Answer:
The answer is "Option a"
Explanation:
The Data-link protocols define how the devices are detected and recover from damages. It also provides protection mechanisms that recovers data-frames. There are many types of protocols, that include Ethernet for local area networks(LAN), multi-node, etc.
- This protocol is most commonly used in the OSI model, that uses bridges and switches.
- This protocol implies data that delegated to the appropriate physical protocol.