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WorksheetsQuiz 3 - Networking and the Internet
Total questions: 12
Worksheet time: 7mins
Before data is sent over a network, it is split up into multiple pieces called ......
envelopes
packets
parcels
Each one has a ...... that tells other computers where the data is going, where it has come from and which numbered piece it is.
footer
sticker
header
The individual pieces of data are then sent using ......, which means that if one piece goes missing it can be resent or, if one piece takes a long time to arrive, other pieces can be sent via a different route.
direct messaging
circuit switching
packet switching
Data is split into packets. Which one or more of the following does each packet contain?
A portion of the original data
All the original data
A header
The email address of the recipient
The header in a packet contains which one or more of the following?
The IP address of the sender
A portion of the original data
The email address of the recipient
The IP address of the recipient
Which one or more of the following correctly explain why using packets is helpful?
Smaller packets can travel further than large packets
If some of the data doesn't arrive, the individual packet containing that data can be re-sent.
If one packet doesn't arrive quickly, other packets can be sent via different routes.
The total size of the individuals packets is less than the size of the original data
True or False
All packets are sent using the same route to make sure none of them get lost.
True
False
True or False
Packets will always arrive in the order they were sent.
True
False
True or False
Two packets with the same destination will always be sent via the same route.
True
False
True or False
Packet switching typically means that a collection of data arrives successfully at its destination more quickly than if packet switching is not used.
True
False
True or False
Packet switching works best on large networks with lots of different connections and routes.
True
False
True or False
Two packets with the same destination will always be sent via different routes.
True
False
