220-802 · Question #1024
220-802 Question #1024: Real Exam Question with Answer & Explanation
The correct answer is A: Open up the command prompt and type SFC /SCANNOW. SFC /SCANNOW (System File Checker) scans all protected Windows system files and replaces corrupted or missing ones with cached copies. Since the symptoms - system file errors and broken shell functions like right-clicking - indicate that the application installation corrupted or
Question
Options
- AOpen up the command prompt and type SFC /SCANNOW
- BOpen Task Manager and stop all running SERVICES processes
- COpen up MSCONFIG and remove the application from the start-up tab
- DOpen a command prompt and type REGSVR32 SYSMAIN.DLL ?U
Explanation
SFC /SCANNOW (System File Checker) scans all protected Windows system files and replaces corrupted or missing ones with cached copies. Since the symptoms - system file errors and broken shell functions like right-clicking - indicate that the application installation corrupted or overwrote core Windows files, SFC is the appropriate first step. It is non-destructive, does not touch the newly installed application, and can repair the damage without a reimage. Stopping services in Task Manager won't fix corrupted files; removing the app from MSCONFIG startup won't restore damaged system files; and REGSVR32 with the /U flag unregisters a DLL, which would make things worse.
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