2.1. Understanding TCP/IP2.1.1. Details of the TCP/IP Model2.1.2. How TCP/IP Layers Communicate2.1.3. Understanding Port Numbers2.2. Understanding IP Addressing2.2.1. The Hierarchical IP Addressing Scheme2.2.1.1. IP Address Structure2.2.2. Understanding Network Classes2.2.2.1. Class A Networks2.2.2.2. Class B Networks2.2.2.3. Class C Networks2.3. Subnetting a Network2.3.1. Implementing Subnetting2.3.1.1. How to Determine Your Subnetting Requirements2.3.1.2. How to Implement Subnetting2.3.1.3. How to Use Subnet Masks2.3.1.4. How to Calculate the Number of Subnets2.3.2. An Easier Way to Apply Subnetting2.3.2.1. Subnet Mask Exercise 1: Class C, 10 Hosts per Subnet2.3.2.2. Subnet Mask Exercise 2: Class C, 20 Hosts per Subnet2.3.2.3. Subnet Mask Exercise 3: Class C, 5 Subnets2.3.2.4. Subnet Mask Exercise 4: Class B, 1,500 Hosts per Subnet2.3.2.5. Subnet Mask Exercise 5: Class B, 3,500 Hosts per Subnet2.3.3. Applying Subnetting the Traditional Way2.3.3.1. Subnetting Class C2.3.3.1.1. Determining the Subnet Numbers for a Class C Subnet2.3.3.1.2. Calculating Values for an Eight-Subnet Class C Network2.3.3.2. Subnetting Class B2.3.3.3. Subnetting Class A2.3.4. Working with Classless Inter-Domain Routing2.3.4.1. Quickly Identifying Subnet Characteristics Using CIDR2.3.4.1.1. Identifying Class C Subnet Characteristics2.3.4.1.2. Identifying Class B Subnet Characteristics2.3.4.1.3. Identifying Class A Subnet Characteristics2.3.4.2. Determining Quantities of Subnets and Hosts2.4. Understanding IPv62.4.1. IPv6 History and Need2.4.2. IPv6 New and Improved Concepts2.4.3. IPv6 Addressing Concepts2.4.3.1. IPv6 Address Format2.4.3.1.1. IPv6 Address Shortcuts2.4.3.1.2. IPv6 Address Assignment2.4.3.2. IPv6 Address Types2.4.4. IPv6 Integration/Migration2.4.4.1. IPv6 Dual Stack2.4.4.2. IPv6 Tunneling2.4.4.3. Information Commands Useful with IPv62.5. Configuring IPsec2.5.1. IPsec Fundamentals2.5.1.1. IPsec and Windows Server 20082.5.1.2. Security Policies2.5.2. IPsec Authentication2.6. Summary2.7. Exam Essentials2.8. Review Questions2.9. Answers to Review Questions