Across
- 1. The acronym for an independent agency of the U.S. government that promotes the advancement of science and engineering.
- 5. The acronym for the international organization responsible for allocation of IP addresses. Part of the Internet Corporation for Assigned Names and Numbers (ICANN).
- 7. The acronym for an integrated services digital network communication standard for sending voice, video or data over digital telephone lines.
- 11. A ______ subscriber line is a high-speed direct Internet connection that uses all-digital networks.
- 14. The data transmission standard for the Internet. Every computer connected to the Internet has its own IP address, which enables a packet of data to be delivered to a specific computer.
- 15. The acronym for the protocol that resides on an incoming mail server. Similar to POP, but is more powerful. Allows sharing of mailboxes and multiple mail server access. The current version is IMAP4.
- 16. An IP address represented in words.
- 17. An organization that maintains a gateway to the Internet and rents access to customers on a per-use or subscription basis.
- 20. A group of computers connected within a confined geographic area.
- 21. A base-16 number system that allows large numbers to be displayed by fewer characters than if the number were displayed in the regular base-10 system. In hexadecimal, the number 10 is represented as the letter A, 15 is represented as F, and 16 is represented as 10.
- 23. The acronym for the computer agency network, funded by ARPA, that served as the basis for early networking research and was the backbone during the development of the Internet.
- 24. A computer that other computers can use to gain information. In network architecture, a host is a client or workstation.
- 25. link Highlighted or underlined text in a Webpage that, when clicked, links the user to another location or Webpage.
Down
- 2. An Internet protocol used to transfer files between computers; allows file transfer without corruption or alteration.
- 3. The amount of information, sometimes called traffic, that can be carried on a network at one time. The total capacity of a line. Also, the rate of data transfer over a network connection; measured in bits per second.
- 4. An individual computer connected to a network. Also, a system or application (such as a Web browser or user agent) that requests a service from another computer (the server) and is used to access files or documents.
- 6. The protocol for transporting HTML documents across the Internet.
- 8. A server that resolves domain names into IP addresses.
- 9. A U.S. Department of Defense projects agency that created the first global computer network.
- 10. mobile hotspot A device that connects a wireless local area network to a wireless phone network at broadband speeds.
- 12. A worldwide network of interconnected networks.
- 13. A system that maps uniquely hierarchical names to specific Internet addresses.
- 18. Abbreviation for modulator/demodulator. An analog device that enables computers to communicate over telephone lines by translating digital data into audio/ analog signals (on the sending computer) and then back into digital form (on the receiving computer).
- 19. The highest level in the computer network hierarchy, to which smaller networks typically connect.
- 22. A node on a network that serves as a portal to other networks.