The first course on the list is an Udemy best-seller that is ideal for folks who have no prior experience of computer networks and wish to learn the fundamentals. This course, which has over 24,000 students enrolled and a rating of 4.5 stars, may help you establish a career in IT. Alton Hardin, an IT expert with a Master's degree in IT Network Management and multiple other IT-related certifications such as the CISSP and ITIL, will be your lecturer for this online session. So you'll be in good hands.

In this 14-hour beginner-level course, you will study topologies, IP addressing and subnetting, wireless networking, network security, network planning and design, switches, routers, OSI, and TCP/IP models, to mention a few. Udemy is currently offering complete lifetime access to this course at an 80 percent discount, including with a certificate of completion! There are 138 downloadable materials as well! Overall, this is one of the greatest online cources to learn about computer networking available!

• Beginner level
• 14 ½ hours long
• Taught by highly-rated IT professional
• Full lifetime access
• Limited-time discount of 80%
• Certificate of completion

Udemy ratings: 4.7/5

Click here: https://www.udemy.com/course/introduction-to-computer-networks/

This LinkedIn learning course is a wonderful introduction for people who wish to spend some time understanding the fundamentals of computer networking before digging further into the subject. While this is a beginner-level course, it has been taken by over 144,000 other students who were also researching computer network possibilities. This online course will be taught by Timothy Pintello, an associate professor at Daytona State College's School of Computer Science. Timothy has worked as an IT analyst/systems administrator for many years and is the author of the book Introduction to Networking with Network+.

This course will expose you to various basic concepts such as mesh, bus, and ring topologies, client-server and peer-to-peer connections, distinctions between the internet, intranet, and extranet, and characteristics of the TCP/IP protocol suite, and much more over the course of 1 34 hours. Students who finish this course will get 3 Continuing Professional Education (CPE) credits as well as a shareable completion certificate! There is also a one-month free trial available.

• Beginner level
• 1 ¾ hour long
• Taught by an expert IT professor
• 3 CPE credits
• Certificate of completion

If you know the fundamentals of computer networking and want to take a systematic dive into advanced subjects, this intermediate-level course on Udacity is for you. It will familiarize you with concepts such as Software-Defined Networking (SDN) and Content Distribution. This online computer networking course will be taught by Udacity educators such as Nick Feamster, Neubauer Professor in the Department of Computer Science at the University of Chicago, and Joshua Valdez, a full-stack software engineer at Gem.

In the three months it will take you to finish this intermediate-level course, you will learn about network design principles, implementation, and objectives; several routing algorithms such as distance vector and link-state; controlling resources and distributing content; dealing with SDNs; and much more. You can take this course on Udacity for free and study at your own speed while learning from industry professionals and taking interactive quizzes!

The class is broken into three sections:

1. It discusses the implementation, design concepts, and objectives of a computer network, as well as the different routing algorithms utilized in CN (such as link-state and distance vector).
2. It discusses resource management and content delivery in networking applications. It addresses traffic shaping and congestion control.
3. It focuses on computer network operations and administration, including SDNs (Software Defined Networks), traffic
   
   

• Intermediate level
• Approximately 3 months to complete
• Taught by experienced Udacity instructors.
• Free enrollment
• Self-paced learning

Click here: https://www.udacity.com/course/computer-networking--ud436

Next on the agenda is a brief and easily digested introduction to computer networks aimed at newcomers who wish to dip their toes into networking. This may also be appropriate if you have basic hardware expertise and wish to investigate the subject of IT in order to advance your career. Edoreal Learning Solutions will lead this online course, which is a visual and social learning firm founded in India that focuses on giving a world-class education to everyone. They also place a great focus on providing simple-to-understand industry trends.

This 1-hour course will introduce you to computer networks and teach you about LANs and WANs, subnets, levels, and models; the OSI model; the TCP/IP protocol; multiplexing; fiber optic connections; and much more. With Skillshare, you can take advantage of a supportive student community as well as a free one-month trial of Skillshare Premium to access hundreds more courses like this one! Overall, this is one of the greatest online courses to learn about computer networking for individuals looking for a quick overview of the subject.

• Beginner level
• 1 hour long
• Produced by education startup from India
• Helpful and active student community
• Free 1-month trial of Skillshare Premium

Click here: https://www.skillshare.com/site/join

If you're searching for an intensive learning experience in computer networking from one of the world's largest organizations, don't miss Google's online course. In addition, you will be joining the 164,000 other students who have already benefited from these classes. In terms of professors, you will be taught by some of Google's greatest professionals with years of expertise in computer networking. This is an outstanding chance for a course that will stand out on a resume or CV.

This 33-hour beginner-to-advanced course will teach you about the five-layer architecture of computer networks, common protocols involved with TCP/IP communications, handy troubleshooting tools, network services like DNS and DHCP, cloud computing, and much more. Coursera is now offering a 7-day free trial of this course to determine whether it is appropriate for you. If you opt to go, you will also receive a validated certificate of completion at the conclusion!

• Beginner-to-advanced level
• 33 hours long
• Taught by instructors from Google
• Financial aid available
• Certificate of completion

Coursera ratings: 4.7/5

Click here: https://www.coursera.org/learn/computer-networking

This beginner-level training will point you in the correct path if you are worried about the security of computer networks in a company. It has been taken by over 69,000 students and will allow you to add the important expertise of security administration to your CV and maybe further your career. Mohammad Adly, who has a Ph.D. in Computer Networks from Menoufiya University and several research articles in prestigious IT journals, will be your instructor for this online computer networking course. Mohammad also has a 4.2-star rating on Udemy, where he is one of 93,000+ students.

This 8-hour course will teach you all you need to know about IT security, including TCP/IP protocol suite, network security essentials, Intrusion Detection and Prevention Systems (IDS/IPS), physical security, incident response, firewalls and honeypots, and much more! Students may take advantage of a limited-time 84 percent discount on this course, as well as a certificate of accomplishment at the conclusion!

• Beginner level
• 8 hours long
• Taught by Computer Networks Ph.D.
• Limited-time 84% discount
• Certificate of completion
• Full lifetime access

Udemy ratings: 4.6/5

Click here: https://www.udemy.com/course/computer-networks-security-from-scratch-to-advnace/

Cisco is a well-known computer networking firm that provides well-recognized certifications. So, if you want to acquire the CCENT (Cisco Certified Entry Networking Technician) certification to make your CV stand out, this LinkedIn Learning course is for you. Todd Lammle, a networking expert with more than 30 years of experience at firms such as Cisco and Toshiba, will teach you in this program. He also has every Cisco certification and is the author of CCNA: Cisco Certified Network Associate Study Guide.

This 5-hour intermediate-level training will familiarize you with networking from the Cisco perspective. To mention a few, this includes subjects such as Ethernet connections, frameworks, simple subnetting, Cisco IOS, Cisco networks and devices, IP routing, layer 2 switching, and IPv6. At the end of this course, you will not only obtain a certificate of completion, but you will also be prepared to take the CCENT test! Overall, one of the greatest online courses to learn about computer networking available, taught by a Cisco-certified expert!

• Intermediate level
• 5 hours long
• Taught by Cisco-certified networking engineer
• Certificate of completion
• Free access for new LinkedIn users

LinkedIn ratings: 4.6/5

Click here: https://www.linkedin.com/learning/cisco-networking-foundations

Next on the list is an introduction to the principles of IT networking on Udemy, which has a 4.3 star rating. This online course is ideal if you want to learn the fundamentals of information technology and begin establishing a career in this in-demand area. This course will be taught by two instructors: Syed Ali, a technology enthusiast with four Amazon Web Services certifications and over 270,000 Udemy students, and Syed Raza, CEO of ClayDesk E-learning with over 20 years of professional experience and over 349,000 Udemy students.

This 3-hour beginner-level course will teach you about network designs, OSI models, subnetting, firewalls and network intrusion, client-server models, LANs and WANs, TCP/IP protocols, diverse hardware, and much more. Students of this course may take use of free web hosting provided by ClayDesk for a full year, as well as a certificate of completion provided by Udemy!

• Beginner level
• 3 hours long
• Taught by top Udemy instructors
• Free one-year web hosting service by ClayDesk
• Certificate of completion
• Full lifetime access

Udemy ratings: 4.5/5

Click here: https://www.udemy.com/course/it-networking-fundamentals

This specialty, offered by the University of Colorado, consists of four rigorous computer communications courses on Coursera. These will transform you from a total novice in computer networks and communications to a career-ready professional who can proudly add this talent to their resume. In this course, you will be taught by Xiaobo Zhou, a Professor of Computer Science at the University of Colorado who directs the Distributed, Sustainable, and Cloud Computing Systems (DISCO) lab and has over 37,000 Coursera students.

You will study online courses for 5 months in this intermediate-level specialty that will teach you everything about computer networks, including architectures, protocol design concepts, TCP/IP programming abilities, asynchronous point-to-point links, more complicated architectures, and much more. Coursera offers flexible deadlines so you may learn at your own speed, apply for financial assistance, and receive a certificate of accomplishment at the end!

• Intermediate level
• Specialization consisting of 4 courses
• Approximately 5 months long with 3 effort hours per week
• Taught by Expert professor of computer networks
• Financial aid available
• Certificate of completion

Coursera ratings: 4.7/5

Click here: https://www.coursera.org/specializations/computer-communications

If you need to set up a basic home or small-office network of PCs and linked devices, this Pluralsight course is for you. It will assist you in understanding networking fundamentals without delving into extraneous, useless issues that will not take you to your desired outcome. Vlad Catrinescu, a senior IT expert hand-vetted by Pluralsight for quality education and factual content, will train you in this online course. He is a Microsoft Certified Trainer and the recipient of Microsoft's Most Valuable Professional (MVP) award.

Vlad will teach you all the fundamental ideas of computer networking that will allow you to construct and establish a network at home or in a small company, covering subjects such as network architecture, hardware, network and internet connections, and much more. Pluralsight offers a free trial in which you may access hundreds of courses on the site and learn from top industry leaders! Overall, one of the greatest online courses to learn about computer networking taught by a Microsoft-certified instructor.

• Beginner level
• 2 ¼ hours long
• Taught by Microsoft Certified Trainer
• Learn to configure a home network
• Free trial by Pluralsight

Pluralsight ratings: 4.5/5

Click here: https://www.pluralsight.com/courses/computer-fundamentals-networking

The final item on the list is a Coursera specialty in computer network security that consists of four intermediate-level courses. If you want to further your career by understanding network security design and implementation, you should absolutely give this a shot. This course will be taught by Dr. Chinghua Edward Chow, Professor of Computer Science at the University of Colorado. Dr. Chow earned a Ph.D. in computer science from the University of Texas at Austin and has published eight courses on Coursera, with over 55,000 students registered.

During the four months it will take you to complete this specialization, you will learn about basic and advanced network security topics such as secure system design and analysis, basic cryptography and Crypto API, hacking and patching web applications, penetration testing, firewall and IDS, and much more. If you are unable to pay the full course fees, Coursera allows you to apply for financial help. At the conclusion, you will also receive a certificate of completion!

• Intermediate level
• Specialization consisting of 4 courses
• Approximately 4 months long with 4 effort hours per week
• Taught by veteran computer science professor
• Financial aid available
• Certificate of completion

Coursera ratings: 3.9/5

Click here: https://www.coursera.org/specializations/computer-network-security