Internet

What is a computer network?

• • A single computer performing multiple tasks

• • A group of interconnected devices that exchange data and
    resources

• • A type of software used for editing documents

• • A device that stores data offline

What was the first example of a computer network?

• • The Internet

• • ARPANET

• • Ethernet

• • LAN

Which protocol is commonly used for data exchange in networks?

• • HTML

• • TCP/IP

• • PDF

• • JPEG

What is the role of a server in a

network?

• • To display web pages

• • To power the network and provide resources

• • To act as a client device

• • To block internet access

Which device connects multiple computers in a LAN?

• • Modem

• • Switch

• • Printer

• • Scanner

What does DNS stand for?

• • Data Network System

• • Domain Name System

• • Digital Network Service

• • Dynamic Naming Service

How does data travel across the

internet?

• • As a single large file

• • In small chunks called packets

• • Through phone lines only

• • Via satellite exclusively

What is the function of a router?

• • To store data permanently

• • To connect multiple networks and direct traffic

• • To display web pages

• • To scan documents

Which network type covers a large geographic area like a city?

• • LAN

• • WAN

• • MAN

• • PAN

What is a VPN used for?

• • To slow down internet speed

• • To extend a private network over a public one for security

• • To block all internet traffic

• • To create a local network without the internet