DATA-COMM-NET.AW1
Data Communication and Networking
Our interactive course makes computer networking simple, smart, and seriously fun because your career deserves a stronger signal.
- 14 Interactive Lessons and 113 topics mapped to the official exam objectives
Intermediate Self-paced · 1 year access
14Interactive Lessons
113Topics
01 / Skills you'll get
What you will be able to do
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No credit card required
Enroll in our Data Communication Course to master the essentials of computer networking. From transmission basics to advanced security, gain hands-on experience.
In this course, dive into the OSI and TCP/IP models, explore digital transmission, multiplexing, and error correction. Then, design reliable networks using routers, bridges, and switches. Learn how Ethernet, MPLS, and congestion control keep data flowing smoothly… and why firewalls and encryption are your network’s best friends.
- Network Fundamentals: Understand core concepts like the OSI & TCP/IP models, transmission modes, and network topologies.
- Data Transmission & Error Handling: Master digital transmission, multiplexing (FDM, TDM), and error detection/correction techniques.
- Network Design & Infrastructure: Learn to configure routers, switches, bridges, and gateways for efficient data routing.
- Protocols & Security: Implement TCP/IP, RPC, congestion control, and secure networks with firewalls, encryption, and intrusion detection.
- Troubleshooting & Optimization: Diagnose network issues, improve Quality of Service (QoS), and optimize performance.
- Real-World Application: Build and manage Ethernet, ISDN, and MPLS networks for modern IT environments.
Course Highlights
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14 Structured Lessons Comprehensive coverage of core course objectives
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1 Year Full Access Self-paced learning accessible anytime on all devices
02 / Lessons & labs
See exactly what you will learn and practice
Lessons
14 Interactive Lessons · 113 topics01 Preface +
02 Basic Concepts 15 topics +
- Introduction
- Introducing data communication
- Distributed processing
- Line configuration
- Topology
- Transmission modes
- Categories of computer network
- Open System Interconnection model layers
- Network layer
- TCP/IP model layers and their functions
- Comparison of models
- Digital transmission
- Transmission media
- Conclusion
- Questions
03 Telephony 8 topics +
- Introduction
- Multiplexing
- Error detection and correction
- Switching
- Data link control protocol
- Synchronous and asynchronous protocols overview
- Conclusion
- Questions
04 Integrated Services Digital Network 9 topics +
- Introduction
- Integrated Services Digital Network
- Services
- Historical outline
- Subscriber’s access
- ISDN layers
- Broadband ISDN
- Conclusion
- Questions
05 Networking Devices 7 topics +
- Introduction
- Repeaters
- Bridges
- Gateways
- Routers
- Conclusion
- Questions
06 Network Layer 8 topics +
- Introduction
- Network layer
- Design issues
- Routing concepts
- Distance vector protocol
- Link state routing
- Conclusion
- Questions
07 Transport Layer and Upper Layers in OSI Model 7 topics +
- Introduction
- Transport layer
- Session layer
- Presentation layer
- Application layer
- Conclusion
- Questions
08 Foundation 11 topics +
- Introduction
- IT system networking techniques
- Typical IT networks
- Encoding
- Links
- Frame error detection and correction
- Reliable transmission
- Ethernet
- History of Ethernet
- Conclusion
- Questions
09 Internetworking 7 topics +
- Introduction
- Internetworking
- Basic internetworking
- Switching
- Bridging
- Conclusion
- Questions
10 Advanced Internetworking 7 topics +
- Introduction
- Advanced internetworking
- The global internet
- Multicast
- Multiprotocol Label Switching
- Routing among mobile devices
- Questions
11 End-to-End Protocols 8 topics +
- Introduction
- End-to-end protocols
- Simple demultiplexer
- Reliable byte stream
- Remote procedure call
- Real-time transport protocol
- Conclusion
- Questions
12 Congestion Control and Resource Allocation 8 topics +
- Introduction
- Congestion control
- Resource allocation
- Queuing disciplines
- TCP congestion control avoidance mechanisms
- Quality of Service
- Conclusion
- Questions
13 Multimedia Networking 8 topics +
- Introduction
- Multimedia networking
- Multimedia networking applications
- Real-time streaming protocol
- Session initiation protocol
- H.323
- Conclusion
- Questions
14 Network Security 10 topics +
- Introduction
- Network security
- Cryptographic building blocks
- Pretty Good Privacy
- Transport Layer Security
- Secure Socket Layer
- Firewall
- Intrusion detection (T1, R1, R2)
- Conclusion
- Questions
03 / FAQs
Questions before you start
What is data communication and networking?+
Data communication refers to the exchange of digital information between devices via wired/wireless channels, while networking involves connecting these devices (like computers, servers, routers) to share resources.
What is DCN used for?+
DCN is the backbone of modern IT systems. It’s used for:
- Internet & cloud services: streaming, emails, browsing
- Business operations: secure file sharing, remote work setups
- IoT & smart devices: connected homes, industrial sensors
- Cybersecurity: protecting data with firewalls, encryption
Who should take this course?+
This data communication and networking course is perfect for:
- Beginners curious about how networks function.
- IT professionals upgrading skills (network admins, security analysts).
- Students prepping for certifications (CCNA, CompTIA Network+).
- Career switchers aiming for roles in networking or cybersecurity.
Keep going
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