Introduction To IP Flashcards
Basic IP (19 cards)
What does IP stands for?
Internet Protocol
What two main protocols are transported inside IP?
TCP and UDP
What OSI Layers are TCP and UDP?
OSI Layer 4 - Transport
What’s multiplexing?
Using many different applications at the same time
What does TCP stands for?
Transmission Control Protocol
What type of connections are TCP and UDP?
TCP is connection-oriented and UDP is connectionless
What protocol determine the amount of data can be transmitted? (No flow control)
UDP
What protocol manage recovery from errors? (“Reliable” delivery)
TCP
What numbers Non-ephemeral ports uses and how? (Permanent port numbers)
Numbers from 0 to 1.023
Usually on a server or service
What numbers Ephemeral ports uses and how? (Temporary port numbers)
Numbers from 1024 to 65.535
Determinated in real-time by the client
Between what number of ports can TCP and UDP use?
TCP and UDP ports can be any number between 0 and 65.535
What are the port numbers for?
Communication
Are TCP and UDP port numbers the same?
No, they are not
What does VoIP means?
Voice over IP
What protocols and port numbers use web server (HTTP data), VoIP server (VoIP data) and Email server (Email data)?
Web server - TCP/80
VoIP server - UDP/5004
Email server - TCP/143
What ICMP stands for?
Internet Control Massage Protocol
Is ICMP carried by IP?
It is carried by IP
What’s ICMP purpose?
It’s a “text messaging” for your network devices.
Devices can request and replay to administrative requests.
Devices can send messages when things don’t go well
What UDP stands for?
User Datagram Protocol
