Need to know
PPP authentication. PAP vs CHAP
Describe PAP and CHAP authentication and configure CHAP authentication for PPP.
OSPF link-state data packets
Match update packets used to build and synchronize link-state databases with their definitions. Define different neighbor states that OSPF routers go through.
After completing this topic, you should be able to identify the protocols that can negotiate EtherChannel creation and maintenance.
Hunt Groups and Line Groups
Identify how the call routing works when it has to reach multiple recipients and what are the distribution algorithms.
Discovering Neighbors on the Network
This lesson introduces the Cisco discovery protocol, or CDP. Describe the features and functions of Cisco discovery protocol. Learn how to configure it.
Exploring the Packet Delivery Process
How packets go through devices at layers 1, 2, and 3. Mapping between layer 2 and 3 addresses by using ARP. Common tools to determine the path across the network.