|  |  | Summary
Now that you have completed this review chapter, you should have a firm understanding of the following topics: Basic Networking Knowledge (18%) Physical Layer (6%) Data Link Layer (5%) Network Layer (5%) Transport Layer (5%) TCP/IP Fundamentals (16%) TCP/IP Suite: Utilities (11%) Remote Connectivity (5%) Security (6%) Implementing Installation of the Network (6%) Maintaining and Supporting the Network (6%) Troubleshooting the Network(11%) Note: The percentages indicate the weight of each topic within the Net + Certification Exam