Font size
WorksheetsOCR Computer Science - Networks
Total questions: 27
Worksheet time: 16mins
Which of these is the correct definition of a router?
Forwards data packets along a network
Corrects errors that are found in data packets
A type of transmission media that provides the greatest bandwidth
A server within a network
Which transmission media is capable of having a much higher bandwidth?
Coaxial
Twisted pair cable
Plastic
Fibre optic
Which type of transmission media is the least expensive to manufacture?
Coaxial
Twisted pair cable
Plastic
Fibre optic
Which of these components is internal to a computer and is required to connect the computer to a network?
Wireless Access Point
Network Interface card
Switch
Hub
What is meant by latency in the performance of a network?
The amount of time data takes to travel from the source to the destination
The maximum rate that data can be transferred at
The number of errors that are found in a data packet after transmission
The route a packet takes when it is being transmitted
What is meant by a data packet?
A unit of data that travels along a network
The number of error found in data when it has been transmitted
The data a computer needs to connect to a network
A connection point in a network that allows data to be shared
Which if these terms refers to the maximum rate at which data can be transferred?
Error detection
Packet switching
Bandwidth
Transmission media
Which is the right order for network layers
Application Link Transport Network
Application Transport Link Network
Application Transport Network Link
Transport Link Network Application
Which layer does TCP operate on
Application
Transport
Network
Link
Which topology is this a picture of
Star
Bus
Mesh
Ring
Which layer does IP operate on
Application
Transport
Network
Link
Which protocol is used for sending emails?
POP
IMAP
SMTP
FTP
Which of these never changes on a device
MAC address
IP address
What is an advantage of IMAP over POP
It is quicker
It can cope with more email messages
It will synchronise all devices with the users mailbox
It has more space to store old messages
A computer not connected to a network is considered a ...
Stand Alone computer
Router
Network
Terminal
Which of the following statements is true?
The Internet consists of millions of web pages linked together.
The Internet is a web page created by a business.
The WWW consists of millions of web pages linked together.
WWW is the unique identity of a web page.
What is the technical word for 'Delay'?
Bandwidth
Latency
Backbone router
Web Server
Which layer splits data into packets?
Transport Layer
Application Layer
Network Layer
Link Layer
What are the benefits of networking?
(Tick all that apply)
Share resources and hardware
Easy to share and communicate with other devices
If one device fails the others are unaffected
They are cheaper
What are advantages of a client-server network? (tick all that apply)
Backups can be centralised
Files and data can be stored centrally
The network can be monitored and controlled from a central location
If the server goes down the computers are unaffected
