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Ccna | Basic Notes

To configure a Cisco router or switch, you use the Command Line Interface (CLI): enable : Enter privileged EXEC mode. configure terminal : Enter global configuration mode.

Operate at Layer 2 . They connect devices within the same network (LAN) and use MAC addresses to forward data to the correct destination. Ccna Basic Notes

NAT allows private IPs to access the public internet. To configure a Cisco router or switch, you