CCNA Core Concepts - Chapter 22 (Part 1 of 3)

Chapter 22 of the CCNA Core Concepts curriculum. This video goes over Wide Area Network (WAN) connections, Leased Lines, Circuit-Switched Networks, Packet-Switched Networks, Broadband, Virtual Private Networks (VPN), Metropolitan Ethernet, WAN encapsulations, Serial Line Internet Protocol (SLIP), Point-to-Point Protocol (PPP), Cisco High-Level Data Link Control (HDLC), X.25 Link Access Procedure, Balanced (LAPB), Frame Relay, Asynchronous Transfer Mode (ATM), PPP over Ethernet (PPPoE) and PPP over ATM (PPPoA), PPP sub-layers, and configuring PPPoE.