WAP is an open international standard for applications that use wireless communication. Its principal application is to enable access to the Internet from a mobile phone or PDA
describe the embedded technology of wireless local area networks (WLAN) based on the IEEE 802.11 specifications
Wi-Fi devices in home or consumer-type environments connect in the following ways:
Via a broadband Internet connection into a single router which can serve both wired and wireless clients
Ad-hoc mode for client to client connections
Built into non-computer devices to enable wireless connectivity to other devices or the Internet
While e-business refers to more strategic focus with an emphasis on the functions that occur using electronic capabilities, e-commerce to be a subset of an overall e-business strategy. E-commerce seeks to add revenue streams using the Worldwide Web or the Internet to build and enhance relationships with clients and partners and to improve efficiency using the Empty Vessel strategy. Often, e-commerce involves the application of knowledge management systems.
E-business involves business processes spanning the entire value chain: electronic purchasing and supply chain management, processing orders electronically, handling customer service, and cooperating with business partners.
Similar to an escrow service, PayPal acts as the middleman holder of money.
At no time will either party see the other's credit card or bank information.
PayPal 101: "What exactly is PayPal?"Part 2: "How does PayPal make money?"Part 3: "What can I use PayPal for?"Part 4: "How safe is PayPal?"Part 5: "How do I get started with PayPal?"Part 6: "What Paypal account type should I get?"Part 7: "How do I set up my new Paypal account?"Part 8: "How does Paypal withdraw my money?"Part 9: "How do I send money with Paypal?"Part 10: "I won an auction! What now?"
A firewall is an information technology (IT) security device which is configured to permit, deny or proxy data connections set and configured by the organization's security policy.
The DMZ is typically used for connecting servers that need to be accessible from the outside world, such as e-mail, web and DNS servers.
A DMZ is often created through a configuration option on the firewall, where each network is connected to a different port on the firewall - this is called a three-legged firewall set-up.