layer 2&3 (Moaz Mohamed )layer 2&3 (Moaz Mohamed ).pptx

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1. Layer 1 & layer 2 Moaz Mohamed El-sayed

2. 1-Layer 2  (Data Link Layer) is responsible for the physical transmission of data between devices on the same network. It provides a way to establish, maintain, and terminate connections between devices . 

3. Addressing Layer 2 uses MAC addresses to identify devices on the same network. MAC addresses are assigned by the manufacturer and are unique to each device. 

4. Protocols Layer 2 uses protocols such as Ethernet, Token Ring, and PPP to manage the physical transmission of data.  

5. Devices Layer 2 operates on switches and bridges that connect devices within the same network. 

6. 2-Layer 3  (Network Layer) is responsible for routing data packets between different networks. It determines the best path for data to travel from the source to the destination. 

7. Addressing Layer 3 uses IP addresses to identify devices on different networks. IP addresses are used to route data across different networks and are assigned by the network administrator. 

8. Protocols Layer 3 uses protocols such as IP, ICMP, and ARP to route and manage data across networks. 

9. Devices Layer 3 operates on routers that connect different networks and determine the best path for data to travel. 

10. THANK YOU