What device operates at multiple layers?

A multilayer switch (MLS) is a computer networking device that switches on OSI layer 2 like an ordinary network switch and provides extra functions on higher OSI layers.

What is computer network layer?

1) In computer programming, layering is the organization of programming into separate functional components that interact in some sequential and hierarchical way, with each layer usually having an interface only to the layer above it and the layer below it. Communication programs are often layered.

Which network hardware component operates through all the seven layers of OSI model?

Answer: The Application layer, layer 7, is the closest to the user. Hubs, switches, and routers operate at the lowest three layers of the OSI network model: the physical layer, data link layer and network layer. Hubs work at the first or Physical layer.

What is Gateway network device?

A gateway is a hardware device that acts as a “gate” between two networks. It may be a router, firewall, server, or another device that enables traffic to flow in and out of the network. It allows computers within the local network to send and receive data over the Internet. …

What is computer network server?

In computing, a server is a piece of computer hardware or software (computer program) that provides functionality for other programs or devices, called “clients”. A client process may run on the same device or may connect over a network to a server on a different device.

Is a router a Layer 2 device?

Think of them as functions. Routing is a layer 3 function. Packet switching is a layer 2 function. If a router can packet switch as well as route, it is a layer 2 and layer 3 device.

What is gate way used for?

A computer that sits between different networks or applications. The gateway converts information, data or other communications from one protocol or format to another. A router may perform some of the functions of a gateway.