摘要:Data Communication is a subject that exposes the students to the overall understanding and knowledge of basic data communication systems. Data Communication is offered to second year students of the Faculty of Information Science and Technology (FTSM), Universiti Kebangsaan Malaysia (UKM). Some of the concepts are difficult to explain using whiteboard but will be easy and interesting if it can be explained using graphics animation and simulation application. Therefore, a teaching and learning tool for this course is needed to help the instructor explain to the student on some of these concepts. This paper describes the used of Wiki as a teaching and learning tool for Data Communication subject.