Technology
OSI Layer
Network
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Bonus Questions
100

Which cellular device component allows users to take photos and videos?

Camera

100

Which OSI layer is responsible for routing data between networks?

Network Layer

100

Which device connects multiple computers within a local area network?

Switch

100

What does CSS stand for?

Cascading Style Sheets

100

Which mobile technology is used for short-range wireless communication between devices?

Bluetooth

200

What is the primary function of a smartphone SIM card?

Connect to cellular network

200

Which OSI layer handles encryption and data formatting?

Presentation layer

200

What is the primary function of a router?

Connect networks together

200

Which CSS property changes text color?

CSS color property

200

What device is commonly used to provide Wi-Fi in homes and schools?

Router

300

What does LTE stand for?

Long Term Evolution

300

Which OSI layer is responsible for transmitting raw bits across a cable?

The Physical Layer

300

Which device converts digital signals into analog signals for internet access?

modem

300

Which CSS property controls the size of text?

font-size

300

Which device extends the range of a network signal?

Repeater

400

Which feature allows a phone to connect to wireless internet?

WI-FI

400

Which protocol commonly operates at the Application Layer?

HTTP

400

Which networking device helps protect a network from unauthorized access?

firewall

400

True or False: The Command Line Interface allows users to interact with a computer using text commands.

True

400

What is the purpose of a network switch?

Send data to the correct device

500

What is the purpose of airplane mode on a cellular device?

Disable wireless communication

500

Which OSI layer ensures reliable data delivery?

Transport layer

500

Which device broadcasts wireless internet signals?

Access Point

500

True or False: CSS is used to style webpages.

True

500

What technology allows users to pay with their phones by tapping?

NFC
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