Which network device converts the electrical signal used in copper unshielded twisted pair (UTP) network cabling to light waves used for fiber optic cabling?

Which network device converts the electrical signal used in copper unshielded twisted pair (UTP) network cabling to light waves used for fiber optic cabling?

• A. Media converter
• B. Switch
• C. Modem
• D. Router

Answer: (A)

A media converter is a device specifically designed to facilitate data transmission between different types of network cabling, such as copper unshielded twisted pair (UTP) and fiber optic cables. It works by converting the electrical signals transmitted over copper wires into light waves that can travel through fiber optic cables, and vice versa. This functionality is essential in networks where a combination of copper and fiber optics is used, allowing for seamless communication between devices connected to different media. In contrast, the other options play different roles in a network. A switch is used to connect multiple devices on a local area network (LAN) and to direct data traffic between them, while a router connects different networks and routes data between them. A modem serves to modulate and demodulate signals for data transmission over telephone lines or cable, typically for Internet access. None of these devices perform the specific function of converting electrical signals to light waves as a media converter does.

A media converter is a device specifically designed to facilitate data transmission between different types of network cabling, such as copper unshielded twisted pair (UTP) and fiber optic cables. It works by converting the electrical signals transmitted over copper wires into light waves that can travel through fiber optic cables, and vice versa. This functionality is essential in networks where a combination of copper and fiber optics is used, allowing for seamless communication between devices connected to different media.

In contrast, the other options play different roles in a network. A switch is used to connect multiple devices on a local area network (LAN) and to direct data traffic between them, while a router connects different networks and routes data between them. A modem serves to modulate and demodulate signals for data transmission over telephone lines or cable, typically for Internet access. None of these devices perform the specific function of converting electrical signals to light waves as a media converter does.