Refer to the Exhibit.

Referring to the exhibit and based on the output below from Sw-1 and Sw-2, which statement is true?

A.
There will be only one MSTI 2 root bridge.

B.
There will be only one CST root bridge.

C.
Sw-1 and Sw-2 are in different MSTP regions.

D.
There will be only one CIST root bridge.