In a multi-site Best Services Routing (BSR) configuration, what is the purpose of the Status Poll vector?

In a multi-site Best Services Routing (BSR) configuration, what is the purpose of the Status Poll vector?
A . The vector is activated when the given remote server is the best available.
B . The vector contacts the specified remote servers, and collects information from that remote server.
C . The vector compares skills at its location and replies to the origin server with information on the best of these skills and estimated wait times (EWT).
D . The vector queues the call to the resource that is likely to provide the best service.

Answer: C

Explanation:

Reference: http://btbusiness.custhelp.com/euf/assets/TelephoneSystems/Avaya/ CallCentre/07_300303_1.pdf