Master of Computer Applications (MCA) - 2024-26
SEMESTER – II (Web Technologies Paper Summary)
🌐 Data Communication and Computer Networks – Paper Summary
Paper Code: 2MCACC3 | Type: Core Compulsory (CC)
Credits: 5 | L-T-P: 4-1-0
Total Marks: 100 (End-Term Theory: 70, Continuous Evaluation: 30)
🎯 Course Objectives
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Understand basic concepts of data communication and computer networking.
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Learn about network architectures, protocols, and communication models.
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Study routing algorithms and IP addressing schemes.
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Gain insights into various network devices and layers.
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Understand security mechanisms and wireless networking fundamentals.
🎓 Course Outcomes
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Demonstrate understanding of networking principles, routing, and addressing.
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Compare and contrast types of networks and switching techniques.
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Analyze and troubleshoot OSI and TCP/IP models.
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Understand various protocols (HTTP, FTP, SMTP, etc.) and security features.
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Design and configure basic network infrastructures.
📚 Unit-Wise Syllabus
✅ UNIT I: Network Basics & OSI Model
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Types of Networks: LAN, WAN, MAN, Internet
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Network Topologies, Transmission Media
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Communication Modes: Simplex, Half & Full Duplex
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Analog vs Digital Signals, Baseband vs Broadband
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OSI Model: Layers, Functions, Protocols
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Inter-networking Devices: Hub, Switch, Bridge, Router, Modem, Gateway
✅ UNIT II: Multiplexing, Modulation & MAC
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Multiplexing: FDM, TDM, Statistical Multiplexing
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Modulation: AM, FM, PM
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Switching: Circuit, Packet, Message
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Data Link Layer: Framing, Error Control, HDLC, PPP
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MAC Layer: ALOHA, CSMA, IEEE Standards (802.3, 802.4, 802.5), Fast Ethernet, Token Ring
✅ UNIT III: Routing, IP & TCP/IP
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Routing Algorithms: Shortest Path, Distance Vector, Link State, Multicast
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Congestion Control, Traffic Shaping
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TCP/IP Model: Layers, History, Architecture
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Comparison with OSI Model
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Protocols: TCP, UDP, IP, ARP, RARP, ICMP
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IP Addressing: Classes, IP Packets
✅ UNIT IV: Protocols & Network Security
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Protocols: HTTP, Telnet, FTP, SMTP, MIME, URL
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ISDN Channels and Services
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Firewalls: Types, Features, Packet Filtering, Application-Level
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IDS (Intrusion Detection Systems)
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Limitations of Security Devices
✅ UNIT V: Wireless Networking
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Wireless Networks: Fundamentals, Types (PAN, LAN, MAN)
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Mobile, Ad-hoc, Sensor Networks
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Multipath Propagation, Path Loss, Fading
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Frequency Reuse, Cell Splitting, Cell Sectoring
📖 Reference Books
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Andrew S. Tanenbaum – Computer Networks
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Behrouz Forouzan – Data Communications and Networking
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William Stallings – Data and Computer Communications
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Larry Peterson & Bruce Davie – Computer Networks: A Systems Approach
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Prakash C. Gupta – Data Communication & Computer Networks
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William A. Shay – Understanding Data Communications and Networks
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