What do you expect happened during downloading and compilation of the files?

You are loading a basic IPS signature package onto a Cisco router. After a period of time, you see
this message:
%IPS-6-ALL_ENGINE_BUILDS_COMPLETE: elapsed time 275013 ms. What do you expect
happened during downloading and compilation of the files?

A.
The files were successfully copied with an elapse time of 275013 ms. The router will continue
with extraction and compilation of the signature database.

B.
The signature engines were compiles, but there is no indication that the actual signatures were
compiled.

C.
The compilation failed for some of the signature engines. There are 16 engines, but only 6 were
completed according to the %IPS-6 message

D.
The files were compiled without error.