It is possible to restrict the time of day, or day of week that a change process can occur.
It is possible to restrict the time of day, or day of week that a change process can occur.
It is possible to restrict the time of day or day of the week that a change process can occur. Many change management systems and procedures include functionalities or policies to schedule changes only during specific times and days to minimize disruption to normal business operations and availability.
A is correct answer.