Note: Midterm test on 12 Dec at 12pm in MXMS 3003, cover TCP/IP layers related, subnetting, routing, and switching. TRS2251 Chapter 1# TRS2251 Chapter 2# TRS2251 Chapter 3# TRS2251 Chapter 4# TRS2251 Chapter 5# TRS2251 Chapter 6# TRS2251 Chapter 7# TRS2251 Chapter 8# TRS2251 Chapter 9#