What statement is true about the statistical reserve?

A.
It is used only by high-priority traffic, control-card traffic, network IP traffic and network management traffic.

B.
Frame Relay connections cannot burst into the space allocated for the statistical reserve.

C.
It applies only to the load model in that connections cannot be added in which the minimum allocation would take up any of that configured space.

D.
Its size changes depending upon the amount of load on the trunk.

Explanation:
By using cnftrk, you can reserve a potion of bandwidth on a trunk. Statistical reserve is available for only high priority packets (PCC traffic, for example). The node cannot route connections using this bandwidth. The reserved bandwidth is the sum of the statistical reserve and the SVC bandwidth. The following loading, in packets per second, is calculated for each trunk in each direction: