Which of the following paths would a technician use to map a network drive?

Which of the following paths would a technician use to map a network drive?

A.
//servername\usershare

B.
\\servername\usershare

C.
\\servername/usershare

D.
//servername/usershare

Explanation:

Reference:
http://www.dummies.com/how-to/content/how-to-map-a-network-folder-in-windows-7.html