You are a desktop support technician for your company. The computers on the corporate network run Windows XP and Windows Vista in a single domain. The computers that run Windows XP do not appear on the Network Map diagram. You need to ensure that all the computers appear on the Network Map diagram. What should you do?

A.
Install the UPnP networking serivce on the computers that run Windows XP.

B.
Download the Link-Layer Topology Discover (LLTD) Responder component from the Microsoft Website and install the component on the domain server.

C.
Download the LLTD Responder component from the Microsoft Website and install the component on the computers that run Windows XP.

D.
Download the LLTD Responder component from the Microsoft Website and install the component on the computers that run Windows Vista.