Question

what is the function of network security?
it protects networks from intruders.
it secures networks from users.
it protects users from networks.
it protects information from users.

Explanation:

Network security aims to safeguard networks from unauthorized access by intruders. It doesn't protect networks from legitimate users, nor users from networks in a negative - sense, nor information from legitimate users. The main focus is on keeping out malicious entities from networks.

Answer:

It protects networks from intruders.