Réponse:
**Q1: Examples of Guided Media and Unguided Media:**
- **Guided Media:** This refers to a communication channel that uses a physical medium to transmit data. Examples include:
- Twisted Pair Cable: Commonly used for Ethernet networks.
- Coaxial Cable: Used in cable television (CATV) and broadband internet.
- **Unguided Media:** This refers to a communication channel that does not have a physical conductor or medium. Examples include:
- Wireless Communication: Wi-Fi, Bluetooth, and cellular networks.
- Satellite Communication: Data transmission via communication satellites.
**Q2: Protocol for File Transfer:**
The File Transfer Protocol (FTP) is commonly used to transfer files from one computer to another. FTP allows users to upload or download files between their local systems and remote servers over a network, such as the internet. It provides a set of rules and conventions for data exchange, ensuring efficient and secure file transfers.
