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OSI/Protocol (Layer 2 (Data Link Layer (Protocols: ARP, PPP, Ethernet),…
OSI/Protocol
Layer 2
Data Link Layer
Protocols: ARP, PPP, Ethernet
Switch
Layer 3
Network Layer
Protocols: IP, NAT, ICMP, OSPF, EIGRP
Router
Ethernet
LLC
MAC
Layer 4
Transport Layer
Protocols: TCP and UDP
Layer 1
Physical Layer
Layer 7
Application Layer
Protocols: HTTP (80), HTTPS (443'), SMTP (25), POP(110), IMAP (143), FTP(20-21), TFTP(20,69), DNS (53), DHCP(67-68), BOOTP(67)
Layer 6
Presentation Layer
Layer 5
Session Layer
Definition for Protocols: Rules that govern communications/common language that allows network and end devices to converse over the internet
Hypertext Transport Protocol (HTTP)
Transmission Control Protocol (TCP)
Internet Protocol (IP)