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Quiz

Scalable System Architectures

Eladio Rocha 11 perguntas

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Perguntas do quiz (11)

  1. 1In which scenario is a single-server design most appropriate?
    1. AFor highly critical commercial applications
    2. BFor large-scale systems with significant traffic
    3. CFor small, low-priority tools or personal websites
    4. DFor applications requiring high availability
  2. 2What is a key drawback of a single-server design for commercial systems?
    1. AHigh cost of scaling
    2. BSingle point of failure
    3. CComplexity of setup
    4. DRedundant database connections
  3. 3What does vertical scaling involve?
    1. AAdding more servers to distribute the load
    2. BIncreasing the capacity of an existing server
    3. CImplementing a load balancer to manage traffic
    4. DDividing a database into multiple shards
  4. 4What is a limitation of vertical scaling?
    1. AIt requires complex database partitioning.
    2. BIt is limited by the maximum capacity of a single server.
    3. CIt cannot handle stateless requests efficiently.
    4. DIt increases the number of servers to maintain.
  5. 5How does horizontal scaling differ from vertical scaling?
    1. AHorizontal scaling increases the size of servers, while vertical scaling adds more servers.
    2. BHorizontal scaling involves adding more servers, while vertical scaling increases the size of existing servers.
    3. CHorizontal scaling reduces server maintenance, while vertical scaling increases it.
    4. DHorizontal scaling focuses on database optimization, while vertical scaling focuses on application layers.
  6. 6What component is essential for horizontal scaling to distribute traffic across servers?
    1. ADatabase replicas
    2. BA load balancer
    3. CA central storage system
    4. DAn additional web server
  7. 7Why must web servers in a horizontally scaled system be stateless?
    1. ATo ensure they can share storage efficiently
    2. BTo allow any server to handle any user request independently
    3. CTo improve CPU utilization across the system
    4. DTo minimize database load during high traffic
  8. 8What is a primary advantage of horizontal scaling over vertical scaling?
    1. AIt reduces system complexity.
    2. BIt eliminates single points of failure.
    3. CIt is more cost-effective for small-scale systems.
    4. DIt requires fewer machines to maintain.
  9. 9In which scenario is vertical scaling likely sufficient?
    1. AA globally distributed e-commerce platform
    2. BA personal website with low traffic
    3. CA real-time video streaming service
    4. DA high-frequency financial trading application
  10. 10What is a downside of horizontal scaling?
    1. AIt limits the ability to add more servers.
    2. BIt increases the likelihood of server failure.
    3. CIt introduces more components to maintain.
    4. DIt restricts redundancy in the system.

Informações

Descrição
Overview of scalable system architectures, comparing vertical and horizontal scaling, their advantages, limitations, and practical applications, including the role of load balancers and stateless web servers.
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