translating private IP addresses to public IP addresses when you communicate over the internet
IP addresses
uniquely identify systems
Between 0 - 255 (256 values)
8 bit binary numbers
2*8 = 256 possible values
Dotted quad notation (IP addresses)
Network Address
front of subnet
identifies network system it is connected to
Host address
end of subnet
uniquely identifies a system on that network
IPv6
uses 128 bits
8 groups of 4 hexadecimal numbers
static IPs
manually assigned to systems by an administrator
must be unique and within the appropriate range for the network
Usually configure servers
Dynamic Host Configuration Protocol (DHCP)
allows the automatic assignment of IP addresses from an administrator configured pool
usually configure end users
Domain Name System (DNS)
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