/ WAN Concepts Wide Area Networks(WANs) Single networks that connect different sites So Layer 1 and Layer 2 operation WAN Purposes Internet access( Chapter 6) Link sites within the same corporation Provide remote access individuals who are off site 1.Point-to-point Leased Line Network 2. Public Switched Data Networks(PSDNs 7-37-3 WAN Concepts • Wide Area Networks (WANs) – Single networks that connect different sites – So Layer 1 and Layer 2 operation • WAN Purposes – Internet access (Chapter 6) – Link sites within the same corporation – Provide remote access to individuals who are off site 1.Point-to-point Leased Line Network 2.Public Switched Data Networks (PSDNs)