Introduction to Data Networks and the Internet

What's inside

Syllabus

Module 1: Introduction to Network Concepts

Welcome to Introduction to Data Networks and the Internet! In this course, we will cover the topics of: Introduction to Network Concepts; OSI, TCP, and Network Addressing; Network Installation and Configuration; Network Management; Network Security Concepts; Network Analysis; Network Troubleshooting; Software Defined Networks and the Cloud. In the ever-evolving landscape of technology, computer networks have become the backbone of modern communication and information exchange. Understanding the fundamentals of networking is essential for anyone seeking to navigate the digital world effectively. In this introduction, we will explore their interplay in creating robust, efficient, and reliable networks that underpin our interconnected world.

Module 2: OSI, TCP, and Network Addressing

In the vast realm of computer networking, understanding the fundamental principles and models is paramount for anyone delving into the world of data transmission and communication. In this module, we will embark on a journey to unravel the intricacies of networking through the lens of two crucial models: the OSI (Open Systems Interconnection) model and the TCP (Transmission Control Protocol) model. These models serve as the backbone for comprehending the architecture and functioning of modern computer networks. Additionally, this module is designed to equip you with a foundational understanding of networking models, switching, and routing. These concepts are indispensable for anyone aspiring to navigate the intricate world of computer networks and contribute to the seamless flow of data in our interconnected digital age.

Module 3: Network Installation and Configuration

The establishment and maintenance of robust and efficient networks are fundamental to the success of organizations and businesses. To embark on this journey, it is essential to first understand the foundational aspects of network installation and configuration. This introduction serves as a gateway to explore the objectives outlined in module 3, which encompass the essential elements of network setup and management. Whether you are a seasoned IT professional or a newcomer to the world of networking, this module will serve as a valuable resource to enhance your skills and knowledge in this dynamic field.

Module 4: Network Management

In this module, we will embark on a journey to explore fundamental concepts and practices that are integral to effective network management. It will provide you with an overview of the key concepts and principles that form the foundation of network management, setting the stage for your journey into this dynamic field.

Module 5: Network Security Concepts

Throughout this module, we will equip you with the knowledge and insights necessary to build a solid foundation in network security. By the end, you will be better prepared to navigate the complex world of networked systems security and protect the digital assets entrusted to you.

Module 6: Network Analysis

The importance of effectively monitoring network traffic cannot be overstated. It serves as the foundation for robust cybersecurity practices, network performance optimization, and troubleshooting. By the end of this module, you will have gained valuable insights into the 'what' and 'why' of network traffic monitoring, as well as a practical understanding of how to capture and log network traffic effectively, utilizing a diverse range of tools and formats. These insights will be instrumental in ensuring the security and efficiency of your network infrastructure.

Module 7: Network Troubleshooting

In today's interconnected world, computer networks serve as the backbone of modern communication and information exchange. Whether in the context of a home network or a vast corporate infrastructure, maintaining the functionality and reliability of these networks is of paramount importance. However, as with any complex system, network issues can arise, disrupting connectivity and productivity. To effectively address these challenges, network professionals must possess a fundamental understanding of troubleshooting methodologies, diagnostic tools, and common causes of network-related issues. This module serves as a gateway to explore these essential aspects of network troubleshooting and problem-solving.

Module 8: Software Defined Networks and the Cloud

The realm of networking has witnessed a transformative revolution. As organizations seek more agile, flexible, and scalable networking solutions to meet their ever-growing demands, concepts such as Software-Defined Networking (SDN), the integration of networking in cloud-based solutions, and the emergence of virtual networking devices have come to the forefront. In this module, we will gain a deeper understanding of the dynamic and ever-evolving landscape of networking, offering insights into how these concepts are shaping the future of connectivity and information exchange in our increasingly interconnected world. So, let's explore where the virtual meets the physical, and traditional networking gives way to the innovation and flexibility of the digital age.

Course Summative Assessment

Good to know

Know what's good

, what to watch for

, and possible dealbreakers

Focuses on fundamentals and industry-standard concepts and practices that network engineers and IT professionals commonly use

Provides a comprehensive foundation in networking, building upon that foundation with advanced concepts and real-world scenarios

Taught by experienced instructors in the field who share real-world examples and case studies

Includes hands-on practical application in simulations and labs that offer opportunities for learners to apply knowledge

Provides a strong foundation for learners looking to pursue industry certifications like CompTIA Network+ and Cisco CCNA

May require learners to have some prior experience and knowledge in networking or IT to fully benefit

Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in Introduction to Data Networks and the Internet - Master's with these activities:

Read "Computer Networks: A Systems Approach"

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Reviewing this book will provide a comprehensive foundation in networking concepts, protocols, and technologies.

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Read the first four chapters to establish a base in networking fundamentals.
Focus on chapters 5-8 to grasp the details of data link, network, and transport layers.
Study application layer protocols like HTTP and FTP in chapters 9-11.
Review advanced topics like network management and security from chapters 12 onwards.

Join a Study Group

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Participating in a study group will facilitate peer learning, allowing you to engage with fellow learners, exchange perspectives, and improve your grasp of the subject matter.

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Identify or form a study group with peers in the course.
Establish a regular meeting schedule and dedicated study space.
Review course materials together, discuss concepts, and solve problems.
Take turns presenting topics and leading discussions.
Provide constructive feedback and support to group members.

OSI and TCP Model Practice

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Identify and define protocols needed for LAN and WAN communication by practicing with OSI and TCP models.

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Review OSI and TCP models
Identify the layers of each model
Practice mapping protocols to their corresponding layers

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DNS and Routing Practice

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Discuss the requirements for communication between local area networks and internet by practicing with DNS and routing tools.

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Configure a DNS server and a routing table
Test the DNS and routing configuration
Troubleshoot DNS and routing issues

Practice Basic Data Communication

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Go through data communication practice drills to solidifying your base-level understanding of concepts such as data rates, protocols, and modulation.

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Set up a lab environment with necessary tools and equipment.
Configure network devices such as routers and switches.
Implement different data communication protocols like TCP/IP.
Test and analyze data transmission and reception.
Troubleshoot and resolve common network issues.

Follow Tutorials on Network Protocols

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Supplement the course content by following guided tutorials on specific network protocols, strengthening your understanding.

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Identify tutorials on reliable protocols like TCP.
Follow tutorials to implement UDP in your own projects.
Go through tutorials on routing protocols like OSPF and BGP.
Review tutorials on network security protocols like SSL and SSH.
Explore tutorials on emerging network technologies like 5G and IoT.

Network Analysis Practice

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Learn the basics of analyzing, inspecting, and monitoring network traffic by practicing with network analysis tools.

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Use a network analyzer to capture network traffic
Analyze the captured traffic to identify patterns and trends
Identify and analyze network performance issues

Create Network Diagrams

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Creating network diagrams will help you visualize and understand the structure and connectivity of networks.

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Use network diagramming software or online tools.
Identify the network devices and their interconnections.
Represent devices, their types, and their configuration.
Document network topology, IP addresses, and other relevant details.
Share your diagrams for review and feedback.

Network Troubleshooting Tutorial

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Gain a fundamental understanding of troubleshooting methodologies, diagnostic tools, and common causes of network-related issues.

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Find online tutorials on network troubleshooting
Follow the steps in the tutorials
Troubleshoot network issues using the methods described in the tutorials

Design and Configure a LAN

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Creating and configuring a local area network will offer hands-on experience in implementing the concepts learned during the course.

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Determine the network requirements and design the LAN architecture.
Select and configure appropriate network devices (routers, switches).
Establish connectivity between devices and configure IP addresses.
Implement network security measures (firewalls, access control).
Test and troubleshoot the network to ensure proper functionality.

Network Security Concepts Tutorial

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Become aware of threats to networks and networked devices by following guided tutorials on network security concepts.

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Find online tutorials on network security
Follow the steps in the tutorials
Implement the security measures described in the tutorials

Build a Network Simulation

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Building a network simulation will provide a practical environment to test and experiment with different network configurations and scenarios.

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Select a network simulation software or platform.
Design and implement a network topology in the simulator.
Configure network devices and protocols within the simulation.
Run simulations and analyze the results for data transfer, latency, and errors.
Adjust network parameters to optimize performance and troubleshoot issues.

Security Incident Response Practice

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Utilize tools for doing basic network reconnaissance by practicing security incident response techniques.

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Create a security incident response plan
Conduct a security incident investigation
Respond to a security incident

Career center

Learners who complete Introduction to Data Networks and the Internet - Master's will develop knowledge and skills that may be useful to these careers:

Network Administrator

The course introduces communication fundamentals such as the TCP and OSI models. It provides an understanding of the distributed nature of the Internet and requirements for communication between local area networks. This fundamental knowledge is crucial for Network Administrators who are responsible for designing, implementing, and maintaining computer networks within an organization.

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Network Analyst

The course includes modules on network installation, configuration, management, analysis, and troubleshooting, providing Network Analysts with practical skills. These skills are essential for monitoring, maintaining, and improving the performance of computer networks.

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Network Engineer

The course covers current and evolving data network technologies, protocols, network components, and the networks that use them. Network Engineers need a comprehensive understanding of these topics to design, implement, and manage complex network systems for various organizations.

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Network Security Analyst

The course covers network security concepts and provides an overview of threats to networks and networked devices. Network Security Analysts require this knowledge to protect networks from unauthorized access, cyber attacks, and data breaches.

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Cloud Architect

The course introduces Software Defined Networks (SDN) and cloud-based solutions. Cloud Architects leverage this knowledge to design and manage cloud-based network infrastructures, ensuring scalability, flexibility, and high availability of applications and services.

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Network Operations Specialist

The course provides foundational principles of network management, including network monitoring, troubleshooting, and performance optimization. Network Operations Specialists need these skills to ensure the smooth functioning and reliable operation of computer networks.

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Security Architect

The course offers an overview of threats to networks and networked devices, which is crucial for Security Architects. They design and implement security measures to protect networks and data from cyber threats, safeguarding the organization's critical assets.

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System Analyst

The course covers the fundamentals of network communication models and protocols, which System Analysts use to design and implement integrated information systems. This knowledge helps them analyze and improve the efficiency and effectiveness of business processes that rely on network infrastructure.

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Software Engineer

The course provides an introduction to network concepts, protocols, and addressing, offering foundational knowledge for Software Engineers who develop software applications that interact with networks. Understanding these concepts enables them to create software that efficiently utilizes network resources and communicates effectively with other devices on the network.

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Cybersecurity Analyst

The course provides an overview of threats to networks and networked devices, which Cybersecurity Analysts need to understand to protect organizations from unauthorized access, cyber attacks, and data breaches.

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IT Project Manager

The course offers insights into network analysis, troubleshooting, and performance optimization, which are valuable for IT Project Managers. They oversee network-related projects and ensure their successful implementation and operation.

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Information Technology Specialist

The course offers an overview of network installation, configuration, and management, providing Information Technology Specialists with the foundational knowledge and skills to provide technical support and maintenance for computer networks within an organization.

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Data Analyst

The course covers the basics of network troubleshooting and performance monitoring, assisting Data Analysts in understanding how network issues can impact data collection and analysis. By recognizing the potential impact of network performance on data quality, they can ensure the accuracy and reliability of their analysis.

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Network Planner

The course covers the distributed nature of the Internet, requirements for communication between local area networks, and network security concepts, providing Network Planners with the knowledge to design and implement reliable and secure network infrastructures that meet the evolving needs of organizations.

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Service Desk Technician

The course provides an introduction to network concepts and protocols, allowing Service Desk Technicians to better understand and troubleshoot network-related issues faced by users. With this knowledge, they can efficiently resolve technical problems, improve user satisfaction, and minimize network downtime.

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