COMPUTER NETWORKS
What is a network?
a group of connected computers
Which topology uses a central hub or switch?
Star Topology
Which device connects a computer to a network?
NIC (Network Interface Card)
Name the network that covers a school building.
LAN
Which topology forms a closed loop
Ring Topology
Which device directs data between networks?
Router
What is the difference between a networked and stand-alone computer?
a networked system shares resources while a stand-alone system works independently?
Which topology uses a single backbone cable?
Bus Topology
Which device increases the number of network connections?
Switch
Name TWO wired transmission media.
twisted-pair cable, coaxial cable, or fibre-optic cable
What happens if the central device in a star network fails?
the entire network stops working
What is the function of a modem?
a modem converts signals and connects to the internet
Explain the difference between an intranet and an extranet.
an intranet is private to an organization while an extranet allows limited access to outsiders
Which topology would be best for a school lab and why?
Star Topology because it is easy to manage and troubleshoot
Explain the difference between a router and a switch.
a router connects networks while a switch connects devices within a network