CodeHS - Unit 3: The Internet Review

Front

What is the basic purpose of the internet?

Back

The internet sends information from one computer to another.

Front

What is the main purpose of routers?

Back

Routers connect computers and choose the path that information takes from one computer to another.

Front

Two computers are built by different manufacturers. Which of the following best describes whether these two computers can communicate with each other across the Internet?

Back

The computers can communicate directly because Internet communication uses standard protocols that are used by all computers on the Internet.

Front

According to the domain name system (DNS), which of the following is a valid subdomain of the domain example.com? Options: about.example.com, example.com/about.html, example.com.about, example.org

Back

about.example.com

Front

Which of the following is NOT a main method for sending information from one computer to another? Radio, molecules, light, electricity

Back

molecules

Front

What happens when a new device is connected to the Internet?

Back

An Internet Protocol (IP) address is assigned to the device.

Front

What does it mean for a routing system to be 'redundant'?

Back

it means that there is more than one path between two points in the network.

Front

What is the Internet Protocol (IP)?

Back

A protocol that defines the structure of an Internet address and assigns a unique address to every device on the Internet

Front

Fiber optic cables transfer data at the speed of light, so they have the _______________ latency. This results in the __________ connection.

Back

lowest, fastest

Front

Which of the following is considered an unethical use of computer resources?

Back

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