Answer:
1. Packet switching
2. Circuit switching
Step-by-step explanation:
Packet switching: data is divided in to small chunks called as packet and the packets are send over the network. It is used for sending huge amount of data. Different packet can take different path in the network.
Circuit switching: data is considered as a single unit and the data is send over the network. It is used for sending small amount of data. Same path is used for sending the entire data.