Standard |
CIS 258 – INTRODUCTION TO DATA
COMMUNICATIONS
Provides an introduction to data communications and networks. Topics include: data formats, data transmission techniques, protocol and networks, codes and terminals, modem control, basic network concepts, and models and standards.
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Competency Areas |
Hours
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Data Formats |
Class |
3 |
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Data Transmission Techniques |
D. Lab |
2 |
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Protocol and Networks |
P. Lab/O.B.I. |
0 |
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Codes and Terminals |
Credit |
4 |
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Modem Control |
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Basic Network Concepts |
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Models and Standards |
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Prerequisite: |
SCT 100 |
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Corequisite: |
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Course Guide |
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Competency |
After completing this
section, the student will: |
Hours |
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Class |
D. Lab |
P. Lab/ O.B.I. |
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DATA FORMATS |
2 |
1 |
0 |
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General Data Types |
Discuss the early forms of data code including Morse Code and which data code is the forerunner to modern data transmission |
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ASCII |
ASCII & Extended ASCII |
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EBCDIC |
Mainframe |
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DATA TRANSMISSION TECHNIQUES |
3 |
1 |
0 |
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Modulation |
Discuss the three major modulation: Amplitude, Frequency, and Phase Modulation |
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Transmission Directions |
Discuss Simplex, Half-Duplex and Full-Duplex |
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Transmission Modes |
Discuss the difference between Serial and Parallel transmissions |
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Synchronization |
Discuss the difference between Asynchronous and Synchronous transmissions |
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Error Types |
Discuss the source of errors, methods for error detection and correction |
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PROTOCOL AND NETWORKS |
5 |
2 |
0 |
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Protocols |
Discuss the major protocols used in networks today: Mainframe vs. PC’s and their uses |
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PC Protocols |
TCP/IP and its suite, NetBEUI, NetBIOS, NWLink, DLC, IPX/SPX, Appletalk, X-ON/X-OFF, Xmodem, and Kermit |
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Mainframe Protocols |
Byte-count oriented, Character-Oriented, X.400, X.500 |
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Protocols 2 |
Ethernet, Token Ring, AppleTalk |
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CODES AND TERMINALS |
4 |
3 |
0 |
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Mainframe |
Discuss the characteristics of mainframe systems and the use of Dumb Terminals |
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Minicomputers & PC’s and Thin Clients |
Discuss the difference between them as well as the use of general purpose terminals and intelligent terminals and the newest form of Thin Clients and their use |
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Multiplexing |
Frequency Division, Time Division, Wavelength Division |
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Communication Equipment |
Concentrators, Front-End-Processors, Protocol Converters, Port concentrators, Network Security and Diagnostic Equipment |
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MODEM CONTROL |
4 |
3 |
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Modem Types |
Discuss internal and external modems, null modems. Cable modems, DSL modems, ISDN Modems |
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Modem Interface |
Discuss the role and importance of DTE and DCE |
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Connection Interface |
Discuss the RS-232, EIA RS-449, & EIA-232E interface, pin numbering scheme and purpose of each pin |
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Hayes Interface Standards |
Discuss the purpose and use of the Hayes Standard |
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BASIC NETWORK CONCEPTS AND MEDIA TYPES |
6 |
5 |
0 |
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Topologies |
Discuss star, bus, ring, mesh, and hybrid topologies and the media and transmission rates for each: Include discussion of LAN, WAN, and MAN |
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Conducted Media |
Discuss the various types of physical media used in networks: Twisted Pair; UTP & STP Coaxial cable, Fiber-Optic Cable |
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Non-conducted Media |
Broadcast Radio, Cellular Radio, Spread Spectrum Radio and Infrared: Satellite: Terrestrial vs. Satellite |
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Network Techniques |
Discuss switched networks, broadcast networks, routing and routing protocols |
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MODELS AND STANDARDS |
6 |
5 |
0 |
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OSI Model |
Discuss the OSI Layers and the purpose of each layer as it is related to networking devices |
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Internet Model |
Discuss the purpose and use of the 4 layer model used in TCP/IP |
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SNA, SAA, & DNA |
Discuss the purpose and use of the Systems Network Architecture, Systems Application Architecture, & Digital Network Architecture |
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Purpose of Standards Organization |
Discuss the purpose of standards organizations, compare voluntary vs. non-voluntary standards; non-profit vs. profit organizations, intrastate vs. interstate; International vs. national. |
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Standards Organization |
IEEE, FCC, ISO, ANSI, EIA, INTELSAT |
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Suggested Resources |
Books: