B. Threading (the second one)
Explanation:
In today's world Internet is the main thing in our daily life. Without it there would be a lot of troubles and we use Internet for research, watching videos etc
Answer:
Managing networks, Building networks, Designing networks.
Explanation:
Networking is the process of transferring and sharing data between devices in a computer system through a standardized interface by handling data encapsulation and decapsulation, building rules and conditions on the network system, and designing the network based on criteria appropriate for the network system users.