HP0-632 : NNM 1(7.x) Essentials
A.that NNM ET discovery is enabled
B.that the Discover Level-2 Objects box under IP Discovery Polling options is checked
C.that the Don't Discover Level-2 Objects box under IP Discovery Polling options is NOT checked
D.that the Perform Topology Checks on Connector devices box under General Polling is checked
Correct:B