Which two statements are true about OSPFv3? (Choose two.)
OSPFv3 uses a 32-bit router ID to uniquely identify a node in the network.
OSPFv3 uses a 128-bit router ID to uniquely identify a node in the network.
OSPFv3 routes are always preferred over OSPFv2 routes for all traffic.
OSPFv3 and OSPFv2 can be configured at the same time.
Correct answer: AD
Question 2
On your MX Series router, traffic using the critical scheduler is out of profile. All other data is currently in profile. Referring to the exhibit, which statement is correct?
The critical queue is serviced before the less-critical queue.
The critical queue is serviced after the left-over queue.
The critical queue is serviced before the data queue.
The critical queue is serviced before the voice queue.
Correct answer: B
Question 3
All networks shown in the exhibit contain more than one BGP speaking router. You operate ISP A. You must ensure that customer Y sends their traffic to you over the directly connected link but customer Y is not used for transit into your network. What do you do to accomplish this?
Advertise routes to customer Y with the well-known no-transit community.
Advertise routes to customer X with the well-known no-advertise community.
Advertise routes to customer Y with the well-known no-export community.
Advertise routes to customer X with the well-known as-transit community.