Which protocol is the recommended first-hop redundancy protocol for an existing infrastructure that contains multiple vendors and platforms?
A. HSRP
B. VRRP
C. IGRP
D. OSPF
Which protocol is the recommended first-hop redundancy protocol for an existing infrastructure that contains multiple vendors and platforms?
A. HSRP
B. VRRP
C. IGRP
D. OSPF