Practical Use of The Internet Flashcards
Private IP Address
Local, other devices within, IP address can be reused, Discoverable through device, Free
Public IP Address
Global, Over the Internet, Unique, Google IP Address
Network Address Translation
Translates all Private Ip into one Public IP address
IP routing Commands
Ipconfig, Ping, traceroute
what is TCP
Transmission control Protocol
what is Transmission control Protocol
Uses ports as endpoints, each device has 65535 ports and when a TCP is made a port is allocated to the channel on each device.
DoS
Explaine what it does
Denial of service - spoofed IP address send many SYN and ACK packets causing a SYN FLOOD.
What is TCP vulnerable to?
Denial-of-Service (DoS) and connection Hijacking
How are TCP connections made
3 - way handshake
UDP
User Datagram Protocol
Unreliable but faster - used for video conferencing transmissions
What do firewalls do?
Firewalls inspect the packets passing through them based on their MAC addresses IP addresses and TCP/UDP ports
IPv6 vs IPv4
IPv4 - 32-bit Ip address - 4bn addresses
IPv6 - 128-bit IP address - 48 Octillion addresses
Two internets cannot communicate until there older is retired.
Multicasting?
A communication where a message is sent from one sender to a group of receivers
Unicasting?
A communication where a message is sent from one sender to one receiver.
Broadcasting
A communication where a message is sent from one sender to all receivers.
