System Design Basics: Architecture Selection and Steps

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Questions and Answers

What is the first basic step in system design according to the text?

  • Clarify and agree on the scope of the system (correct)
  • Identify traffic and data handling constraints
  • List different services required for the application layer
  • Sketch the important components and connections in detail

Which layer is responsible for serving requests in a system design?

  • Data Storage layer
  • Component Design layer
  • Application service layer (correct)
  • Core object layer

In a scalable system, what is usually included in the data storage layer?

  • Webserver
  • Service partition
  • Database cluster (correct)
  • Caching systems

What type of design involves mapping features to modules, considering relationships among modules, and defining specific APIs for each component?

<p>Component Design (A)</p> Signup and view all the answers

What is one reason for certain functions to have unique instances in a system's module structure?

<p>To utilize Singleton design pattern (A)</p> Signup and view all the answers

What does the user cases description primarily focus on in system design?

<p>Describing sequences of events for system functionality (A)</p> Signup and view all the answers

What is the primary purpose of load balancing?

<p>To distribute user requests evenly across multiple servers (C)</p> Signup and view all the answers

What is the main benefit of in-memory caching compared to disk-based storage?

<p>In-memory cache offers significantly faster data access (B)</p> Signup and view all the answers

When scaling horizontally, how does the system expand?

<p>Increasing the number of machines in the resource pool (B)</p> Signup and view all the answers

What is the role of a load balancer in a scalable web service?

<p>Evenly distributing user requests among application servers (B)</p> Signup and view all the answers

What distinguishes vertical scaling from horizontal scaling?

<p>Vertical scaling adds more machines, while horizontal scaling adds power to existing machines (D)</p> Signup and view all the answers

Which type of load balancer is known for being reliable but often comes with higher costs?

<p>Hardware load balancer (D)</p> Signup and view all the answers

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