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System Design Basics: Architecture Selection and Steps

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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?

Component Design Signup and view all the answers

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

To utilize Singleton design pattern Signup and view all the answers

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

Describing sequences of events for system functionality Signup and view all the answers

What is the primary purpose of load balancing?

To distribute user requests evenly across multiple servers Signup and view all the answers

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

In-memory cache offers significantly faster data access Signup and view all the answers

When scaling horizontally, how does the system expand?

Increasing the number of machines in the resource pool Signup and view all the answers

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

Evenly distributing user requests among application servers Signup and view all the answers

What distinguishes vertical scaling from horizontal scaling?

Vertical scaling adds more machines, while horizontal scaling adds power to existing machines Signup and view all the answers

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

Hardware load balancer Signup and view all the answers