Which dfc.properties key may be used to optimize network traffic for fetch and collection transmissi

Which dfc.properties key may be used to optimize network traffic for fetch and collection
transmissions?

A.
dfc.batch_hint_size

B.
dfc.docbroker.auto_request_forward

C.
dfc.bof.cache.currency_check_interval

D.
dfc.cache.query.size