WorksheetsEdexcel GCSE Computer Science: Topic 4: Networks
Total questions: 10
Worksheet time: 5mins
What is the main reason why computers are connected in a network?
To reduce power consumption
To improve display resolution
To increase processing speed
To share resources and information
Which of the following is an example of a LAN (Local Area Network)?
The network of a single home
The network of an entire city
The network of multiple countries
The network of a continent
What is the structure of the internet based on?
Domain naming
IP addressing
Physical location
MAC addressing
How does the characteristics of wired and wireless connectivity impact on performance?
Memory, storage, processing power
Resolution, refresh rate, response time
Color, brightness, contrast
Speed, range, latency
In what units are network speeds measured?
Miles per hour, kilometers per hour, knots
Bytes, kilobytes, megabytes
Kilobit, megabit, gigabit per second
Hertz, kilohertz, megahertz
What is the role of TCP/IP in network communication?
Ensuring physical security
Providing wireless connectivity
Handling data transmission
Managing access control
Which layer of the TCP/IP model is responsible for addressing and routing?
Link
Internet
Transport
Application
What are examples of network topologies?
CPU, RAM, hard drive
Keyboard, mouse, monitor
Bus, star, mesh
Database, spreadsheet, presentation
What is the importance of network security?
To increase processing speed
To reduce power consumption
To improve display resolution
To protect against unauthorized access
Which of these will not help guard against unauthorised access of a computer
Password policy
Firewalls
Physical security
Defragmenting
