Course Outline

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In an increasingly interconnected world, understanding networking protocols is essential for anyone involved in IT, cybersecurity, or any technology-driven industry. This course offers a thorough introduction to the foundational concepts and protocols that underpin modern networks, providing you with the knowledge and skills necessary to navigate and secure these critical infrastructures. Whether you are new to networking or looking to strengthen your existing knowledge, this course is designed to give you a comprehensive overview of essential networking protocols, ensuring you are well-equipped to handle real-world challenges.

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1. Introduction to Network Basics

We begin by laying the groundwork with an overview of fundamental networking concepts. This module introduces key principles such as network topologies, types of networks (LAN, WAN, MAN, PAN), and the OSI model. You'll gain a solid understanding of how networks are structured and how data flows across different types of networks, setting the stage for more detailed study in the subsequent modules.

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2. TCP/IP Basics

The TCP/IP protocol suite is the backbone of the internet and most local networks. In this module, you'll explore the architecture, functions, and operations of TCP/IP. We’ll cover the intricacies of IP addressing, subnetting, and routing, along with a deep dive into the essential protocols within the suite, such as TCP, UDP, ICMP, and IP. By the end of this module, you will have a strong grasp of how devices communicate over the internet.

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3. SNMP (Simple Network Management Protocol)

SNMP is vital for managing network devices and ensuring their proper operation. This module provides an in-depth look at SNMP's role in network management, including how it collects and organizes information about managed devices on IP networks. You’ll learn about SNMP versions, MIBs (Management Information Bases), and the security concerns related to SNMP, which is crucial for maintaining a secure network environment.

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4. DNS (Domain Name System)

DNS is often referred to as the phonebook of the internet, translating human-friendly domain names into IP addresses. In this module, you'll learn how DNS works, its architecture, and the various types of DNS records. We’ll discuss how DNS queries are processed, the role of DNS servers, and the importance of DNS security in preventing attacks like DNS spoofing and cache poisoning.

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5. ARP (Address Resolution Protocol)

ARP is a critical protocol used to map IP addresses to physical MAC addresses. This module explores how ARP works within a network, its role in facilitating communication between devices, and common ARP-related security vulnerabilities, such as ARP spoofing. By understanding ARP, you'll be better prepared to manage network communications and defend against potential security threats.

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6. SMB (Server Message Block)

SMB is a network file sharing protocol used in Windows-based networks. This module covers the basics of SMB, including how it facilitates file and printer sharing across networks. You'll also learn about the security aspects of SMB, particularly in the context of modern threats such as ransomware, which often exploit SMB vulnerabilities to propagate across networks.

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7. DHCP (Dynamic Host Configuration Protocol)

DHCP is essential for automating the assignment of IP addresses within a network. This module explains how DHCP works, including the DHCP leasing process, the role of DHCP servers, and how DHCP can be configured to optimize network management. We’ll also cover common security issues related to DHCP, such as rogue DHCP servers, and how to mitigate them.

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8. Wi-Fi Networking Protocols

As wireless networking becomes ubiquitous, understanding Wi-Fi protocols is more important than ever. This module delves into the various Wi-Fi standards (802.11a/b/g/n/ac/ax), how Wi-Fi networks are structured, and the security protocols (WPA, WPA2, WPA3) that protect them. You’ll learn how to configure and secure Wi-Fi networks, ensuring robust wireless communication within your organization.

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9. Bluetooth Networking Protocols

Bluetooth is widely used for short-range wireless communication between devices. In this module, we’ll explore Bluetooth protocols and how they enable device pairing and data exchange. You’ll gain insights into Bluetooth security features and vulnerabilities, helping you to secure Bluetooth devices against common attacks such as Bluejacking and Bluesnarfing.

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10. Web Technologies Basics

The web is a central component of modern communication. This module provides an introduction to key web technologies, including HTTP/HTTPS, HTML, CSS, and JavaScript. You’ll learn how web servers and browsers interact, the basics of web development, and the importance of securing web applications to protect against common threats such as XSS and SQL injection.

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11. SCADA Networking Protocols

SCADA (Supervisory Control and Data Acquisition) systems are used to control industrial processes and critical infrastructure. This module covers the networking protocols specific to SCADA systems, such as Modbus, DNP3, and IEC 60870-5-104. You’ll learn about the unique security challenges associated with SCADA networks and how to implement safeguards to protect these essential systems from cyber threats.

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By the end of this course, you will have gained a comprehensive understanding of the most important networking protocols and technologies, empowering you to manage, troubleshoot, and secure networks effectively. This knowledge is indispensable for anyone aspiring to a career in IT, cybersecurity, or network administration.

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Join us and take the first step towards mastering the critical networking skills that will set you apart in the rapidly evolving world of technology.

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