If the configuration is correct, which roles will the output show?

Refer to the exhibit.

Spanning tree runs on the switches shown in the exhibit.

The network administrator enters these two commands:

Switch-1(config)# spanning-tree priority 0

Switch-2(config)# spanning-tree priority 1

The other switches use the default spanning tree priorities. The administrator enters the show spanning-treecommand on Switch-2.

If the configuration is correct, which roles will the output show?
A . A1 = Designated A2 = Alternate A3 = Alternate
B . A1 = Root A2 = Designated A3 = Designated
C . A1 = Designated A2 = Designated A3 = Designated
D . A1 = Root A2 = Alternate A3 = Alternate

Answer: B

Explanation:

Reference: http://www.arubanetworks.com/techdocs/ArubaOS_61/ArubaOS_61_CLI/spanning-tree (Global).htm