This document contains 24 multiple choice questions about network control protocols, data transmission rates, differences between LANs and WANs, Cisco's implementation of HDLC, connectivity problems, output of debug commands, functions of PPP, demarcation points, congestion indicators, time-division multiplexing, types of WAN connections, data communications equipment, encapsulation processes, and functions of LCP and cell switching. It provides information to test knowledge of fundamental networking concepts related to protocols, interfaces, addressing, and virtual circuits.