Accessors, mutators, and other instance methods are normally defined with what type of access modifier?

Which of the following are LMI extensions? (Choose all that apply.)

a. Multicasting b. Keepalives c. Local addressing d. Global addressing e. Clock synchronization f. VC status messages g. Broadcasting

Consider the following undirected, weighted graph:

What will be an ideal response? vertices: Chicago, New York, Boston, Washington edges: (Chicago, Boston, 159), (Chicago, New York, 129), (Chicago, Washington, 219), (Boston, New York, 89), (New York, Washington, 59)