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Computer Networks Review
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Computer Networks Review
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25 Questions

1.
a set of programs that manages and secures a network

2. a unit of data used in ring topology to prevent collisions; or a handheld electronic device that generates a log-on code

3. the science of designing a network

4. a network that allows different companies to set up their own networks

5.
two or more computers connected to each other to share resources

6. a technology that provides an unbroken connection between two computers, enabling them to exchange data quickly; also used in telephone networks to open a dedicated line (a circuit) for a phone call and leave the circuit open for the duration of the call

7.
a workstation computer attached to a network, which is controlled by a server

8.
a networking technology used for local area networks

9. a keyboard and monitor attached to a shared, central computer

10.
a type of system used at retail checkout counters (the point of sale), which scans product codes for items being purchased, veri es the items' prices, and usually updates inventory and customer information through a connection to the seller's network

11. a method of transmitting data across a network by breaking it into tiny segments called packets

12. the electronic pulses of information that carry data through a network to its destination

13.
hardware or software that prevents access to a network

14.
the combined effect group effort can
create

15. a standard that anyone can use

16. a business to-business wide area network

17.
a network design in which all components are connected directly to other components

18.
the main computer in a client/server system

19. a network that connects computers and other resources over great distances

20.
a network design that connects multiple star networks in a local area network

21.
the layout of the physical structure of a network

22.
a network system that uses a central server computer

23.
a hardware device that physically connects a
computer to a network

24.
a communications technology used by most permanent virtual circuits that allows voice, data, and video to travel on the same line at the same time

25. making les available to more than one user on a network

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