Which CE-to-PE routing protocol implements the down bit as a loop prevention mechanism?
A. RIPv2
B. EIGRP
C. IS-IS
D. OSPF
E. BGP
Which CE-to-PE routing protocol implements the down bit as a loop prevention mechanism?
A. RIPv2
B. EIGRP
C. IS-IS
D. OSPF
E. BGP