Answer: Network systems and data communications analyst
Explanation:
Network systems and data communications analyst is the perform who is responsible for performing maintaining the flow of day-to day information and data transmission on the network.
They monitor any illegal activity trying to take place in the network security.They also make sure that official users are able to access the document and other information at the same time .They provide time to time improving and modification ideas
According to the question, Mary want to become network systems and data communications analyst as she is interested in management network process and improving it
