40081896
Description
Quiz by Eladio Rocha, updated 18 days ago
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Created by Eladio Rocha
19 days ago
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Question 1
Question
In which scenario is a single-server design most appropriate?
Answer
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For highly critical commercial applications
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For large-scale systems with significant traffic
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For small, low-priority tools or personal websites
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For applications requiring high availability
Question 2
Question
What is a key drawback of a single-server design for commercial systems?
Answer
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High cost of scaling
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Single point of failure
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Complexity of setup
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Redundant database connections
Question 3
Question
What does vertical scaling involve?
Answer
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Adding more servers to distribute the load
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Increasing the capacity of an existing server
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Implementing a load balancer to manage traffic
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Dividing a database into multiple shards
Question 4
Question
What is a limitation of vertical scaling?
Answer
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It requires complex database partitioning.
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It is limited by the maximum capacity of a single server.
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It cannot handle stateless requests efficiently.
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It increases the number of servers to maintain.
Question 5
Question
How does horizontal scaling differ from vertical scaling?
Answer
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Horizontal scaling increases the size of servers, while vertical scaling adds more servers.
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Horizontal scaling involves adding more servers, while vertical scaling increases the size of existing servers.
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Horizontal scaling reduces server maintenance, while vertical scaling increases it.
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Horizontal scaling focuses on database optimization, while vertical scaling focuses on application layers.
Question 6
Question
What component is essential for horizontal scaling to distribute traffic across servers?
Answer
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Database replicas
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A load balancer
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A central storage system
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An additional web server
Question 7
Question
Why must web servers in a horizontally scaled system be stateless?
Answer
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To ensure they can share storage efficiently
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To allow any server to handle any user request independently
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To improve CPU utilization across the system
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To minimize database load during high traffic
Question 8
Question
What is a primary advantage of horizontal scaling over vertical scaling?
Answer
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It reduces system complexity.
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It eliminates single points of failure.
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It is more cost-effective for small-scale systems.
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It requires fewer machines to maintain.
Question 9
Question
In which scenario is vertical scaling likely sufficient?
Answer
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A globally distributed e-commerce platform
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A personal website with low traffic
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A real-time video streaming service
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A high-frequency financial trading application
Question 10
Question
What is a downside of horizontal scaling?
Answer
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It limits the ability to add more servers.
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It increases the likelihood of server failure.
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It introduces more components to maintain.
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It restricts redundancy in the system.
Question 11
Question
What design principle should guide the choice of system architecture?
Answer
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Prioritize redundancy regardless of cost.
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Build the simplest architecture that meets the requirements.
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Always opt for horizontal scaling, even for small systems.
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Avoid using load balancers to minimize complexity.
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