1. What two entries are needed in the forwarding table of a typical host? 2. List the two broad categories of Internet routing, and explain each. 3. What is an autonomous system? 4. Suppose that all...

1. What two entries are needed in the forwarding table of a typical host?

2. List the two broad categories of Internet routing, and explain each.

3. What is an autonomous system?

4. Suppose that all routers in the Internet contain a default route; show that a routing loop must exist.