4517dc03___and_how_to_prepare_for_them___Description
[Step] 6 [Consideration] ORIGIN [Description] 
The ORIGIN consideration bases its decision on whether the path was injected from an Internal Gateway Protocol (IGP) or External Gateway Protocol (EGP) or unknown (?). Internal is preferred over External and External is preferred over unknown (I > E > ?)
Top 5 Hardest Topics on the CCNP ROUTE Exam (and how to prepare for them)
Description