List various networking protocols and in which layer they belong to
Application layer
DHCP • DNS • FTP • HTTP • IMAP4 • IRC • MIME • POP3 • SIP • SMTP • SNMP • SSH • TELNET • BGP • RPC • RTP • RTCP • TLS/SSL • SDP • SOAP • L2TP • PPTP • …
Transport layer
TCP • UDP • DCCP • SCTP • GTP • …
Network layer
IP (IPv4 • IPv6) • ARP • RARP • ICMP • IGMP • RSVP • IPSec • …
Data link layer
ATM • DTM • Ethernet • FDDI • Frame Relay • GPRS • PPP • …
Physical layer
Ethernet physical layer • ISDN • Modems • PLC • RS232 • SONET/SDH • G.709 • Wi-Fi
