9618 Chapter 2 Internet

What is the main function of a router in a computer network?

• Forwarding data packets between computer networks

• Playing music

• Printing documents

• Cooking dinner

What is the purpose of a firewall in internet security?

• To play music

• To cook dinner

• To monitor and control network traffic

• To water the plants

Which of the following is an example of internet hardware?

• Toaster

• Microwave

• Router

• Television

What is the role of DNS (Domain Name System) in internet communication?

• DNS encrypts internet traffic

• DNS controls website design

• DNS translates domain names to IP addresses

• DNS manages email communication

What is the purpose of a modem in internet connectivity?

• To convert digital data into analog signals for transmission over a telephone line, and vice versa.

• To convert analog data into digital signals for transmission over a telephone line, and vice versa.

• To provide power to the internet connection.

• To encrypt and decrypt data for secure transmission.

Which of the following is an example of internet software?

• Music player

• Cooking app

• Web browser

• Video game

What is the function of an IP address in internet communication?

• To make the internet more colorful

• To uniquely identify a device on the internet and facilitate communication between devices.

• To control the speed of internet connection

• To provide entertainment to users

What is the purpose of a network switch in a computer network?

• To play music for the devices

• To water the plants for the devices

• To connect multiple devices within a local area network (LAN) and manage the traffic between them.

• To cook food for the devices

What is the function of a web browser in internet usage?

• To cook food

• To drive a car

• To send emails

• To access and view websites on the internet.

What is the purpose of an Ethernet cable in internet connectivity?

• To provide wireless internet access

• To physically connect a device to a network for high-speed internet access

• To improve internet speed

• To charge the device