what will happen when the user of IP Phone B presses the Hold softkey?

Refer to the exhibit.

All displayed devices are registered to the same Cisco Unified Communications Manager server
and the phones are engaged in an active call. Assuming the provided configurations exist at the
phone line level and multicast MOH is disabled clusterwide, what will happen when the user of IP
Phone B presses the Hold softkey?

A.
IP Phone A receives audio source 2 from MOH Server A.

B.
IP Phone A receives audio source 3 from MOH Server A.

C.
IP Phone A receives audio source 2 from MOH Server B.

D.
IP Phone A receives audio source 3 from MOH Server B.

E.
IP Phone A receives audio source 1 from MOH Server A.

Explanation:
Held parties determine the media resource group list that a Cisco Unified
Communications Manager uses to allocate a music on hold resource.