Internet

4. A communication protocol used for sending messages without ensuring that they arrive in order or without errors.
6. A group of interconnected devices that can communicate and share data.
8. A value calculated from data to verify its integrity during transmission.
12. Techniques used to manage data traffic on a network to prevent overload and ensure smooth transmission.
13. A device that connects different networks and directs data between them.
14. A system that translates human-readable domain names (like youtube.com) into IP addresses.

1. A large, distributed network that connects computers and devices around the world.
2. A level in the OSI model that manages sessions for communication between computers, establishing and terminating connections.
3. A unique string of numbers assigned to each device connected to a network, used for identification and communication.
5. A set of rules that determine how data is transmitted and received over a network.
7. A protocol that ensures reliable delivery of messages in the correct order and checks for errors.
9. A device that forwards data packets between computer networks, directing traffic.
10. The maximum amount of data that can be transmitted over a network in a given time.
11. A small unit of data sent over a network, containing information like the sender's and receiver's addresses.
15. A subdivision of a domain that allows for organizing different sections of a website (like images.google.com).