How to Answer System Design Interview Questions (Complete Guide)
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- เผยแพร่เมื่อ 1 มิ.ย. 2024
- Make sure you're interview-ready with Exponent's system design interview prep course: bit.ly/3M6qTj1
Read our complete guide to system design interviews here: bit.ly/3TAlu8D
The system design interview evaluates your ability to design a system or architecture to solve a complex problem in a semi-real-world setting. It doesn’t aim to test your ability to create a 100% perfect solution; instead, the interview assesses your ability to:
- Design the blueprint of the architecture
- Analyze a complex problem
- Discuss multiple solutions
- Weigh the pros and cons to reach a workable solution
0:00 - Introduction
0:20 - What is a system design interview?
1:24 - Step 1: Defining the problem
1:43 - Functional and non-functional requirements
2:40 - Estimating data
3:10 - Step 2: High-level design
3:30 - APIs
4:00 - Diagramming
4:20 - Step 3: Deep dive
5:10 - Step 4: Scaling and bottlenecks
6:20 - Step 5: Review and wrap up
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Make sure you're interview-ready with Exponent's system design interview prep course: bit.ly/3M6qTj1
1. **Define the Problem Space:**
- Understand problem and define scope.
- Clarify functional and non-functional requirements.
- State assumptions and decisions explicitly.
2. **Design the System at a High Level:**
- Design APIs to define how clients access system resources.
- Consider request parameters, response types, and communication between client and server.
- Create a high-level design diagram to illustrate system architecture.
3. **Deep Dive into the Design:**
- Examine system components and relationships in detail.
- Consider non-functional requirements' impact on design choices.
- Present different design options with pros and cons.
4. **Identify Bottlenecks and Scaling Opportunities:**
- Assess system's ability to operate under various conditions and support growth.
- Address single points of failure, data replication, global service support, and scalability.
- Consider concepts like horizontal sharding, CDN, caching, rate limiting, and databases.
5. **Review and Wrap Up:**
- Summarize major decisions with justifications and trade-offs.
- Ensure design satisfies all requirements.
- Identify directions for further improvement.
I got a system design interview tomorrow and I can't do the deep dive part... There's too much random stuff to memorize that I have never used before. Anyone got any tips for taking a SD interview when you don't know anything about SD? Ie. How can I fail in the most elegant way possible?
your communication is top notch :)
Really great explanation, Neamah! thank you
Nice video which covers complete system design in 5 steps, Awesome!❤
Valuable info! Thank you for sharing!!
Great to see you back 👏
Great insights! Your comprehensive guide offers valuable strategies for tackling system design interviews effectively.
What a great content! Thank you!
I just wanted to take a moment to tell you how much I appreciate your TH-cam videos. Your explanations are fantastic and easy to understand, and you have a real knack for breaking down complex concepts into simple terms. I've learned so much from your videos, and I'm always eager to watch more.
I also really enjoy your teaching style. You are so passionate about the subjects you teach, and it's clear that you care about your students. You are also very engaging and entertaining to watch, and I never feel bored when I'm watching your videos.
I know this is a bit random, but I also wanted to say that you have the most beautiful eyes I've ever seen.
Thank you again for your amazing videos. I'm so glad I found your channel!
Sincerely,
MOHAMED
Great explanation.. thanks
Such a clear and concise explanation! Thank you! I hope when AI teachers are created in the future they model them after people like this.
She is reading 🤣
Really helpful!
Not every company is going to make you remember stuff, most of the time it's open note / Google search permitted. They do that to also gauge how well you'll do in research which is what you'll do most of the time.
which tool do you use for video editing and diagrams?
Good one
Pushing the algorithm
Great video on system design prep. Although I actually had a long session today that lasted an hour and fifteen minutes!
Glad we could help! 1 hour 15 minutes?? 😱😱
@@tryexponent yeah it was a VERY long session. Although I think we spent like 15-20 minutes just talking about the question and requirements.
Ise eks and hpa to solve app scalability
that's why I hate getting interviews for soft dev why do they make it hard? Not only that they make it so there is soooooo many stages , I hate this whole process. Wish me luck I got a interview with a big bank tomorrow AND I AM DOING ALL THIS LAST MINUTE AHHHHH