Technician a Says That the Contents of Any Data Bus

Multiple Choice

Technician A says that the contents of any data bus message packet can be interpreted using a high frequency scopemeter. Technician B says that a scopemeter can be used to identify bus node activity ... or lack of activity. Who is correct?

A) Technician A only
B) Technician B only
C) Both A and B
D) Neither A nor B