Infrastructure engineering is built on extensive foundations in networking, operating systems, virtualization, databases, and cloud computing.
Our crash course is intelligently organized into 29 modules, each covering a key concept and building upon the previous one. The result is a guided, comprehensive education that equips you with all the building blocks you need to successfully navigate any infrastructure interview.
Infra Coding Questions.
Theoretical familiarity with Bash and SQL is necessary to ace the infrastructure interviews, but it's not sufficient. Knowing how to apply these domain-specific languages in practice is the true test you'll have to pass.
Our thoughtfully selected infra coding interview questions will sharpen your Bash and SQL skills in just the right ways, ensuring you head into your interviews armed with the most relevant experience. Practice makes perfect. Intelligent practice makes even more perfect.
Infra Design Questions.
What kind of database would you use for a Fintech start-up in the banking industry? What kind of infrastructure design choices would you make when migrating a web app to the cloud? How would you troubleshoot an intermittently slow web server?
These are the kinds of open-ended infra design questions that you could be faced with in an infrastructure interview. Our curated list of design questions and our exceptional workspace give you the perfect preparation to tackle these challenging problems.
High-Quality Videos.
We firmly believe in the effectiveness of video as an educational medium. That's why our crash course comes with 29 high-resolution videos, boasting crystal-clear audio for a truly premium experience. Concepts are explained at length and, where applicable, are showcased in action directly in the terminal.
Meanwhile, each of our 10 infra coding questions and 10 infra design questions includes a thorough video explanation, where we walk you through every step of the solution in detail. Preparing for infrastructure interviews has never been easier.
A Better Way To Land Interviews.
Earn the InfraExpert Certificate. Get referred to tech companies.
No more InMail messages that get ignored.
No more cold emails that go nowhere.
No more job applications that get no attention.
No more referral programs that don't work.
No more recruiting agencies that cost a fortune.
With InfraExpert, preparing for interviews helps you land interviews.
AlgoExpert is a US technical-interview-preparation platform founded by Clément Mihailescu (a former Google engineer) — one of the most-used resources for the algorithm / data-structure portion of senior engineering interviews. The platform's distinctive contribution is the curated set of 160 hand-picked interview questions across difficulty tiers, each with video walkthroughs in multiple languages.
The platform has expanded beyond the original AlgoExpert track into SystemsExpert (system design), FrontendExpert (the browser / front-end interview rounds), MLExpert (machine learning interviews), ProgrammingExpert (the broader CS / coding skill foundation), and InfraExpert (infrastructure / DevOps interviews). The teaching style is rigorous and pattern-focused.
The CourseFlix listing under this source carries 8 AlgoExpert courses spanning that range. Material is paid; AlgoExpert runs on per-course or membership pricing on the original platform. Courses are aimed at engineers preparing for technical interviews at large tech companies.
| # | Lesson Title | Duration | Access |
|---|---|---|---|
| 1 | Introduction Demo | 02:42 | |
| 2 | Introduction 2 | 05:19 | |
| 3 | What Is A Network? | 03:24 | |
| 4 | How The Internet Works | 08:48 | |
| 5 | Network Latency | 06:32 | |
| 6 | Caching | 20:53 | |
| 7 | Network Layers | 04:36 | |
| 8 | OSI Model | 10:57 | |
| 9 | TCP/IP Model | 20:22 | |
| 10 | Transport Protocols | 23:39 | |
| 11 | Routing | 20:52 | |
| 12 | Troubleshooting | 23:22 | |
| 13 | Operating Systems | 15:06 | |
| 14 | Processes And Threads | 14:11 | |
| 15 | Locks And Concurrency Issues | 32:42 | |
| 16 | 1Scheduling And Context Switching | 45:52 | |
| 17 | Unix/Linux Systems | 16:22 | |
| 18 | Virtual Machines | 07:27 | |
| 19 | Containers | 12:11 | |
| 20 | Docker And Kubernetes | 22:35 | |
| 21 | Microservices | 07:06 | |
| 22 | Databases | 05:18 | |
| 23 | Relational Databases | 05:57 | |
| 24 | Non-Relational Databases | 06:14 | |
| 25 | Migration And Provider Solutions | 25:37 | |
| 26 | Cloud Architecture | 33:31 | |
| 27 | Cloud Storage | 39:37 | |
| 28 | Cloud Compute And Serverless | 34:20 | |
| 29 | Cloud Networking | 15:13 | |
| 30 | Cloud Security And IAM | 19:12 | |
| 31 | Diskspace Usage | 10:05 | |
| 32 | Check if website is up | 12:20 | |
| 33 | Count Files | 11:13 | |
| 34 | Hostname | 07:23 | |
| 35 | Netstat Routing | 07:33 | |
| 36 | Average Salary | 06:44 | |
| 37 | First Name | 06:40 | |
| 38 | Greater price | 03:38 | |
| 39 | Last 3 records | 11:15 | |
| 40 | top 10 customers | 06:06 | |
| 41 | Backend VMs | 17:21 | |
| 42 | Choose Databases | 07:15 | |
| 43 | Disaster Recovery | 19:04 | |
| 44 | EC2 Instance | 09:06 | |
| 45 | Latency and packet loss | 08:30 | |
| 46 | LaunchApp | 15:50 | |
| 47 | Network Topology | 14:44 | |
| 48 | Slow web server | 13:39 | |
| 49 | Storage Solution | 10:19 | |
| 50 | Troubleshoot API | 12:42 |
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