Computer Networks

There are two categories of media commonly used for networking: bounded and unbounded. Bounded media are those that use cables for transmitting electricity or light; unbounded media does not require cabling and includes satellite, microwave and radio transmission. Wireless connections, including 802.11b and 802.11g, are examples of unbounded media. Today, bounded media continue to be more common than unbounded, and it is bounded media considered here.

The Public Switched Telephone Network (PSTN) provides the dial-up connections with which many residential consumers connect to the Internet. This uses connections on the standard copper phone lines found in homes, which makes it convenient, but has an analog transmission limit of 53Kpbs. Modems are used for communications by modulating digital signals into analog signals that

. . .
Some common words found in the essay are:
Kbps PRI, WANs VPNs, INTRODUCTION Computer, Networking Protocol, TYPES MEDIA, Network PSTN, DOMINANT SERVICE, NETWORKS Local, Dish Network, SBC Verizon, found residential, residential environments, commonly found, typically found, types networks, pri provides, found residential environments, commonly found residential, bounded media, networks commonly found, technology typically, unbounded bounded, networks commonly, consumers connect internet, unbounded bounded media,
Approximate Word count = 876
Approximate Pages = 4 (250 words per page)

More Essays on Computer Networks