Packet Switching Flashcards
1
Q
What are transmissions?
A
The sending of data from point A to point B.
2
Q
What is Packet Switching?
A
A method of communication across a network where a message is broken down into small pieces which are sent separately.
3
Q
What does each packet consist of?
A
Header and payload
4
Q
What is a header?
A
header - this includes the sender’s and recipient’s IP addresses, the packet number, the total number of packets the message contains, plus the details of any protocols used
5
Q
What is a payload
A
payload - this is part of the actual message itself
6
Q
What does Packet Switching ensure?
A
Packet switching also helps to ensure messages arrive complete without slowing down a network. If the recipient finds packets are missing, it can request that just those packets are re-sent.
