Parallel start-up involves running a complete new system for one group of users while the rest of the users still run an old system.

Recovery of a function from knowledge of its rate of change calls for

a. approximation of a first derivative b. approximation of a second derivative c. solution of a differential equation d. approximation of a zero of the function

Incidents can range from user errors and power disruptions to malicious activity.

Answer the following statement true (T) or false (F)