13 Things You Might Not Know About 'The Catcher in the Rye'. Since its publication in 1951, The Catcher in the Rye has spawned catchphrases, book-banning campaigns, unauthorized sequels, and untold millions of padded high school English class essays.
What is a router and the functions of router. A router is another network infrastructure device that directs packets through the network based on information from Network Layer (Layer 3) of OSI model. A router uses a combination of hardware and software to route data from its source to its destination.
Mostly, however, the function of firewalls are to screen activities in order to protect a network. Summary: 1. A router transports data between networks; a firewall screens data that is to be sent across a network. 2. Routers are usually connected to at least two networks; a firewall operates from a designated computer, separate from the network, to deter incoming requests from reaching private network resources.