Packages and licenses are loaded from all of theses sources EXCEPT

A.
Download Center Web site

B.
UserUpdate

C.
User Center

D.
Check Point DVD

Explanation:
Packages and licenses are loaded into these repositories from several sources:
the Download Center web site (packages)
the Check Point DVD (packages)
the User Center (licenses)
by importing a file (packages and licenses)
by running the cplic command line
https://sc1.checkpoint.com/documents/R76/CP_R76_Installation_and_Upgrade_GuidewebAdmin/13128.htm