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CWTS: Certified Wireless Technology Specialist Official Study Guide: (PW0-071), 2nd Edition by Robert J. Bartz

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Appendix A

Answers to Review Questions

Chapter 1: Introduction to Computer Networking

1. C, E. Wireless LAN technology operates at Layers 1 (Physical) and 2 (Data Link) of the OSI model. The Session layer opens, closes, and manages sessions between end-user application processes. The Network layer is responsible for addressing and routing functions of data and the Application layer is the interface to the user.
2. C. The bus topology is also known as a high-speed linear bus and was commonly used with early IEEE 802.3 networks. The ring topology is rarely used with LANs today but is still widely used by Internet service providers (ISPs) for high-speed, resilient backhaul connections over fiber-optic links. In a mesh topology, each device in the ...

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