Need to know
Managing Device Configuration Files. Cisco Password Recovery Procedure
Sequence the steps to perform a password recovery on a Cisco router. Recognize how to merge a configuration from the TFTP server with the running configuration.
PPP authentication. PAP vs CHAP
Describe PAP and CHAP authentication and configure CHAP authentication for PPP.
Troubleshooting Multiarea OSPF Issues
After completing this topic, you should be able to identify potential causes of OSPF neighbor issues.
OSPF LSA Types
After completing this topic, you should be able to match LSA types used in OSPF designs with their descriptions.
Spanning Tree Protocol Explained
Recognize how the spanning-tree algorithm elects a root bridge and root port, elects a designated port.
Exploring the Packet Switching Process
Graphical representation of how data passes through a switch and the whole packet delivery process as seen by the switching device.