static route

4. It can be Variable length or fixed length
7. Ethernet procedure used to handle collisions during transmissions
10. Device which converts between digital and analogue signals, e.g. telephone line to computer.
11. It happens when transmissions occur at the same time
12. "Cisco command to reactivate an interface on the router"
13. The purpose of scrambling data so it can be sent securely over networks.
16. Software that provides services to a client, or the hardware that is running it.
17. A device for connecting multiple network devices and multiple segments.
18. A set of rules or standards that control communication between devices.

1. Software or hardware that requests services from a server.
2. sense It can be "collision detection" or "collision avoidance".
3. The amount of data that can be transferred from one point to another in a given time period.
5. When it becomes zero, the packet is discarded
6. Automatic switching to a backup computer system in the event of system failure.
8. Device that forwards data packets to the appropriate parts of a computer network.
9. it can be MAC or IP.
14. A tool to check network connectivity
15. Formatted unit of data sent across networks.