Introduction to computer networks

What is LAN?

• A network of computers within the same building.

• A network of computers located in different geographical locations.

• A network that creates a safe and secure connection over less secure network.

Complete this sentence: Internet is an example of …………………

• LAN

• MAN

• WAN

• PAN

.Complete this sentence: A Bluetooth connection within devices in a car is an example of ………

• PAN

• WPAN

• MAN

• LAN

What are fibre-optic cables made of?

• Copper

• Glass

• Aluminium

• Iron

Complete the sentence: Fibre-optic cables transmit signals in the form of ………………….. signals

• Light

• Electrical

• Radio

Complete this sentence: A Bluetooth connection within devices in a car is an example of …………………

• PAN

• WPAN

• VPN

• MAN

Complete this sentence: A ……………… turns a digital data into an electrical signal

• Router

• Modem

• Hub

• Switch

Complete the sentence: ……………… broadcasts data to all devices in the network.

• Router

• Modem

• Hub

• Bridge

Which of the following is FALSE about switches?

• Switches store the MAC address of devices on a network.

• Switches broadcast data to all devices in the network.

• Switches filters data packets.

• All of the above

Usage of which of the following cables, ensures a faster Ethernet?

• Coaxial cable

• Optical fibre

• Unshielded twisted pair

• Speed of Ethernet is not related to the type of cable