Refer to the exhibit. Which command is used to complete this configuration for QoS class-based marking?

You are writing an RPL script to accept routes only from certain autonomous systems Consider this code.

If you apply this code to BGP filters, which effect does the code have on your router?

Refer to the exhibit.

A network operator must configure CSR1 interlaces GigabitEihernet2 and GigabitEthemet to rewrite VLAN tags 12 and 21 for traffic between R1 and R2 respectively. Which configurator accomplishes this task?
A)

B)

C)

Refer to the exhibit. An engineer wants to authenticate the OSPF neighbor between PEA and PE- B using MD5.
Which command on PE-B successfully completes the configuration?

After you analyze your network environment, you decide to implement a full separation model for Internet access and MPLS L3VPN services For which reason do you make this decision?