You work as the network administrator at ABC.com. The ABC.com network has a domain named ABC.com. All servers on the ABC.com network have Windows Server 2008 R2 installed and all workstations have Windows 7 installed.

The ABC.com network has a domain controller named ABC-DC01.

What action should you take to determine if any unsuccessful logon attempts occurred on ABC- DC01?

A.
You should open the Netlogon.log file on ABC-DC01.

B.
You should open the Event Viewer on ABC-DC01.

C.
You should configure auditing of object access on ABC-SR01.

D.
You should open the System.log file on ABC-DC01.