A. IGRP B. ICMP C. OSPF D. RIP v1 E. RIP v2 F. EIGRP
A. Spanning Tree Protocol B. Shortest path first tree C. Link-state advertisements (LSA) D. Hold-down timers E. Split horizon F. VRP
A.RIPv1 B.RIPv2 C.EIGRP D.IGRP E.OSPF F.VLSM