Protocols and DNS
Protocols are the first thing I learned in CS1 2nd Quarter it deals with the internet (internet=interconnecting network)the address of computers.
This is the first of the many protocols
IP - means Internet Protocol it is the primary network of the internet.There are 2 kinds the IPv4 and the IPv6
The IPv4 is the older vesion it is composed 4 bytes which only hve numbers for example 192.168.1.1 they are separated by a decimal
But the IPv6 is composed of 16 bytes it much more complicated than the older example fe83::2cfb:cc9a:298f:fb74%11
TCP - means Transmission Control Protocol it is a connection-oriented protocol it is used by major internet applications such as WWW (world wide web)
UDP - means User Datagram Protocol is the opposite of TCP
FTP- means File Transfer Protocol it is a simple protocol just to transfer files over a TCP based network
SMTP - means Simple Mail Transfer Protocol its standard is E-mail across IPs
Domain Name System
Domain - it is a group of computers with a common set of rules
Subdomain- it is the domain inside a domain
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