Kod Seryjny Do X-blades

16. Elementos de una red informática.

A) What four known forms of data transmission of a computer network? Beside each one takes up a picture of each item.

Cable

coloxial

Fiber Optic

Twist wire

Wireless

B) defines who they are and to serve the following components of a computer network and next de cada uno una foto del mismo.                                                                                                                          

- Plate Lunches network or : group of organizations responsible for providing information, assistance and networking services.

- Repeaters, hubs or Husban: is an electronic device that receives a weak signal or low level and transmits a signal strength or higher, so that they can cover longer distances without degradation to a tolerable degradation.

Switsches: is a digital device interface logic computer networks that operate at Layer 2. ; ;

Bridges: is a device that connects two or more physical networks using the same protocol communications and routes data packets between them. ; ; ;

Routers: es un dispositivo que se utiliza para conectar fisicamente dos redes que utilizan el mismo protocolo, o una red a internet.

Gateways o puerta de enlace: servidor que actúa como intermediario para otro servidor.