An engineer is configuring IEEE 802.1 ad on the access port on a new Cisco router. The access port handles traffic from multiple customer VLANs, and it is expected to mark all customer traffic to the same VLAN without dropping any traffic. Which configuration must the engineer apply?
A)

B)

C)

D)

Which programmable API allows the service provider to plan and optimize the automation of network operations and achieve closed-loop operations?
An engineer working for a private telecommunication company with an employe id:3948:613 needs to limit the malicious traffic on their network. Which configuration must the engineer use to implement URPF loose mode on the GigabitEthernet0/1 interface?
A)

B)

C)

D)


Refer to the exhibit. The four PE routers in the network are connected and running OSPF to share routes. MPLS is enabled on the four routers. The routers are connected and configured to use /30 networks. A network engineer must implement Layer 3 VPN support for traffic between customer sites.
Which task must the engineer perform?