Computer Networks Quiz L2

What does LAN stand for?

• Local Area Network

• Local Access Network

• Large Area Network

• Local Attached Network

Which of the following is an advantage of a star network topology?

• If one cable fails the other computers are not affected

• If the central switch fails the whole network goes down

• The single cable is shared by many devices so there will be many 'collisions' of data if data is sent at the same time

• Requires additional hardware such as the central switch and network cables

What is the purpose of a router in a network?

• Sends data to the appropriate connected computer

• Connects together all the computers or devices on the LAN

• Routes packets of data towards their destination

• Connects wireless devices to a network

Which type of cable is often used in bus networks?

• Copper cable

• Coaxial cable

• Fibre optic cable

• Ethernet cable

What is the main purpose of a Personal Area Network (PAN)?

• Connects computer devices near to a person

• Connects nearby computers such as in a school, business, home

• Connects networks at remote locations via leased lines

• Connects devices over a short distance using radio waves

What is the frequency at which Bluetooth operates?

• 2.4 GHz

• 1.8 GHz

• 5 GHz

• 10 GHz

What is the purpose of pairing Bluetooth devices?

• To increase the range of Bluetooth devices

• To increase the frequency of radio waves

• To create a persistent link between the devices

• To connect devices over a long distance

What is the function of a Network Interface Card/Controller (NIC) in a computer or device?

• Routes packets of data towards their destination

• Connects wireless devices to a network

• Connects together all the computers or devices on the LAN

• Enables the device to connect to a network

What is the main disadvantage of a bus network topology?

• The single cable is shared by many devices so there will be many 'collisions' of data if data is sent at the same time

• If the cable is damaged, the whole network fails

• If one cable fails the other computers are not affected

• Requires additional hardware such as the central switch and network cables

What is the main function of a switch in a network?

• Connects wireless devices to a network

• Routes packets of data towards their destination

• Connects together all the computers or devices on the LAN

• Enables the device to connect to a network