MCSD.NET - 70-320 Exam Interview Question:

Suppose You create three Windows services named ES1, ES2, and ES3. You want to install all three
services on a computer named CompanyA by using the Installer tool (Installutil.exe).
On the command line of CompanyA, you enter and run the following command: Install util ES1
ES2 ES3
During the installation process, ES3 throws an installation error. The installation process
completes.
How many of the three services are now installed on CompanyA?
A. None
B. One
C. Two
D. Three