On a Juniper Router， where is the JUNOS software located？（）

A.The PFE floods the packet out of all interfaces.
B.The PFE drops the packet and sends a destination unreachable notification back to source device.
C.The PFE forwards the packet to the routing engine for further processing.
D.The PFE queues the packet and sends a request for a layer 3 lookup to the routing engine.

A.priviledged mode
B.configuration mode
C.monitoring mode
D.operational mode

A.192.168.184.201
B.192.168.172.241
C.192.170.172.237
D.192.170.184.221