Assume use of the common parameters opobject $system.system.x25obj, cpu 0, altcpu 1, type
(61,63), profile x25prof, recsize 32767, adapter SW01,clip 2, line 0, startdown Which SCF
command adds a X.25 line to a SWAN concentrator?

A.
add line $X2501

B.
add line $ZZWAN.#X2501

C.
add device $ZZWAN.#X2501

D.
add device $X2501