Transmission Control Protocol / Internet Protocol (TCP/IP) (AQA A-Level Computer Science): Flashcards
📚Flashcards
Practise the cards
10 cards from this deck
ShowHide
Practise the cards
10 cards from this deck
Protocols (networking)
Protocols (networking)
Rules computers follow for correct data transmission
TCP/IP stack layers (4)
TCP/IP stack layers (4)
Application, Transport, Network/Internet, Link
Application layer role
Application layer role
Converts data between presentation formats
Transport layer role
Transport layer role
Ensures packets arrive correctly with no errors
Network layer role
Network layer role
Defines IP addresses & manages packet routing
Link layer role
Link layer role
Handles physical transmission of data
HTTPS vs HTTP
HTTPS vs HTTP
HTTP + security (authentication & encryption)
DNS role
DNS role
Translates URLs into IP addresses
SMTP
SMTP
Protocol for sending emails
POP3
POP3
Protocol for receiving emails
