Across
- 2. a system for connecting a number of computer systems to form a local area network
- 6. thin flexible fibres with a glass core through which light signals can be sent
- 7. the main means of mass communication (internet) regarded collectively.
- 8. the effective centre of a network
- 9. copy data from one computer system to another
Down
- 1. an electronic device for storing and processing data
- 3. a device which forwards data packets to the appropriate parts of a computer network
- 4. protect (a network or system) from unauthorized access
- 5. equal to 1000Mb