The statement: "search austin.ibm.com raleigh.ibm.com" belongs in which of the following files?

The statement: “search austin.ibm.com raleigh.ibm.com” belongs in which of the following files?

A.
/etc/hosts

B.
/etc/irs.hosts

C.
/etc/resolv.conf

D.
/etc/netsvc.conf