Every time a flap occurs on a route, the route receives ________.

Every time a flap occurs on a route, the route receives ________.

A.
750 per-flap penalty points which are user configurable.

B.
1500 per-flap penalty points which are user configurable.

C.
2000 per-flap penalty points which are user configurable.

D.
1000 per-flap penalty points which are not user configurable.

E.
2000 per-flap penalty points which are not user configurable.

Explanation:
Everytime a flap occurs a penalty of 1000 is made and is not configurable. See sections on route dampening in Internet routing architectures guide.