Which site is best for learning L2 & L3 protocol testing?

there are several online platforms that offer courses and resources for learning L2 (Layer 2) and L3 (Layer 3) protocol testing. However, the availability of specific courses and platforms can change over time. Here are some reputable online platforms that are known for providing quality training in networking and protocol testing:

1. Udemy:

   • Udemy is a popular online learning platform that offers a variety of courses on networking and protocol testing. Search for courses specifically focused on L2 and L3 protocol testing, and read reviews to ensure the course meets your needs.

2. Coursera:

   • Coursera collaborates with universities and organizations to offer online courses. You can find courses related to networking protocols and testing, including those covering L2 and L3 layers.

3. LinkedIn Learning:

   • LinkedIn Learning (formerly Lynda.com) offers video courses on a wide range of topics, including networking and protocol testing. Look for courses that specifically address L2 and L3 protocol testing.

4. Pluralsight:

   • Pluralsight is a technology-focused platform with courses on networking, security, and testing. It may have courses on L2 and L3 protocol testing.

5. CBT Nuggets:

   • CBT Nuggets is known for its IT training courses. Check if they offer courses on protocol testing, especially focusing on Layer 2 and Layer 3.

6. Networking Academy by Cisco:

   • Cisco Networking Academy provides online courses on networking, including protocols and testing. They cover a range of topics related to networking technologies.

7. edX:

   • edX is an online learning platform that offers courses from universities and institutions around the world. Look for courses related to networking protocols and testing.

8. Networking Courses on Academic Platforms:

   • Check if universities or academic institutions offer online courses or resources related to networking and protocol testing. Some universities provide free online materials.

Before enrolling in a course, consider the following:

• Course Content: Ensure that the course covers the specific L2 and L3 protocol testing topics you are interested in.

• Instructor Credentials: Check the credentials and experience of the instructor to ensure they are knowledgeable in the field.

• Reviews: Read reviews from other learners to gauge the quality and effectiveness of the course.

• Hands-On Labs: Look for courses that include practical, hands-on labs or exercises to reinforce your learning through real-world application.

Keep in mind that the availability of courses may change, and new platforms may emerge. It's a good idea to explore multiple platforms, read reviews, and choose a course that aligns with your learning goals and preferences. Additionally, checking for the latest courses and resources on these platforms will help you find the most up-to-date content.