![]() ![]() Availability: The databases cannot have downtime and should be available and responsive always.For example, post database updation, all queries should retrieve the same result. Consistency: This states that the data has to remain consistent after the execution of an operation in the database.Let us understand this with the help of a distributed database system. It can at max provide any 2 of the 3 guarantees. What is CAP theorem?ĬAP(Consistency-Availability-Partition Tolerance) theorem says that a distributed system cannot guarantee C, A and P simultaneously. System Design Interview Questions for Freshers 1. Because your application will be able to handle the architectural load, designing your system adequately for the requirements of your application will eliminate unnecessary costs and maintenance efforts, as well as provide a better experience for your end-users. Systems design is more about system’s analysis, architectural patterns, APIs, design patterns, and glueing it all together than it is about coding. It is the process of identifying, creating, and designing systems that meet a company’s or organization’s specific objectives and expectations. The process of establishing system aspects such as modules, architecture, components and their interfaces, and data for a system based on specified requirements is known as system design. Design Uber, Ola or Lyft type of systems. Design a type-ahead search engine service. How do you design global file storage and file sharing services like Google Drive, Dropbox etc? Design an API Rate Limiter system for GitHub or Firebase sites. How do you design a recommendation system? Design a forum-like systems like Quora, Reddit or HackerNews. How do you design a URL shortening service like TinyURL or bit.ly? Design a global chat service like Whatsapp or a facebook messenger. System Design Interview Questions for Experienced. ![]() What are some of the design issues in distributed systems? How do you answer system design interview questions? What do you understand by Leader Election? What do you understand by Content delivery network? What are the various Consistency patterns available in system design? What is Caching? What are the various cache update strategies available in caching? How is performance and scalability related to each other? How is sharding different from partitioning? How is NoSQL database different from SQL databases? What do you understand by Latency, throughput, and availability of a system? What do you understand by load balancing? Why is it important in system design? How is Horizontal scaling different from Vertical scaling? System Design Interview Questions for Freshers. ![]()
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