You are employed as a developer at ABC.com. You are making use of .NET Framework 4.5 to
develop Windows service applications.
You have been instructed to create a new service application for ABC.com. Your code will include
the System.ServiceProcess.ServiceInstaller class.
What is a TRUE statement with regards to this class?
A.
It installs an executable containing classes that expand ServiceBase.
B.
It installs a class that expands ServiceBase to execute a service.
C.
It specifies a description for a property or event.
D.
It permits declarative service controller permission checks.
A.
No, correct is B
https://msdn.microsoft.com/library/system.serviceprocess.serviceprocessinstaller(v=vs.110).aspx
read it more carefully – Installs an executable containing classes that extend ServiceBase. This class is called by installation utilities, such as InstallUtil.exe, when installing a service application.
so – A