Which BGP configuration on Ri1 accomplishes this goal?

Refer to the exhibit.

A network engineer for AS64512 must remove the inbound and outbound traffic from link A during maintenance without closing the BGP session so that there is still a backup link over link A toward the ASN.

Which BGP configuration on Ri1 accomplishes this goal?
A . route-map link-a-in permit 10
set local-preference 200
route-map link-a-out permit 10
route-map link-b-in permit 10
route-map link-b-out permit 10
set as-path prepend 64512
B . route-map link-a-in permit 10
set weight 200
route-map link-a-out permit 10
route-map link-b-in permit 10
set weight 100
route-map link-b-out permit 10
set as-path prepend 64512
C . route-map link-a-in permit 10
set weight 200
route-map link-a-out permit 10
set as-path prepend 64512
route-map link-b-in permit 10
set weight 100
route-map link-b-out permit 10
D . route-map link-a-in permit 10
route-map link-a-out permit 10
set as-path prepend 64512
route-map link-b-in permit 10
set local-preference 200
route-map link-b-out permit 10

View Answer

Answer: D