Which service is a VNF role?

Which configuration modifies Local Packet Transport Services hardware policies?
A)

B)

C)

D)

Refer to the exhibit:

R1 and R2 are directly connected with Fast Ethernet interfaces and have the above configuration applied OSPF adjacency is not formed. When the debug ip ospf hello command is issued on R1. these log messages are seen.

Which command can be configured on routers R1 and R2 on fO/O interfaces to form OSPF adjacency?

Refer to the exhibit. A network engineer is implementing QoS services. What are the two effects to qos-group keywork on cisco ISO XR? (Choose two.)

Refer to the exhibit.

An engineer needs to implement this QoS policy on customer's network due to ongoing slow network issues. What will be the effect on the network when the engineer implements this configuration?