.You are the network administrator for your company. You want to implement a routing protocol that can support hierarchical routing, multiple vendor environments, and authentication,
and provides fast convergence.
Which routing protocol will you implement?
A. Enhanced Interior Gateway Routing Protocol (EIGRP)
B. Open Shortest Path First (OSPF)
C. Routing Information Protocol version 2 (RIPv2)
D. Interior Gateway Routing Protocol (IGRP)