ECET 375– Introduction to Networking Homework Assignment #1


ECET 375– Introduction to Networking
Homework Assignment #1

Name: ____________________

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.


1.      Determine the wavelengths for the electromagnetic waves in free space with the following frequencies: 1 kHz, 100 kHz, 1 MHz, and 1 GHz


2.      Determine the characteristic for a two-wire parallel transmission line with an air dielectric and D/r ratio of 8.8.


3.      Determine the characteristic impedance for an air-filled coaxial cable transmission line with a D/d ratio of 4.

4.      Determine the characteristic impedance for a coaxial cable with inductance L = 0.2 µH/ft and capacitance C=16 pF/ft.

5.      For a given length of coaxial cable with distributed capacitance C =48.3 pF/m and distributed inductance L = 241.56 nH/m, determine the velocity of propagation.





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.


ECET 375 Devry




ECET 375 Homework 1


ECET 375 Homework 2



ECET 375 Homework 3


ECET 375 Homework 4


ECET 375 Homework 5


ECET 375 Homework 6


ECET 375 Homework 7


ECET 375 Homework 7_b






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