MCPD Certification

Designing Application Components (23 percent)

• Create the high-level design of a component. It may include but is not limited to:
  • Establish the life cycle of a component
  • Define user interface for each component
  • Define interoperability requirements
  • Identify and extract reusable components
  • Document the design of a component by using pseudo code, class diagrams, sequence diagrams, activity diagrams, and state diagrams
  • Decide whether to require constructor input
• Define the internal architecture of a component. It may include but is not limited to:
  • Decide whether existing functionality can be implemented or inherited
  • Decide how to handle unmanaged and managed resources
  • Decide which extensibility features are required
  • Determine state management implementation
  • Decide whether a component must be multithreaded
  • Decide which functions to implement in the base class, abstract class, or sealed class
• Define the data handling for a component. It may include but is not limited to:
  • Define data access
  • Analyze data relationships
  • Analyze the data handling requirements of a component
• Consume components. It may include but is not limited to:
  • Identify reusable components
  • Handle unmanaged components;
  • Identify whether a component needs to be extended
  • Identify whether a component needs to be wrapped
  • Identify whether any existing functionality needs to be hidden
  • Test that reused components meet the specifications
• Define a strategy for exceptions and other component feedback. It may include but is not limited to:
  • Identify expected exceptions
  • Decide how to deal with expected exceptions
  • Decide how to deal with unhandled exceptions
  • Decide how to deal with WCF faults
  • Define other component feedback, such as events, callbacks, and messages
  • Define a reporting strategy