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WorksheetsOCR GCSE - Networks & Performance
Total questions: 14
Worksheet time: 7mins
What is bandwidth?
The measure of how fast data travels
The amount of data that can be sent and received successfully in a specified period of time
The time it takes for data to travel from one device to another
The number of devices connected to a network
Which type of connection offers higher bandwidth?
Wired connections
Wireless connections
Fibre optic cables
Copper cables
What can happen on a busy network with lots of traffic?
Data collisions
Faster data transmission
Lower latency
Increased bandwidth
What is latency?
The measure of how fast data travels
The amount of data that can be sent and received successfully in a specified period of time
The time it takes for data to travel from one device to another
The number of devices connected to a network
What can cause latency in a network?
Bottlenecks in network infrastructure
Insufficient bandwidth
Data collisions
Using switches to segment network traffic
Which network covers a large geographical area?
LAN
WAN
Which is the best definition of a network?
Lots of interconnected computers
Two or more computers connected together
computers which can connect to the internet
the Internet
What is a stand-alone computer?
a computer that is connected to a network
a computer that is not connected to a network
A computer that is not next to another computer eg a smartphone
The best quality and performing computer available
What is a data collision?
When two devices on a network transmit data at the same time
When one device on a network transmits data
When two devices on a network transmit at separate times
A router...
Turns ethernet signals into Internet signals
Directs network traffic based on IP addresses
Cannot be used in a LAN - only on the Internet
Repeats incoming packets to ALL ports
