1. BIBLIOGRAFIA
http://aulavirtualiestpa.hol.es/mod/assign/view.php?id=19&action=grading
http://www.cad.com.mx/que_es_internet.htm
http://definicion.de/topologia/
http://www.angelfire.com/pro2/ssj05/tt.htm
http://adsl.interbusca.com/que-es-adsl.html
http://www.slideshare.net/vaneinternet.blogspot.com/que-es-red-presentation
http://www.masadelante.com/faqs/que-significa-http
http://neo.lcc.uma.es/evirtual/cdd/tutorial/aplicacion/http.html
http://definicion.de/url/#ixzz35DeUzNrc