NEW QUESTION 185
In the ASON network, when a root optical fiber contains part of the multiplex section, the working time slot of the multiplex section constitutes (); the protection time slot of the multiplex section constitutes (), and the time slots unrelated to the multiplex section constitute (). If resources are reserved for the time slot (for static service use), this part of the time slot is divided into ().
Please select the answer that meets the requirements from the options below in order.