• MSI FAQ 15

    Posted on July 30, 2012 by in MSI Interview Q’s

    The following are Frequently Asked Questions duirng an interview for Application Packaging Position:
    The question and answers are being collected from Various MSI blogs and Articles. My effort is confined to collecting as much material as possible from various sources and publishing it at once place.

    S No.




    What is Dll Cache folder? It is the folder in which Microsoft Windows stores protected system files.


    What is MSOCache folder?

    Local Install Source is a Setup feature that copies the install source files from the Microsoft Office installation media (for example, the Office 2003 CD-ROM) to the Msocache folder. This is a hidden folder on your local hard disk.


    When will msocache folder will be created

    It can be created during the installation, if one of the available hard drives has more than 1.5 gigabytes (GB) of free disk space available and The hard disk with sufficient space is not a removable drive or a network drive.


    Should we delete the msocache folder using Windows Explorer

    No, msocache folder should never be deleted using Windows Explorer, instead Disk Cleanup program should always be used to remove the folder.


    Where is Service information stored?

    Most of the Service information are stored under the windows registry hive
    “HKLM\System\CurrentControlSet\Name of the Service”


    How to create, delete, start, stop service using command prompt? sc.exe command can be used for these tasks.


    What is Registry, Tell the Structure & types of Registry?

    The Registry is a single place for storing information about the Windows OS (Hardware & Software)
    Root Keys / Subtrees

    Types of Registry keys
    Machine-Specific (HKCR, HKLM, HKCC, HKU)
    User-Specific (HKCU, HKU)

    Types of Registry Root keys



    What are Services & its types?

    A windows service is a background process which is loaded by the Service Control Manager of the OS.

    1. Win32 Service (Win32 services are the services which is running by the executable file installed by the Application).

    2. System or Kernel Services (Kernel services are the services which are used by the OS to to communicate to the hardware devices).


    What is ODBC & DSN and its types?

    ODBC means Open Database Connectivity. The purpose of ODBC is to allow the user to access data from any application. The layer between the application and the DBMS called DSN.

    System DSN (DSN will be available for all users)

    User DSN (DSN will be available for that particular user)


    What is File Association?

    The Windows operating system recognizes file types and associates them with programs based on their file extension. A file that carries no extension or no associated program is called Orphaned.

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