_:nc61b00c06c454311943e2c4cbcf5d370xb0
<http://schema.org/description>
"Host, router network layer functions: Transport layer: TCP, UDP. IP protocol. addressing conventions. datagram format. packet handling conventions. Routing protocols. path selection. RIP, OSPF, BGP. Network. layer. forwarding. table. ICMP protocol. error reporting. router signaling Link layer. physical layer."
<https://slideplayer.in.th/slide/2096479/>