Binary Subnetting: Converting IP addresses into binary form to perform calculations. Shortcut Methods: Using the "powers of 2" to determine subnet mask and host availability. DumpsArena 200-125 exam questions answers include multiple subnetting questions to help you master this key topic.
Understand Routing Protocols The exam places a significant emphasis on routing protocols, particularly OSPF and EIGRP. You should have a clear understanding of the following:
OSPF (Open Shortest Path First): Link-state routing protocol that uses cost as the metric. EIGRP (Enhanced Interior Gateway Routing Protocol): Cisco proprietary distance-vector routing protocol that uses bandwidth and delay to calculate the best route.