Wendell odom

Part III Review 260
Part IV 
IPv4 Addressing 263
Chapter 11 Perspectives on IPv4 Subnetting 264
“Do I Know This Already?” Quiz 264
Foundation Topics 266
Introduction to Subnetting 266
Subnetting Defined Through a Simple Example 267
Operational View Versus Design View of Subnetting 267
Analyze Subnetting and Addressing Needs 268
Rules About Which Hosts Are in Which Subnet 268
Determining the Number of Subnets 270
Determining the Number of Hosts per Subnet 271
One Size Subnet Fits All—Or Not 272
Defining the Size of a Subnet 272
One Size Subnet Fits All 273
Multiple Subnet Sizes (Variable-Length Subnet Masks) 274
One Mask for All Subnets, or More Than One 274
Make Design Choices 275
Choose a Classful Network 275
Public IP Networks 276
Growth Exhausts the Public IP Address Space 276
Private IP Networks 278
Choosing an IP Network During the Design Phase 278
Choose the Mask 279
Classful IP Networks Before Subnetting 279
Borrowing Host Bits to Create Subnet Bits 280
Choosing Enough Subnet and Host Bits 281
Example Design: 172.16.0.0, 200 Subnets, 200 Hosts 282
Masks and Mask Formats 282
Build a List of All Subnets 283
Plan the Implementation 284
Assigning Subnets to Different Locations 285
Choose Static and Dynamic Ranges per Subnet 286
Chapter Review 287
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Chapter 12 Analyzing Classful IPv4 Networks 288
“Do I Know This Already?” Quiz 288
Foundation Topics 289
Classful Network Concepts 289
IPv4 Network Classes and Related Facts 290
The Number and Size of the Class A, B, and C Networks 291
Address Formats 291
Default Masks 292
Number of Hosts per Network 293
Deriving the Network ID and Related Numbers 293
Unusual Network IDs and Network Broadcast Addresses 295
Practice with Classful Networks 296
Practice Deriving Key Facts Based on an IP Address 296
Practice Remembering the Details of Address Classes 297
Chapter Review 298