Kendra Has a Very Limited Budget, but Has Three Critical

Kendra has a very limited budget, but has three critical servers that she needs to secure against data breaches within her company's infrastructure. She knows that she won't be able to protect the entire network, but she has started searching for a solution to secure the most critical assets. Which of the following options would she most likely choose?

A) UTM appliance
B) NIPS
C) Proxy server
D) HIPS