Introduction to Networking Part 5 | Network Basics for Beginners - TCP / IP

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Networking Fundamentals | Networking Basics | Learn Networking For Hacking | Learn TCP / IP
A suite of protocols for the internet.
In order to communicate a shared language has to be used.

TCP - Transmission Control Protocol
Verified Devlivery to endpoint
One to one communication
Includes protocols such as SSH, POP3, HTTP.

IP - Internet Protocol
Delivers Packets to devices
Maps Logical to Physical
(IP) to (MAC)
Routable Protocol

Protocols
ARP: Adress Resolution Protocol
TCP and UDP: Controls protocols
DNS: Resolve IP and domain names.
DHCP: Hands out IP’s on a network.

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Great series!
Some note: Even though DNS is supported over TCP it typically uses UDP, so your OSI layer chart is not entirely accurate.

nomike
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My mentor told me that the dhcp belongs on layer 7, is there a particular reason why the diagram shows that it's on layer 3?

felizrodriguez