Local Area Networks

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"Fundmental concepts of Local Area Network architecture and protocols. Emphasis on basic concepts needed to design, configure, and implement Local Area Networks. Emphasis on the evolution of Ethernet, Fast Ethernet, Gigabit Ethernet, ATM and wireless LANs (WiFi)."

Who should take this class - CIS 67A

Anyone who is interested in the basic concepts of computer networking and in particular with Local Area Networks. This is not a course in the Internet or in internetworking although the basic concepts covered in this course are the basis for understanding complex networking including Wide Area Networks (WANs).


Topics - The class will cover the the following topics:

  • Local Area Networks
  • Wireless LANs (WiFi)
  • LAN Models
  • LAN Applications
  • OSI Model
  • TCP
  • IP
  • IEEE LAN Standards
  • Data Transmission
  • Transmission Media
  • Error Detection
  • LAN Topologies
  • Error COntrol
  • Flow Control
  • Medium Access Methods
  • Logical Link COntrol (LLC)
  • Ethernet
  • Fast Ethernet
  • Gigabit Ethernet
  • LAN Performance
  • Routing and Switching
  • Security
  • Network Management


Prerequisites - It is strongly advised that students have taken CIS 66 or the equivalent or have equivalent experience.


HELP - Who'ya Gonna Call?



Instructor: Howard Pomerantz, Ph.D.

Contact Information:

I am here to help you learn. This is a team effort so please feel free to call or email mail me any time. I am always happy to speak with you and answer any questions.

Email For questions and help please email me:
Course Home Page CIS 67A
Voice: (408) 674-8946


Class Information

Section: CIS 67A

Time: Wednesday evening from 6:00 P.M. - 9:40 P.M. (1800 - 2140)


Units: 4



Required Textbooks



Students should not miss more than one class during the quarter. More than one absence may result in the lowering of the final grade up to one grade level unless the student makes special arrangements with the instructor prior to the absence. Attendance is mandatory. Attendance will be taken.

Students are NOT dropped by the instructor.




Submitting Assignments for Grading

Instructions for submitting your assignments : Assignments



Course Web Site

Course Web Site: CIS 67A Web Site





How to calculate your GPA:

A+ >=97% 4.0
A >=95% 4.0
A- >=90% 3.7
B+ >=87% 3.3
B >=85% 3.0
B- >=80% 2.7
C+ >=75% 2.3
C >=70% 2.0
D+ >=67% 1.3
D >=65% 1.0
D- >=60% 0.7
F <=59% 0.0

Note the absence of a C- grade and the fact that an A+, though available, has the same 4.0 grade point multiplier as the A grade.

* Each course has a specific unit value. For example, most GE classes at De Anza are four units, most math and science classes are five units, while many PE and CAOS classes range from .5 to 3 units. To obtain your GPA, divide the total grade points by the total letter grade units.

Overall GPA = Total Grade Points / Total Letter Grade Units