Which three are the ATM cell header fields? (Choose three.)

A.
Cell loss priority (CLP)

B.
Discard eligibility (DE)

C.
Head error control (HEC)

D.
Generic flow control (GFC)

E.
Forward explicit congestion notification (FECN)

Explanation:
The ATM cell header consists of the following fields: generic flow control (GFC), virtual path
identifier (VPI), virtual channel identifier (VCI), payload type (PT), cell loss priority (CLP) and
header error control (HEC).