Cisco Learning Videos (videos to accompany CCNA Exploration courses)
Cisco Exploration 1: Network Fundamentals
   Chapter 6: Addressing the Network - IPv4
   Chapter 9: Ethernet
   Chapter 11: IOS Basics

Cisco Exploration 2: Routing Protocols and Concepts
   Chapter 2: Static Routing
   Chapter 4: Distance Vector Routing Protocols
   Chapter 9: EIGRP

Cisco Exploration 3: LAN Switching and Wireless
   Chapter 3: VLANs
   Chapter 5: Spanning Tree Protocol

Cisco Exploration 4: Accessing the WAN
   Chapter 2: Serial Connectivity (PPP)
   Chapter 3: Frame Relay
   Chapter 5: ACLs
   Chapter 7: IPv4 Addressing Services

Other Utilities
Cisco Exploration 1: Network Fundamentals
   Subnet Quiz Utility: Determining IP Address Type
   IPv4 Address Subnetting Part 1 (Student)
   IPv4 Address Subnetting Part 1 (Instructor)

Cisco Exploration 3: LAN Switching and Basic Wireless
   Activity 1a
   Activity 1b
   Activity 1c