Click the Exhibit button. R3 is announcing a route to R4 using EBGP, as shown in the
exhibit. All routers in AS 65221 should learn this route, but it should not be announced to
any other AS. What can be done to enforce this behavior?
A.
R3 should add the community no-export to the route prior to announcing it.
B.
R3 should add the community no-advertise to the route prior to announcing it.
C.
R4 should add the community no-announce after receiving the route.
D.
R4 should add the community no-advertise after receiving the route.
Explanation: