Refer to the exhibit.

An engineer is configuring a Layer 3 port-channel interface with LACP. The configuration on the first device is complete, and it is verified that both interfaces have registered the neighbor device in the CDP table. Which task on the neighbor device enables the new port channel to come up without negotiating the channel?
Drag and drop the AAA features from the left onto the corresponding AAA security services on the right. Not all options are used.

What is the role of nonoverlapping channels in a wireless environment?
Refer to the exhibit.

A network engineer started to configure two directly-connected routers as shown. Which command sequence must the engineer configure on R2 so that the two routers become OSPF neighbors?
A)

B)

C)

D)
