Juniper Exam Questions

How does a router use BGP to deflect a distributed denial-of-service attack against a prefix at all

How does a router use BGP to deflect a distributed denial-of-service attack against a prefix at all
edge routers in the same AS?

A.
It advertises the prefix with a local preference that is higher than any other node, and sets the
next hop to a unicast route that has a discard next hop.

B.
It advertises the prefix with a local preference that is higher than any other node and sets the
next hop to self.

C.
It advertises the prefix with a local preference that is lower than any other node and sets the
next hop to a unicast route that has a discard next hop.

D.
It advertises the prefix with a local preference that is lower than any other node and sets the
next hop to self.

Explanation: