PDI+ Chapter 2.1 Network Basics
Across
- 3. wiring standard which enables the direct connection of the same type of network device.
- 4. Large core optical fibre using an LED light source.
- 5. A set of rules enabling systems to communicate.
- 7. aka 802.3
- 10. The O in NOS.
- 12. Number of wires in a Cat5 cable.
- 13. Typical indoor range of 802.11a, in metres.
- 14. Uses port 389
- 17. Alternative name for RJ-45 connectors
- 18. Unique ID for each device (network adapter) at the datalink layer expressed in hexadecimal.
- 20. Layer 4 of the OSI model.
- 22. Category of cable which supports both Gigabit and 10G ethernet networks.
- 24. Wireless connection type that requires line of sight.
- 26. Uses port 23.
Down
- 1. A word used to described the ability of network equipment to transmit data in both directions either at once or one direction at a time.
- 2. Protocol used for sending email.
- 3. The effect of this on network performance is reduced by using switches instead of hubs.
- 6. Part or unit of a larger network linked by a connectivity device.
- 8. The main characteristic of network media, also called data rate.
- 9. Most commonly used network topology where each device is connected to a central hub or switch.
- 11. The first layer of the OSI model.
- 15. Wireless security protocol which uses AES encryption.
- 16. Layer of the OSI model with 2 distinct sublayers.
- 19. 169.254.x.y
- 21. Wireless network name.
- 23. item added to a message at each layer of the OSI model.
- 25. Common cable type for Ethernet networks.