That ' s sorta like saying blind pick should be like challenger you know . <| sep |> Why are there no mondragon skins ever ? ?<| sep |> I agree more transparency would be good . Just understand that you will never get 100 % transparency . There will always be a trust gap . <| sep |> Yes . I wrote these articles specifically to address gaps in CCNAICND curriculum . Would highly recommend these before during after attending the official coursesPacket T r a v e l i n gtravelingpackettraveling an article series which covers everything you need to know to teach you what happens when a packet is moving through a network . You ' ll learn the roles of a switch and router , and the tables they use to forward packets . Packet Traveling Series Finale VideorYodcvhh 7 b 8 This video summarizes and combines all the lessons you learned in the series as it walks through every step that gets a packet from a host , through a switch , then a router , then another switch , then finally to a destination host . If you want to be succesful at CCNA level and beyond , you should be able to recreate each step from scratch . These three articles on VLANs 1 . VLANs as a concept . alonevlans 2 . Configuring VLANs on Cisco S w i t chesaloneconfiguringvlans . 3 . Routing between V L A N saloneroutingbetweenvlans which also answers the ageold question , What is a Layer 3 s w i t c haloneroutingbetweenvlans # l 3 switchThese three articles on eigrp EIGRP T e r m i n o logyaloneeigrpterminology , EIGRP Metricaloneeigrpmetric , EIGRP Feasibility C o n d i t i o n a l o n e eigrpfeasibilitycondition . This article on E t hernetaloneethernetwiring covers the CCNA level , as well as a bit further . So worth a read through , but don ' t worry about memorizing everything in the article . Just learn the basics of why you use a crossover and why you don ' t . That is about what comes to mind that I ' ve written so far . Good luck with your studies .