Which two loop-prevention mechanisms are implemented in BGP? (Choose two.)
A.
A route with its own AS in the AS_PATH is dropped automatically if the route reenters its own AS.
B.
A route with its own cluster ID in the CLUSTER_LIST is dropped automatically when the route
reenters its own AS.
C.
The command bgp allowas-in enables a route with its own AS_PATH to be dropped when it
reenters its own AS.
D.
The command bgp bestpath as-path ignore enables the strict checking of AS_PATH so that they
drop routes with their own AS in the AS_PATH.
E.
The command bgp bestpath med missing-as-worst assigns the smallest possible MED, which
directly prevents a loop.