You are working on a deployment that uses two Cisco APs as wireless bridges. One of the bridges is configured as a root bridge and the second bridge is configured as a nonroot bridge. Client A associates to the root bridge and client B associates to the nonroot bridge.
Which two statements about this scenario is true? (Choose two.)
A . Only one device can connect to the Ethernet port of a noonroot bridge.
B . For two bridges to communicate with each other, one of the bridges must be in root mode and the other bridge must be in nonroot mode.
C . In point-to-multipoint bridging, WGB is not recommended with the root bridge.
D . Two bridges that are in root mode can talk to each other.
E . The default setting of a bridge is nonroot bridge.
Answer: B
Explanation:
For two bridges to communicate with each other, one of the bridges should be in rootmode and the other bridge must be in non-rootmode. The default setting of a bridge isroot. Therefore, two bridges that are in rootmode cannot talk to each other.
Reference: http://www.cisco.com/c/en/us/support/docs/wireless-mobility/wireless-lan-wlan/16041-bridgefaq.html
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