Question no 1015 : PM Master Data

In SAP PM, which of the following statements are true about PM master data ?

(more then one answers)

A)      the serial number can be equal to the equipment master number.
B)      the serial number must be equal to the equipment master number.
C)      the serial number need not be equal to the equipment master number.
D)      only one serial number can be assigned to at equipment master number.
E)      a serial number profile is mandatory for a material of a equipment to be managed by a serial number.
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