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Microsoft 70-561 Exam Syllabus Topics:

Section	Weight	Objectives
Working with DataSets and XML	21%	- XML integration 1. Transform XML with XSLT 2. Read/write XML data 3. Serialize/deserialize objects - Create and manage DataSets 1. Merge and copy data 2. Typed and untyped DataSets 3. DataTables, DataRelations, and Constraints
Connecting to Data Sources	12%	- Manage connection objects 1. Multiple Active Result Sets (MARS) 2. Connection pooling 3. Handle connection exceptions - Manage connection strings 1. Protect connection strings 2. Use ConfigurationManager 3. Use ConnectionStringBuilder 4. Authentication methods
Entity Framework and Data Services	11%	- Define Entity Data Model (EDM) 1. Map schemas and storage metadata 2. Use EDM Generator - Query with Object Services 1. Query using Entity SQL 2. Manage ObjectContext
Security and Performance	12%	- Optimize performance 1. Query optimization 2. Connection management - Secure data access 1. Least privilege principles 2. Prevent SQL injection
Selecting and Querying Data	22%	- Query data sources 1. Retrieve data via SELECT statements 2. Call stored procedures 3. Use DataReader - Use LINQ to query data 1. LINQ to SQL 2. LINQ to DataSet - Build and configure Command objects 1. Set CommandType and CommandBehavior 2. Use parameters and parameter collections 3. Execute methods
Updating and Persisting Data	22%	- Use DataAdapter and CommandBuilder 1. Insert, update, delete operations 2. Resolve concurrency conflicts - Transactions and data integrity 1. Local and distributed transactions 2. Ensure data consistency 3. Isolation levels

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