Which item will be attacked by a DoS attack?

Refer to the exhibit. A customer runs EIGRP and has remote routers with EIGRP stub configured. The customer tests the redundancy by shutting down the B link, and surprisingly the 10.0.0.0/24 subnet is no longer accessed by the hub router. Which action resolves this issue?

Select and Place:

Refer to the exhibit. The service provider ACME Internet just added a 100Gbps peering in Paris to use as the default for inbound traffic from Very Big ISP. Which routing policy achieves the desired outcome?

Which of these is a reason to carry routes that originate outside your network in an EGP, such as BGP, rather than in your IGP, such as OSPF, EIGRP, or IS-IS?