Which of the mapping is not available in XI by default

Which of the mapping is not available in XI By

default

a. Message Mapping

b. ABAP Mapping

c. Java Mapping

d. XSLT Mapping

e. None of the above

For this im thinkin the answer is 'e'

because none of the mappings are available by DEFAULT.

I just wanna clarify if im right on this..plz help for the right answer