Your company has a private cloud that contains a Microsoft ASP.NET application. The application is hosted by Internet Information Services (IIS) on a server named Server1. The application is accessed by using multiple URLs.

You configure a watcher node on a server named Server2.

You need to ensure that an alert is generated each time the watcher node receives an HTTP error of 400 or more. The solution must ensure that the cause of the alert is captured.

Which type of monitor should you create from the Operations Manager console?

A.
Windows Service

B.
Process

C.
Web Application Transaction Monitoring

D.
TCP Port

Explanation:
Web Application Transaction Monitoring Template
http://technet.microsoft.com/en-us/library/hh457553.aspx