Answer:
A. gerund
Explanation:
The phrase in the question is a gerund phrase.
Gerund phrases are marked by verbs with the "ing" ending, and in general terms, they represent an action in course.
The pharse in the question starts with "By singing the song...", thus, it is a gerund phrase.
Answer;
Subnetting;
The process of taking a large network and splitting it up into many individual and smaller subnetworks is known as subnetting.
Explanation;
The process is built in to a system of IP addressing, by assigning a series of computers similar IP addresses and assigning the network to appropriate network mask. Therefore, computers on that network can communicate among each other with ease.
