Edexcel GCSE ICT - Unit 2 - Network
Network - correct answer-A group of connected digital devices, such as a home computer
network, the Internet, a mobile phone network or a landline phone network.
Home Network - correct answer-Multiple computers can share resources, such as
broadband, files and printer; home entertainment systems can be connected together
throughout a household via wireless or wired connections. This is called a LAN or local area
network (or WLAN: wireless local area network).
School and Business Network - correct answer-Multiple workstations are connected to a
mains server (a computer which holds the programs and other resources) over a LAN.
Several LANs may be linked together over multiple sites creating a WAN (wide area
network). A computer that is not connected to a network is called a stand-alone computer.
Server - correct answer-a computer which serves client computers or workstations on a
network. The server contains the programs/drives and files / web pages which are shared
between each workstation on the network.
Station - correct answer-Any device that is connected to a wireless
peer-to-peer (P2P) network - correct answer-a device which communicates wirelessly with
another device without using a central access point.
Router/ Modem - correct answer-A router or modem connects computers to a network or to
the Internet. A router has a default password or network key which should be changed for
security purposes. A router should also have a firewall to prevent unauthorised access
(hacking). Types of modem include ADSL, cable and wireless broadband (e.g. 3G/4G). Note:
4G is the next generation of mobile broadband.
Ethernet bridge - correct answer-This enables connection between different types of network
(wired and wireless). For example, a wireless Ethernet bridge enables the connection of
devices on a wired Ethernet network to a wireless network.
Bandwidth - correct answer-Data transfer. Data can be transmitted through cable (wired
networks), wireless (infrared, radio, etc.) and satellite. Data transmission speeds will vary
depending on the size of the data being transmitted and the method of transfer. The transfer
rate of data is usually measured in megabits (million bits) or megabytes (million bytes). Data
transfer also refers to the total amount of information downloaded from a website to a
computer. The amount of visitors and the complexity of the site (pages, downloadable items,
images, video, sound, etc.) affect the rate of data transfer on a website.
Network Bands - correct answer-The network (or frequency) band of a mobile phone limits
the countries in which it can be used. There are four bands which cover most countries
where there is a GSM network. A network/frequency band, also referred to as a GSM
Network - correct answer-A group of connected digital devices, such as a home computer
network, the Internet, a mobile phone network or a landline phone network.
Home Network - correct answer-Multiple computers can share resources, such as
broadband, files and printer; home entertainment systems can be connected together
throughout a household via wireless or wired connections. This is called a LAN or local area
network (or WLAN: wireless local area network).
School and Business Network - correct answer-Multiple workstations are connected to a
mains server (a computer which holds the programs and other resources) over a LAN.
Several LANs may be linked together over multiple sites creating a WAN (wide area
network). A computer that is not connected to a network is called a stand-alone computer.
Server - correct answer-a computer which serves client computers or workstations on a
network. The server contains the programs/drives and files / web pages which are shared
between each workstation on the network.
Station - correct answer-Any device that is connected to a wireless
peer-to-peer (P2P) network - correct answer-a device which communicates wirelessly with
another device without using a central access point.
Router/ Modem - correct answer-A router or modem connects computers to a network or to
the Internet. A router has a default password or network key which should be changed for
security purposes. A router should also have a firewall to prevent unauthorised access
(hacking). Types of modem include ADSL, cable and wireless broadband (e.g. 3G/4G). Note:
4G is the next generation of mobile broadband.
Ethernet bridge - correct answer-This enables connection between different types of network
(wired and wireless). For example, a wireless Ethernet bridge enables the connection of
devices on a wired Ethernet network to a wireless network.
Bandwidth - correct answer-Data transfer. Data can be transmitted through cable (wired
networks), wireless (infrared, radio, etc.) and satellite. Data transmission speeds will vary
depending on the size of the data being transmitted and the method of transfer. The transfer
rate of data is usually measured in megabits (million bits) or megabytes (million bytes). Data
transfer also refers to the total amount of information downloaded from a website to a
computer. The amount of visitors and the complexity of the site (pages, downloadable items,
images, video, sound, etc.) affect the rate of data transfer on a website.
Network Bands - correct answer-The network (or frequency) band of a mobile phone limits
the countries in which it can be used. There are four bands which cover most countries
where there is a GSM network. A network/frequency band, also referred to as a GSM
