Need to know
Managing Cisco IOS Image Files
Describe the process of locating the Cisco IOS image. Explain an IOS image filename. Sequence the steps to upgrade Cisco IOS images.
Router Power-On Boot Sequence. Configuration Register Values.
Sequence the events that occur during a router boot. Identify the correct change to the boot information in the configuration register in a scenario.
PPP authentication. PAP vs CHAP
Describe PAP and CHAP authentication and configure CHAP authentication for PPP.
OSPF Data Overview
Recognize advantages of link-state routing protocols over distance vector routing protocols; apply the OSPF metric to compare two paths.
Network Address Translation
Providing Internet access by configuring network address translation (NAT) in your Internet router. Port address translation (PAT) explained.
Understanding the TCP/IP Internet Layer. Internal IP Addressing
IP protocol as an example of a layer 3 component. Reserved addresses, public and private addressing. Tools to determine the IP address of the host.