The Teradata Enterprise stage uses a distributed FastExport to access data. What is a limitation to
distributed FastExport?

A.
Multiple-AMP requests are allowed.

B.
The use of the USING modifier is allowed.

C.
Non-data access (e.g.,pseudo-tables like DATE or USER) is allowed.

D.
Aggregates and most arithmetic operators in the SELECT statement are allowed.

Explanation:
http://pic.dhe.ibm.com/infocenter/iisinfsv/v8r5/index.jsp?topic=%2Fcom.ibm.swg.im.iis.
ds.parjob.adref.doc%2Ftopics%2Fr_deeadvrf_teraread_Restrictions.html