Network Communications

2. Unique identifier used to locate a device on a network
5. Abbreviation for the department that commissioned this pioneering networking model
6. Layer where end-user services such as web browsing occur
8. Small unit of data transmitted over a network
10. Piece of data processed by the transport layer for reliable communication
11. Security system that monitors and controls network traffic
14. Process of wrapping data with protocol information before transmission
16. Transmission issue that may require detection and correction
17. Process of selecting paths for data packets to travel across networks
19. Link established between devices to facilitate communication

1. Layer responsible for data segmentation, error detection, and flow control
3. Device that directs data packets between networks using IP addresses
4. Abbreviation for the protocol that provides logical addressing and routing
7. Set of rules and standards used for data exchange in networks
9. Level within a networking model that performs specific functions
12. Layer that uses unique addressing for routing packets across networks
13. Reliable transport protocol known for connection-oriented communication
15. Networking device that connects devices within the same network and forwards frames
18. Faster transport protocol that sacrifices reliability for speed
20. Also known as the Link layer, handling physical data transmission