- show history.
- mac-address-table.
- False.
- The no cdp run command.
- 10.x.x.x – any address starting with a 10
172.16.x.x to 172.31.x.x – any address starting with 172.16 to 172.31, inclusive
192.168.x.x – any address starting with 192.168.
- The show ip nat translations command.
- 128 bits.
- True.
- Port 20 and port 21.
- Bandwidth, cost, delay, load, reliability, and hop count.