- A. They establish routes that will never go down.
- B. They keep routing tables small.
- C. They require a great deal of CPU power.
- D. They allow connectivity to remote networks that are not in the routing table.
- E. They direct traffic from the internet into corporate networks.
Answer: Option B. D.
Cisco administration 101: What you need to know about default routes http://www.techrepublic.com/article/cisco-administration-101-what-you-need-to-know-about- default-routes/