Microsoft Certified Solutions Developer (MCSD) Certification Practice Test

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What information does a Program Database (PDB) file provide during debugging?

Source file annotations
Real-time memory usage
Network call logs
User activity tracking

The correct answer is: Source file annotations

The Program Database (PDB) file plays a crucial role in the debugging process by providing a wealth of information that includes source file annotations. These annotations contain debugging symbols, which map the executable instructions back to the original source code. As a result, when a programmer is stepping through code during a debugging session, the PDB file allows them to view the original variable names, line numbers, and the structure of the code, making it significantly easier to identify issues. This functionality is fundamental for efficient debugging because it helps to bridge the gap between the compiled code that the computer executes and the human-readable code that developers write. Without PDB files, debugging would be much more challenging, as developers would have to work with memory addresses and machine-level code that lacks context. The other options listed do not directly pertain to the function of PDB files. Real-time memory usage monitoring typically relies on profiling tools rather than PDB files. Similarly, network call logs and user activity tracking are aspects of application monitoring or behavior analysis, which are not related to the debugging information provided by PDB files.