Refer to the exhibit.

You have six IP phones configured to use MRGL_CFB. Each phone is making a conference call. Which conference resource does the sixth conference use?

A.
HW_CFB_1

B.
HW_CFB_2

C.
SW_CFB_1
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Cisco 642-447 Exam

D.
SW_CFB_2

E.
SW_CFB_3

Explanation: