ECET 375 ECET375 Homework 1 Solution

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ECET 375 Homework 1 (DEVRY)

Chapter 1: Introduction to Data Communications and Networking

3. Discuss the relationship between network architecture and protocol.

5. Define the following terms: Protocol, Connection-oriented protocols, connectionless protocols, and protocol stacks.

11. Briefly describe the seven layers of the OSI protocol hierarchy.

21. List and briefly describe the five basic data communications network topologies

23. Briefly describe the TCP/IP protocol model

Chapter 3: Metallic Cable Transmission Media

1) In which layer of the OSI protocol hierarchy is the transmission medium found?

2) What are the two general categories of transmission media?

3) Define Transmission line.

4) Describe a transverse electromagnetic wave.

5) Define Wave velocity:

6) Define frequency and wavelength.

Chapter 4: Optical Fiber Transmission Media

1. Determine the wavelengths in nanometers, angstroms, and micrometers for the following frequencies: 3.45 x 10¹⁴ Hz, 3.62 x 10¹⁴ Hz, 3.21 x 10¹⁴ Hz

2. Determine the light frequency for the following wavelengths: 670 nm, 7800 angstroms, and 710 nm.

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