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

• VPN

• MAN

Complete this sentence: A network that creates a safe and secure connection for an organisation over Internet is ………….?

• WPAN

• VPN

• SAN

A developer designs an online ticketing system for an airline service. Which type of network model is best suited for this application?

• Client-server network model

• Peer-to-peer network model

• Both A and B are equally good.

How can the performance of client-server network model be improved?

• Upgrading the computer system of clients.

• Limiting the number of clients who can connect to the server at a particular time.

• Upgrading the server.

Which type of network model is well suited for an application where data backup is necessary?

• Client-server network model

• Peer-to-peer network model

• Both A and B are equally good.

Which type of network model may lead to illegal file sharing?

• Client-server network model

• Peer-to-peer network model

• Both A and B

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