The document discusses networking devices such as hubs and switches, detailing their functions in broadcast and collision domains. It also outlines the types of switches and provides initial configuration commands for Cisco switches, including modes of operation. Key commands include setting passwords for console access and enabling configuration modes.

2. Broadcast and collision domain

3. Networking device

4. Repeater

5. Hub

6. Function of hub

7. Function of hub

8. Function of hub

9. Function of hub

10. Broadcast and collision domain

11. switch

12. Function of switch

13. Function of switch

14. Function of switch

15. How many broadcast and collision domain

16. Broadcast domain

17. Collision domain

18. Types of switches

19. Cisco hierarchical design for switches

20. CLI Command Modes
Switch>
- User Mode.
Switch# - Privileged Mode.
Switch(config)#
- Global Configuration Mode.

21. Initial Configuration
Switch.
• Switch>enable
• Switch# configure terminal
• Switch(config)# hostname HRG
• HRG(config)# line console 0
• HRG(config-line)#password ccna
• HRG(config-line)#login
• HRG(config)#line vty 0 4
• HRG(config-line)#password telnet
• HRG(config-line)#login
• HRG(config)#enable password ccnp