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.
PPPoE is a network protocol used for encapsulating data frames over Ethernet networks. That means PPPoE is essentially a Hulked-out version of the old PPP protocol. The main improvement it brought is the fact that PPPoE allows a single server connection to be divided between multiple clients, using Ethernet.