Fundamentals of computer networks

What is a network?

• Two or more computers connected together for the purpose of communicating

• A standalone computer

• Two or more computers working in tandem

What is a LAN?

• 
  Large area network

• Large arrayed network

• Local area network

Which device may also contain a modem?

• 
  A router

• A switch

• A hub

What is a server?

• 
  A computer that manages and stores files

• A computer that is connected to the internet

• A collection of high speed computers

What is an advantage of using fibre-optic cables over copper cable?

• 
  Fibre-optic cables cost less than copper cable

• Fibre-optic cables have a higher data transfer rate than copper cable

• Fibre-optic cables are more flexible than copper cable

What is the purpose of a router?

• To broadcast messages across a network

• To translate a domain name into an internet address

• To connect networks together

Which of the following is a disadvantage of using a wireless connection?

• 
  Limited connection range

• Freedom of movement

• Users cannot share files

What is a PAN?

• Personal area network

• Protected area network

• Person array network

Which of these is a disadvantage of networks?

• Sharing of files

• Spread of malware

• Access to hardware

Which of these is a WAN?

• The internet

• A business network that is contained within one building

• A school network that covers two buildings on the same site