
Certification MCTS
Exam Code 70-561
Title TS: Microsoft .NET Framework 3.5, ADO.NET Application Development
No Of Questions 287
Last Updated August 3,2020
Product Type Q & A with explantion
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70-561
TS: Microsoft .NET Framework 3.5, ADO.NET Application Development

About this Exam
Candidates for this exam use Microsoft Visual Studio to develop data-access portions of applications. Candidates should have a minimum of two to three years of experience developing Web, Windows, or distributed applications by using the Microsoft .NET Framework.

Questions that contain code will be presented in either VB or C#. Candidates can select one of these languages when they start the exam.

Audience Profile
Candidates for this exam use Microsoft Visual Studio to develop data-access portions of applications. Candidates should have a minimum of two to three years of experience developing Web, Windows, or distributed applications by using the Microsoft .NET Framework. Candidates should have a thorough understanding of relational database concepts and should have a minimum of one to two years of experience using Microsoft SQL Server and other relational database management systems, such as Oracle, DB2, and MySQL.
In addition, candidates should have a good grasp of the following:

* Structured Query Language (SQL)
* Stored procedures
* Data-bound controls

Credit Toward Certification
Exam 70-561: TS: Microsoft .NET Framework 3.5, ADO.NET Application Development: counts as credit toward the following certification(s):

Microsoft Certified Technology Specialist (MCTS): .NET Framework 3.5, ADO.NET Applications
Microsoft Certified Professional Developer (MCPD): Enterprise Applications Developer 3.5

This Training Cover
This exam measures your ability to accomplish the technical tasks listed below.
The percentages indicate the relative weight of each major topic area on the exam. Connecting to Data Sources (12 percent)

* Manage connection strings. May include but is not limited to: using the ConnectionStringBuilder; leveraging the ConfigurationManager; protecting the connection string; using Security Support Provider Interface (SSPI) or SQL Server authentication; correctly addressing the SQL Server instance; managing “User Instance” and AttachDBfilename

* Manage connection objects. May include but is not limited to: managing connection state, managing connection pool; implementing persistent data connections; implementing Multiple Active Result Sets (MARS); encrypting and decrypting data

* Work with data providers. May include but is not limited to: limitations, behaviors, performance, installation issues, deployment issues; ODBC, Microsoft OLE DB, SqlClient, managed providers, third-party providers, native providers

* Connect to a data source by using a generic data access interface. May include but is not limited to: System.Data.Common namespace classes

* Handle and diagnose database connection exceptions. May include but is not limited to: implementing try/catch handlers

Selecting and Querying Data (22 percent)
* Build command objects. May include but is not limited to: building Parameters collections; using input and output parameters and return values; selecting an appropriate CommandType action; selecting an appropriate Execute method; using the CommandBuilder class; choosing appropriate CommandBehavior
* Query data from data sources. May include but is not limited to: writing queries to solve assigned problems; implementing data paging; sorting, filtering, and aggregating data
* Retrieve data source data by using the DataReader. May include but is not limited to: retrieving data from SELECT statements; retrieving data from stored procedures; working with multiple result sets
* Manage data by using the DataAdapter or the TableAdapter. May include but is not limited to: retrieving data from SELECT statements; retrieving data from stored procedures; working with multiple result sets; working with JOIN products; creating updatable DataAdapters and TableAdapters; modifying TableAdapter Fill methods
* Execute an asynchronous query. May include but is not limited to: handling asynchronous events
* Handle special data types. May include but is not limited to: Binary Large Objects (BLOBs); Filestream, Spatial, Table Value Parameters
* Query data sources by using LINQ. May include but is not limited to: extended method; CLR delegate; lambda expressions; classes of the System.LINQ.Expressions namespace
* Manage exceptions when selecting data. May include but is not limited to: identifying and resolving syntax errors; security exceptions

Modifying Data (24 percent)
* Manage transactions. May include but is not limited to: selecting an appropriate transaction isolation level; participating in local transactions; participating in distributed transactions; using declarative transactions
* Manage data integrity. May include but is not limited to: cascading updates or cascading deletes; auto number management; server-generated value management; client-side data validation; business rules, constraints
* Update data. May include but is not limited to: update data by using stored procedures; update dataSets to data source; managing concurrency
* Manage exceptions when modifying data. May include but is not limited to: resolve exceptions from data integrity, constraint, or referential integrity violations; data locking conflicts; data collision issues
* Transform data by using LINQ. May include but is not limited to: aggregation operators; JOIN operator, QUERY operator, LIKE, etc.

Synchronizing Data (15 percent)
* Monitor event notifications. May include but is not limited to: implement notifications by using SqlDependency or SqlNotificationRequest
* Cache data. May include but is not limited to: SqlCacheDependency, Local Data Cache
* Manage update conflicts between online data and offline data.
* Partition data for synchronization.
* Implement Synchronization Services. May include but is not limited to: SyncAgent, SyncTable, ClientSyncProvider, ServerSyncProvider, SyncAdapter

Working with Disconnected Data (16 percent)
* Manage occasionally connected data.
* Programmatically create data objects. May include but is not limited to: DataTable; DataSet
* Work with untyped DataSets and DataTables. May include but is not limited to: populating a DataSet or DataTable
* Expose a DataTableReader from a DataTable or from a DataSet.
* Work with strongly typed DataSets and DataTables.

Object Relational Mapping by Using the Entity Framework (11 percent)
* Define and implement an Entity Data Model. May include but is not limited to: mapping schemas and storage metadata; EDM Generator
* Query data by using Object Services. May include but is not limited to: querying data as objects and shaping results; working with objects; managing the Object Context; customizing objects
* Map data by using the Entity SQL Language. May include but is not limited to: manually define mapping files; execute an Entity SQL Query by using EntityCommand
* Access entity data by using the EntityClient Provider. May include but is not limited to: managing EntityConnection; creating EntityCommand; executing a query by using EntityDataReader; managing EntityTransaction

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