In addition, the sometimes harsh Andean environment meant that agriculture was viewed as a form of warfare so that, as the historian T. N. D'Altroy eloquently put it, The Incas approached farming with weapons in their hands and prayers on their lips (276).
Small Form-Factor Pluggable Transceiver (SFP) A small form-factor pluggable (SFP) transceiver is a compact, hot-swappable, input/output transceiver used in data communication and telecommunications networks. SFP interfaces between communication devices like switches, routers and fiber optic cables, and performs conversions between optical and electrical signals.
PPP emerged in the 1990s as a replacement for SLIP (Serial Line Internet Protocol) and most commonly used for dial-up networking between modems. PPPoE stands for Point-to-Point Protocol over Ethernet. It is a network protocol derived from PPP designed for use with broadband modems and DSL Internet service. PPPoE allows Internet Service Providers to manage access to accounts via user names and passwords.