Which three statements are true about an RPM SPEC file?

Which three statements are true about an RPM SPEC file?

A.
it is mandatory for building a binary RPM usingrpmbuild.

B.
it is a Shell script that can be used to build a binary RPM.

C.
it contains metadata that will be part of a binary RPM.

D.
it contains metadata and helper scripts that are required during the build process of a binary RPM

Explanation:
Reference:httD://www.theaeekstuff-Com/2015/02/rpm-build-Dackaae-example/?utm source=feedbumer&utm rfcedium=feed&utm campaian=Feed%3A+TheGeekStuff+fThe+Geek+Stufn