which of the following lists of APS Action Requests is the priority correctly arranged from lowest to highest?

In which of the following lists of APS Action Requests is the priority correctly arranged from lowest
to highest?

A.
Wait-to-Restore, Manual Switch, Forced Switch, Lockout of Protection

B.
Wait-to-Restore, Forced Switch, Manual Switch, Lockout of Protection.

C.
Manual Switch, Wait-to-Restore, Lockout of Protection, Forced Switch.

D.
Lockout of Protection, Forced Switch, Manual Switch, Wait-to-Restore

E.
Lockout of Protection, Manual Switch, Forced Switch, Wait-to-Restore

F.
Wait-to-Restore, Manual Switch, Lockout of Protection, Forced Switch

Explanation:
1.1. Packet over SONET
Table 1 shows the priority requests from the highest (lockout) to the lowest (manual).
Table 1 APS Priority Request

Priority Priority Request
1 Lockout of protect port
2 Forced switch
3 Signal failure—low priority
4 Signal degradation—low priority
5 Manual switch