?After one identifies a system's objects, classes, and relationships, one should develop a(n) object relationship diagram that provides an overview of the system. 

The solution to the Dining Philosophers problem must ________.

a) prevent deadlock b) prevent starvation c) ensure mutual exclusion d) all of the above

Which layer of the TCP/IP model performs IP addressing functions?

A. Layer 1 B. Layer 2 C. Layer 3 D. Layer 4