Outcome B - Data transmission

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  • Created by: 25378
  • Created on: 03-11-21 22:57
SMTP
Simple Mail Transfer Protocol (SMTP) is used to transfer outgoing email from one server to another
1 of 12
POP3
Post Office Protocol 3 (POP3) is one
protocol that is used to receive email
2 of 12
IMAP
Internet Message Access Protocol (IMAP) is used to receive email and an alternative protocol to POP3
3 of 12
Voice Protocols
Voice over Internet Protocol (VoIP) allows voice calls to be made between devices using the Internet
4 of 12
Video Calls
As networks become faster, video calls are becoming more common between users
such as:- FaceTime
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HTTP
Hypertext Transfer Protocol (HTTP) is the way that web pages are transmitted via the Internet
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HTTPS
Hypertext Transfer Protocol Secure this is the way to make secure payments as it is encrypted
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NFC Payments
NFC (Near Field Communication) is a protocol used to transfer data between devices near each other
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Latency
Latency describes the total time it takes for a packet of data to travel from source to destination
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Lossless compression
Some files such as word processed documents or
program code need the contents to be exactly the
same when compressed
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Lossy compression
A lossy compression will use an algorithm that loses some information
e.g: PNG, JPG/JPEG, GIF
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Codecs
A codec is short for coder-decoder
It encodes data into a format that can be used for
transmission or storage
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Other cards in this set

Card 2

Front

POP3

Back

Post Office Protocol 3 (POP3) is one
protocol that is used to receive email

Card 3

Front

IMAP

Back

Preview of the front of card 3

Card 4

Front

Voice Protocols

Back

Preview of the front of card 4

Card 5

Front

Video Calls

Back

Preview of the front of card 5
View more cards

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