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Microsoft 70-561 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: 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. Typed and untyped DataSets 2. DataTables, DataRelations, and Constraints 3. Merge and copy data
Topic 2: Connecting to Data Sources	12%	- Manage connection strings 1. Use ConnectionStringBuilder 2. Use ConfigurationManager 3. Protect connection strings 4. Authentication methods - Manage connection objects 1. Connection pooling 2. Multiple Active Result Sets (MARS) 3. Handle connection exceptions
Topic 3: Entity Framework and Data Services	11%	- Define Entity Data Model (EDM) 1. Use EDM Generator 2. Map schemas and storage metadata - Query with Object Services 1. Query using Entity SQL 2. Manage ObjectContext
Topic 4: Updating and Persisting Data	22%	- Use DataAdapter and CommandBuilder 1. Resolve concurrency conflicts 2. Insert, update, delete operations - Transactions and data integrity 1. Isolation levels 2. Ensure data consistency 3. Local and distributed transactions
Topic 5: Security and Performance	12%	- Secure data access 1. Prevent SQL injection 2. Least privilege principles - Optimize performance 1. Connection management 2. Query optimization
Topic 6: Selecting and Querying Data	22%	- Query data sources 1. Call stored procedures 2. Use DataReader 3. Retrieve data via SELECT statements - Build and configure Command objects 1. Execute methods 2. Set CommandType and CommandBehavior 3. Use parameters and parameter collections - Use LINQ to query data 1. LINQ to SQL 2. LINQ to DataSet