What are the two most common implementations of a graph?

Which of the following is NOT identified in the textbook as a stage in the writing process?

A) Revising B) Planning C) Writing D) Collaborating

When does a routing loop occur?

a. When the cost of a route is too low b. When the cost of a route is too high c. When a router forwards packets back to the router that sent them d. When static routing is used