Marge needs to collect network device configuration information and network statistics from devices on the network. She wants to protect the confidentiality of credentials used to connect to these devices. Which of the following protocols would BEST meet this need?

a. SSH

b. FTPS

c. SNMPv3

d. TLS

Option C i. e., SNMPv3.

Explanation:

She requires to gather data about setup for connected devices and network data through equipments on the server. She wanted to maintain the privacy of passwords that are required to communicate with such devices. So, they need could be met by the SNMPv3 protocols.

It is a reliable protocol, capable of tracking and collecting data through connected devices. This provides robust processes for authenticating credentials that preserve their confidentiality. That's why no other mentioned protocols can be used to track devices in the network.