Course Outline - the Department of Computer Science

CS 335 Computer Networks
Winter 2009
Course Objectives: This class is a study of major topics in Data Communications and
Networks. The main focus of the class will be on fundamentals of digital transmission,
communication protocols, network architectures and transmission integrity and
security.
Instructor: Dr. Wojciech Ziarko (ph. 585 5213)
Office: CW308.9
Office hours: By appointment
Email: ziarko@cs.uregina.ca
Class times: Tuesdays, 7:00 pm - 9:45 pm
Class location: Classroom Building 232
Final Exam: April 21, 2009, 7:00 pm – 10:00 pm
Textbook: Understanding Communications and Networks by William A. Shay, Third
Edition, 2004, PWS Publishing Company.
In addition to textbook, other materials will be used. Some class-related materials,
such as assignments, will be made available on the course website
http://www.cs.uregina.ca/~ziarko/cs335/materials.htm
Grading system:
Assignments (3) 30%
Midterm Exam 20%
Final Exam 50%
Instructor’s Discretion +/- 5%
Late assignments will not be accepted. In addition, the mark of at least 40% has to
be attained on the final exam to pass the class.
Missing Exams: If one cannot write midterm exam with approved reasons, the grade will be
attached to final. Missing the final exam will result in class failure unless approval is given
by the Science office to grant Incomplete grade.
Attendance: Students are expected to attend all scheduled lectures. If you cannot
attend a lecture, it is your responsibility to catch up with the contents. Statistics show
that students attending lectures regularly get higher grades on exams.

Introduction to Communications:
CS 335 COURSE OUTLINE
• History
• Types of Communications
• Computer Networks Topologies
• Communications Protocols
• Structure of Computer Communications Network
• Future of Communications
Transmissions Fundamentals
• Analog v.s. Digital Signals
• Transmission Media
• Communications Services
• Information Coding
• Signal Sampling
• Modulation and Demodulation
• Analog to Digital Conversion
• Modems
Data Communications
• Transmissions Modes
• Interface Standards
• Multiplexing
• Contention Protocols
• Collisions
• Token Ring Networks
• Data Compression
Data Security
• Transmissions Error Detection Techniques
• Data Encryption and Decryption
• Public Key Encryption
• Viruses
Wide Area Networks (WAN’s)
• Network Routing
• Internet Protocol TCP/IP
Applications
• Client-Server Computing
• Virtual Terminal
• Telnet
• FTP
• Electronic Mail
• World Wide Web