Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)
98-Comp-B5, Computer Communications — National Exams, December 2016. Closed-book, 3 hours; seven questions of equal value (20% each); ANY FIVE constitute a complete exam (all seven answered below as a complete study resource).
Reference texts: Stallings, Data and Computer Communications, 10th ed. — sampling and aliasing (Ch.5, Q1), Shannon–Hartley channel capacity (Ch.3, Q2), LAN/network topologies (Ch.16, Q3), decibels and signal-to-noise ratio (Ch.3, Q4), IP addressing and subnetting (Ch.18, Q6), and physical/link/network-layer terminology (Ch.3, 9, 11, 17, Q7); Kurose & Ross, Computer Networking: A Top-Down Approach, 8th ed. — error detection via CRC (Ch.5, Q5), IP addressing (Ch.4, Q6), and TCP/IP terminology (Ch.1, Q7).
