Refer to the exhibit. A composite group spanning two Symmetrix arrays is set up to run
SRDF/Star using Cascaded SRDF as illustrated in the exhibit. Which condition must be met
before an MSC cycle switch is performed at site B?

A.
Transmission of delta sets from Site B to C has finished

B.
SYMCLI_STAR_ALLOW_CASCADED_CONFIGURATION option must be enabled in the
options file

C.
SDDF bitmaps have been swapped at Site A

D.
Invalid track count between Sites A and C must be under 30000