What type of BGP path attributes are propagated to BGP peers with the partial bit set even if they are not recognized?

A.
Optional Transitive

B.
Well Known Mandatory

C.
Optional Non-Transitive

D.
Well Known Discretionary

Explanation:
Optional transitive. Attributes are passed on even if not recognized.
Wrong Answer
1. B. Well known mandatory must be recognized
2. C. Non-transitive would not be propagated
3. D. Well known discretionary must be recognized