Which of the following are correctly matched?
| 1. Spoofing | To steal or disguise an entity |
| 2. Sniffing | The technique of watching and recording all data packets that move through a network |
| 3. Smurfing | Type of denial of service attack |
1
Only 3
2
Only 2 and 3
3
Only 1 and 2
4
All of the above