220-1102 Practice Question: A technician is troubleshooting a Windows 10…

Answer choices

Why each option matters

Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.

Answer analysis

Why the other options are wrong

Understanding why incorrect options are tempting is as important as knowing the correct answer.

• ✗

  Install the Visual C++ 2005 Redistributable

  Version 9.0 is Visual C++ 2008, not 2005 (which is 8.0).

• ✗

  Re-register the application's DLLs using regsvr32

  Re-registering DLLs does not address missing Visual C++ runtime components.

• ✗

  Run System File Checker (sfc /scannow)

  SFC repairs protected system files but does not install missing third-party redistributables.

Technical deep dive

How to think about this question

The 'Side-by-side configuration is incorrect' error, often referred to as a 'SxS' or 'manifest' error, indicates that an application cannot find a required version of a shared component, typically a Microsoft Visual C++ runtime library. Applications built with specific versions of Visual Studio often depend on the corresponding Visual C++ Redistributable Package to provide these runtime libraries (like MSVCR90.dll for VC++ 2008). The `sxstrace.exe` utility is crucial for diagnosing these errors because it logs the exact dependency that failed to load. In this scenario, the trace explicitly points to `Microsoft.VC90.CRT` with version `9.0.21022.8`. The '90' in `VC90` and the '9.0' version number are direct indicators for the Visual C++ 2008 runtime. Each major version of Visual C++ has a distinct version number and corresponding redistributable package. Installing the correct redistributable package provides the necessary DLLs and manifest files that the application expects, resolving the side-by-side configuration issue. Distractor options fail to address this specific dependency. Installing the Visual C++ 2005 Redistributable (version 8.0) would not satisfy a 9.0 dependency. Re-registering DLLs with `regsvr32` is used for COM components and does not install missing runtime libraries or resolve manifest mismatches. Similarly, `sfc /scannow` is designed to repair corrupted Windows system files, not to install third-party or application-specific runtime dependencies like the Visual C++ redistributables. The problem here is a missing application dependency, not a corrupted core Windows file.

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