TTC Instructor Rating

Andrei Dumitrescu has an overall rating of 4.6 out of 5.0 based on 1,761 total reviews analyzed.
Write Your Review | Andrei's Courses

Note: TTC rating is based on actual learner's reviews and feedback than just numerical values.

93%

of reviews are Positive

Andrei Dumitrescu is highly qualified Network and Software Engineer who has been working in this field for over 15 years now. He is typically a DevOps engineer who co-founded Crystal Mind Academy that is a professional training center in Romania. His teaching academy focuses on teaching cutting-edge technologies to students.

TTC Analysis | TTC Course Effectiveness Score | About Instructor | Learner Reviews | Instructor’s Online Courses

0 / 5.0

Rating

Total Reviews

0 %

Positive Reviews

Courses Analyzed

TakeThisCourse Analysis Results for Andrei’s Courses :

To help online learners with real user experience, our experts did a comprehensive analysis of instructor’s courses using text mining techniques that generates following results:

TTC analyzed a total of 1,761 reviews for eight online courses of Andrei Dumitrescu.
The analysis indicates that around 93% reviews were positive while around 7% of reviews had negative sentiment.

TTC Course Effectiveness Score:

We have further analyzed user opinions related to 4 effectiveness factors including Content, Engagement, Quality Practice and Career Benefit.

94%

Content

4.7 / 5.0
726 Reviews

94%

Engagement

4.7 / 5.0
1,065 Reviews

89%

Practice

4.5 / 5.0
242 Reviews

90%

Career Benefit

4.5 / 5.0
182 Reviews

In our detailed analysis, we found out effectiveness of Andrei’s courses against various factors: We can say that overall:

Andrei’s content delivery is not only informative but easy to understand.
He has this way of explaining even difficult concepts in an engaging manner.
He uses real-life examples, quizzes, and different assignments in his courses to allow learners to practice taught skills.

Overall his courses have allowed individuals to not only learn new skills but land a suitable job as well.

Below Stack Barchart further shows the positive, neutral and negative reviews we found during our detailed course analysis.

More about Instructor:

Andrei has contributed to education more than anyone can think. He has contributed in the areas of programming, information security, and operating systems. During the last 15 years, he has managed to teach more than 50,000 thousand students either through online training programs at Crystal Mind Academy or giving in-person training.

Andrei has proudly developed documentation, labs, and case studies for many training programs that include Cisco CCNA, CCNA Security, CCNP, Linux Administration, Python Programming, Network Automation with Python, and many others. And the best thing about these training programs is that they have been successfully attended by thousands of students over the past few years.

Today he has 81,235+ students and 11,672+ ratings on Udemy.

Qualification:

He has a degree in Mathematics from “Mihai Viteazul” National College of Bucharest. (Year 1995 – 1999).
He has a Master’s degree in Computer Science from Cybernetics, Statistics, and Information Economics, Bucharest. (Year 1999 – 2004).

Achievements:

He is the founder and managing director at Crystal Mind Academy.
He has instructed 9 courses on Udemy including;
- Linux Administration: Build 5 Hands-on Linux Projects 2023
- DevOps Bootcamp: Terraform
- Ethical Hacking from Scratch: Complete Bootcamp 2023
- Python Programming: The Complete Python Bootcamp 2023

Learn more about how to Explore Terraform Certifications and advance your career in cloud architecture.

Area of Expertise

Andrei has skills relevant to;

Cisco Technologies
Firewalls
VPN
Network Administration
Security
Penetration Testing
Linux Server Administration
Information Security
Troubleshooting
Internet Protocol Suit (TCP/IP)
and, more.

What Learners are saying about Andrei’s Courses:

Based on the below reviews from different courses by Andrei Dumitrescu, you will get a clear idea of how competitive this instructor is and how engaging his courses are.

His courses are very well structured and have valuable information in them. I took one of his courses and it turned out to be great. His way of explaining things is very easy and it gave me a solid understanding of Linux. So, after finishing the course I really felt like thanking him because it taught me so much about Linux. (Raeed M, ★★★★★).
Andrei I believe is a very skilled teacher and I really appreciate his attention to detail. All the lessons in any of his courses are quite great and he guides in a way that makes things not only easier to understand but interesting to watch. (Peter N, ★★★★★).
I took the “DevOps Bootcamp: Terraform” course and found it to be the best one so far. Andrei is amazing and managed to teach all the topics in a great manner. I really loved the Dynamic Block part on Security Group as some of the terraform experts on my team didn’t even know about it so it was great to learn something unique from Andrei. (Matthew K, ★★★★★).
Andrei not only teaches in the best possible manner but also updates the content of his courses so that his learners are always getting something new from the courses. He really dives deep into each concept sharing all the necessary details and making sure the learner develops a good understanding. (Sara L, ★★★★★).
His courses have detailed information and whatever course you take with Andrei would definitely have quizzes and assignments in them. It is because of these quizzes that one can develop a good understanding of all the taught concepts. (Yogehswar B, ★★★★★).
I took the ethical hacking course instructed by Andrei and it turned out to be the best online course anyone could take. His course was very concise and informative and it turned out to be more than I expected it to be. Andrei is just too great and his accent his totally understandable which I am happy about the most. (Mihai J, ★★★★★).
I am very satisfied with the way Andrei teaches. He is the best and knows exactly how to tackle his students. I believe anyone can learn a lot from this instructor. (Anonymous Learner, ★★★★★).

Andrei Dumitrescu Courses Review