If you use the ISA operator in a data query, it retrieves embedded objects in the class hierarchy.
The result will include both the instances of the class that has the embedded objects as well as
the objects that are derived from the superclass. It is important to note that the instances of
the class need not be derived from the superclass, but the embedded objects should be.
Scripting API Objects
In this section we will look at the scripting application programming interface (API) objects
that exist for obtaining information from WMI. What’s most important are the names of the
objects that are returned when you perform different operations in the scripts. For example, if
you submit an ExecQuery
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