TYPES OF INTERNET ACCESS

TYPE:

1. Dail-Up
2. DSL
3. CABLE
4. SATELLLITE
5. FiOS

SPEED OF ACCESS(receiving data):

1. slow: 56 kilobits per. sec.
2. average: 1.5 megabits per. sec.
3. average: 3 megabits per. sec.
4. average: 700 kilobits per. sec.
5. average: 15 megabits per. sec.

ADVANTAGES & DISADVANTAGES

1. availability low user cost --- slow speed
2. speed reliability --- availability high user cost
3. speed reliability --- availability high user cost
4. availability speed --- high user cost reliability
5. speed --- availability high user cost

INTERNET SERVICE PROVIDERS AND ONLINE SERVICES

internet services providers (ISPs) are compaines that provides access to the internet and no additional sservices.

online services is a for-profit firm that provides a proprietary network offering special services that are avilable only to subscribers.

ISPs have several roles and responsibilities, providing and maintaining a connection to the internet. ISP must support the hardware and softwarre needed to service that connection. They need protect their site and network from external threats such as:

• viruses
• hacker attacks
• other illegal activities
• they should provide 24-hour customer services and technical support.

INTERNET

The internet is best thought of as the overarching network of networks. Every connected computer can exchange data with any otther computer on the network. Cyberspace is referred to the internet.

(NSPs) Network Service providers, (NAPs) Network Access Point are the internet backbone.

the internet does more than merely allow any one of millions of computers to exchange data with anyother. introperability is one key to the internet's success.