The Senior IT Manager at Z Company, Inc. is interviewing candidates for a position on his team. When he interviews Kaylee for the position, she asks him about Z Company's best practices for backup. He mentions that Z Company doesn't have a specific rule for redundancy, but that his own personal preference is to maintain a redundancy level of N+2. What does Kaylee take this to mean? a. Z Company's backup system can restore any resource failures within 2 hours of the initial failure. b. Z Company has implemented a backup plan that allows for two resource failures while still maintaining operations. c. Z Company's backup plan is overly redundant and is likely causing slow network speeds. d. Z Company does not backup its resources and the IT Manager must manually back up data every 2 days