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:
can any one explain the answer ?
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higher the preference will follow the route for the prefix and IPv4 unicast packet send to drop next hop……..traffic follow the reference and send it to discard.
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