Why is H-VPLS considered more scalable than flat VPLS?

Refer to the exhibit. The operations team has identified that some of the multi-tiered e-commerce applications have slow performance, due to illegitimate inbound traffic from the Internet. On which network device do you place traffic filtering to improve performance?

Which statement correctly describes Ansible operations and play books?

Drag and drop the optical technology design characteristics on the left to the correct optical technologies on the right. Not all options are used

Refer to the exhibit.

An enterprise is migrating its single-area OSPF network from a Frame Relay WAN service to an MPLS L3VPN service. Frame Relay will remain in only a few sites that require increased resiliency via two different WAN connections.
Which feature could be used in the?
MPLS VPN service provider network to support the design requirement by ensuring that during normal operation, intersite traffic will only use the MPLS VPN service and not the old
Frame Relay service?