Which two features are specific only to Tier 3 providers? (Choose two.)

A.
interconnects with Tier Level 1 and Tier Level 2 ISPs in public peering points

B.
only purchases transit from other networks to reach the Internet

C.
purchases transit and pays settlements to other service providers

D.
uses strict route filtering to allow only customer and local routes to be sent to upstream providers

E.
receives a full Internet routing table via BGP from its upstream provider, which it can use for loadbalancing traffic