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A Simplilearn Certificate Goes on LinkedIn Each Minute; Here’s How Krishna Kumar Built It From a Blog

17 years ago, Krishna Kumar started offering free PMP prep online. Today, it’s a leading digital upskilling platform that helps millions upskill in AI, cybersecurity, data science, and more.

Class Central Team Jun 22, 2026

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Illustrator 2025 Essential Training
453 ratings at LinkedIn Learning

Learn the core concepts and techniques that you need to use Adobe Illustrator effectively.
- LinkedIn Learning
- 48 minutes
- Self-Paced
- Free Trial Available
Learning Lucidchart
453 ratings at LinkedIn Learning

Learn to use Lucidchart, the popular diagramming tool, to break down and visualize complex topics, ideas, and processes.
- LinkedIn Learning
- 1 hour 13 minutes
- Self-Paced
- Free Trial Available
Programming Foundations: Discrete Mathematics
453 ratings at LinkedIn Learning

Learn how to use discrete mathematics to become a better programmer. Explore the role of math in programming, how to use discrete math to analyze data test logic, and more.
- LinkedIn Learning
- 3 hours 10 minutes
- Self-Paced
- Free Trial Available
Business Ethics for Sales Professionals
453 ratings at LinkedIn Learning

Explore examples of tricky situations that salespeople often encounter, and learn how to behave ethically while dealing with the pressure to deliver results.
- LinkedIn Learning
- 1 hour
- Self-Paced
- Free Trial Available
Illustrator 2025 Essential Training
453 ratings at LinkedIn Learning

Learn the core concepts and techniques that you need to use Adobe Illustrator effectively.
- LinkedIn Learning
- 1 hour 31 minutes
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- Free Trial Available
Illustrator 2025 Essential Training
453 ratings at LinkedIn Learning

Learn the core concepts and techniques that you need to use Adobe Illustrator effectively.
- LinkedIn Learning
- 4 hours 8 minutes
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- Free Trial Available
Illustrator 2025 Essential Training
453 ratings at LinkedIn Learning

Learn the core concepts and techniques that you need to use Adobe Illustrator effectively.
- LinkedIn Learning
- 52 minutes
- Self-Paced
- Free Trial Available
Illustrator 2025 Essential Training
453 ratings at LinkedIn Learning

Learn the core concepts and techniques that you need to use Adobe Illustrator effectively.
- LinkedIn Learning
- 3 hours 16 minutes
- Self-Paced
- Free Trial Available
Business Analysis for Busy Professionals
451 ratings at LinkedIn Learning

Learn how to use business analysis techniques to help you be organized and confident in the business solutions you are generating for strategic decision making
- LinkedIn Learning
- 43 minutes
- Self-Paced
- Free Trial Available
Building a Personalized Chatbot with OpenAI and LangChain
452 ratings at LinkedIn Learning

Learn how to build a fully personalized chatbot with LangChain and OpenAI.
- LinkedIn Learning
- 22 minutes
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- Free Trial Available
Foundations of Corporate Training
451 ratings at LinkedIn Learning

Learn how to structure cost-effective, impactful corporate training programs that deliver business results.
- LinkedIn Learning
- 1 hour 7 minutes
- Self-Paced
- Free Trial Available
R Essential Training: Wrangling and Visualizing Data
452 ratings at LinkedIn Learning

Learn how to wrangle data and create meaningful visualizations with R, the programming language powering modern data science.
- LinkedIn Learning
- 4-5 hours
- Self-Paced
- Free Trial Available
Succeeding in Software Testing
450 ratings at LinkedIn Learning

Software testing is one of the most misunderstood roles in development. There’s no formal path or credentials that qualify you for the job. Let this course be your baseline guide.
- LinkedIn Learning
- 56 minutes
- Self-Paced
- Free Trial Available
Windows Server 2019: Implementing Group Policy
450 ratings at LinkedIn Learning

Configure and manage Group Policy in Windows Server 2019. Learn about processing for a Group Policy object, troubleshooting Group Policy issues, adjusting security settings, and more.
- LinkedIn Learning
- 1 hour 26 minutes
- Self-Paced
- Free Trial Available
Personal Finance Nano Tips with Brittney Castro
449 ratings at LinkedIn Learning

Learn the finance skills they didn't teach you in high school, but that every adult needs to know!
- LinkedIn Learning
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- Free Trial Available

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