1. Figure 3-8 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 Network Layer Example

2. Figure 3-9 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 Transport Layer

3. Figure 3-10 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 Transport Layer Example

4. Figure 3-11 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 Session Layer

5. Figure 3-12 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 Presentation Layer

6. Figure 3-13 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 Application Layer

7. Figure 3-14 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 Summary of Layer Functions