Answer:
D. Serenity will assess the damage from network attacks and restore damaged files.
Step-by-step explanation:
As a network security analyst, Serenity will be responsible for identifying, assessing, and resolving security vulnerabilities and threats to the company's network infrastructure. This includes responding to network attacks and restoring damaged files to their original state. She will also be responsible for implementing and managing security measures to protect the network from future attacks.