220-1102 Practice Question: That a 32-bit application on a 64-bit 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.

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  Register the MSVCR120.dll file using regsvr32

  MSVCR120.dll is not a COM DLL that can be registered with regsvr32. Additionally, if the file is missing, registration will fail. Installing the redistributable is the proper fix.

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  Run the Deployment Imaging Service and Management Tool (DISM) to repair the system image

  DISM is used to repair the Windows system image, but SFC already found no corruption. This error is due to a missing Visual C++ runtime, not a system file issue.

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  Configure the application to run in Windows 7 compatibility mode

  Compatibility mode addresses issues with older OS versions but does not install missing system components like runtime libraries. It will not fix the missing DLL error.

Technical deep dive

How to think about this question

The core concept tested here is the understanding of application dependencies, specifically Microsoft Visual C++ Redistributable packages. Many applications, particularly those developed with Microsoft Visual Studio, rely on shared runtime libraries provided by these redistributable packages. MSVCR120.dll, in particular, is a component of the Visual C++ 2013 Redistributable. When an application reports this DLL is missing, it indicates that the necessary runtime environment for that specific version of Visual C++ is not installed or has become corrupted on the system. Reinstalling the application itself might not always bundle these redistributables, or a previous uninstallation of another program might have inadvertently removed a shared component. Therefore, directly installing the correct Visual C++ Redistributable package is the most direct and effective solution to provide the missing DLL and resolve the application's dependency. This approach differs significantly from the distractor options. Registering a DLL with `regsvr32` is only applicable for COM (Component Object Model) DLLs, which are typically used for specific types of object registration, not for core runtime libraries like MSVCR120.dll. Furthermore, `regsvr32` cannot register a file that is physically missing from the system. Running DISM or SFC is designed to repair core Windows system files or the system image itself; while important for system integrity, they do not address missing third-party runtime libraries that applications depend on, especially when SFC has already reported no integrity violations. Compatibility mode, while useful for resolving behavioral issues with older applications on newer operating systems, does not install missing software components or runtime libraries; it merely adjusts how Windows presents itself to the application.

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