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1. The capability of substituting one component or system with another that performs the same function.
2. The use of personal area networks to enable secure and convenient mobile payments using smartphones, wearables, or other personal devices.
3. A type of server where all the physical resources are exclusively allocated to a single user or organization.
4. A distinct title that designates a website on the Internet.
5. Category 5e is an Ethernet cable frequently utilized in wired networks, enabling data transmission speeds of up to 1000 Mbps.
6. A network where all devices have equal capabilities and responsibilities, and can directly communicate with each other without a central server.
7. A decentralized wireless network where each node cooperates to distribute network data, often used for increased coverage and improved reliability.
8. The ability of a network to continue operating and functioning properly even when some of its components or nodes fail.
9. An indicator that shows the availability or current status of a user in an instant messaging client.
10. A server that translates domain names into IP addresses.
11. A method used to scramble data using a secret code in order to protect it from unauthorized access.
12. A unique numerical label assigned to each device connected to a computer network that uses the Internet Protocol for communication.
13. The set of network protocols and software that enable communication between devices on a computer network.
14. The ability of a system or software to adapt over time to meet changing requirements.
15. The process of combining and applying multiple CSS stylesheets and inline styles, resolving conflicts and producing the final style for an element.
16. A unit of data transmitted over a network comprises a header and payload, which contain the actual information being sent.
17. A feature that enables multiple users to participate in a single chat conversation within an instant messaging client.
18. A type of computer network that allows devices to connect and communicate wirelessly.
19. A network composed of interconnected cells that provide coverage for mobile communication.