You are the IT professional who work in an International company named Wiikigo. You are experienced in troubleshooting operating systems and applications that are not working correctly, identifying code defects and so on. You have enough knowledge on windows internals and you provide technical support for the company. Now you receive an order from the company. The company plans to update a device driver on a Windows system. A copy of the device driver file is downloaded from the Internet by you, but you are not sure whether the device driver is legitimate.

Therefore, you have to validate the device drivers digital signature. Of the following tools, which one should be used?

A.
Certmgr.msc should be used.

B.
Certmgr.exe should be used.

C.
Signtool.exe should be used.

D.
Makecert.exe should be used.