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Application Scaling and Performance Optimization

This quiz is designed to assess your knowledge of application scaling and performance optimization techniques. It covers topics such as horizontal and vertical scaling, load balancing, caching, and performance monitoring.

15 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Which of the following is a horizontal scaling technique?

  1. Adding more RAM to a single server
  2. Adding more CPUs to a single server
  3. Distributing the workload across multiple servers
  4. Upgrading the operating system on a single server
Question 2 Multiple Choice (Single Answer)

Which of the following is a vertical scaling technique?

  1. Adding more RAM to a single server
  2. Adding more CPUs to a single server
  3. Distributing the workload across multiple servers
  4. Upgrading the operating system on a single server
Question 3 Multiple Choice (Single Answer)

Which of the following is a load balancing algorithm?

  1. Round-robin
  2. Least connections
  3. Weighted round-robin
  4. All of the above
Question 4 Multiple Choice (Single Answer)

What is the purpose of caching?

  1. To reduce the number of requests to the database
  2. To improve the performance of the application
  3. To reduce the bandwidth usage
  4. All of the above
Question 5 Multiple Choice (Single Answer)

Which of the following is a performance monitoring tool?

  1. New Relic
  2. AppDynamics
  3. Dynatrace
  4. All of the above
Question 6 Multiple Choice (Single Answer)

What is the difference between horizontal and vertical scaling?

  1. Horizontal scaling involves adding more servers to the system, while vertical scaling involves upgrading the hardware of a single server.
  2. Horizontal scaling involves distributing the workload across multiple servers, while vertical scaling involves adding more RAM to a single server.
  3. Horizontal scaling involves adding more CPUs to a single server, while vertical scaling involves distributing the workload across multiple servers.
  4. Horizontal scaling involves upgrading the operating system on a single server, while vertical scaling involves adding more RAM to a single server.
Question 7 Multiple Choice (Single Answer)

Which of the following is a benefit of horizontal scaling?

  1. Increased scalability
  2. Improved performance
  3. Reduced costs
  4. All of the above
Question 8 Multiple Choice (Single Answer)

Which of the following is a benefit of vertical scaling?

  1. Increased scalability
  2. Improved performance
  3. Reduced costs
  4. None of the above
Question 9 Multiple Choice (Single Answer)

Which of the following is a disadvantage of horizontal scaling?

  1. Increased complexity
  2. Increased costs
  3. Reduced performance
  4. All of the above
Question 10 Multiple Choice (Single Answer)

Which of the following is a disadvantage of vertical scaling?

  1. Limited scalability
  2. Increased costs
  3. Reduced performance
  4. All of the above
Question 11 Multiple Choice (Single Answer)

Which of the following is a best practice for performance optimization?

  1. Use a CDN to reduce latency
  2. Minify and compress CSS and JavaScript files
  3. Use a database caching mechanism
  4. All of the above
Question 12 Multiple Choice (Single Answer)

What is the purpose of a CDN?

  1. To reduce latency
  2. To improve performance
  3. To reduce bandwidth usage
  4. All of the above
Question 13 Multiple Choice (Single Answer)

What is the purpose of minifying and compressing CSS and JavaScript files?

  1. To reduce the size of the files
  2. To improve the performance of the application
  3. To reduce bandwidth usage
  4. All of the above
Question 14 Multiple Choice (Single Answer)

What is the purpose of a database caching mechanism?

  1. To reduce the number of requests to the database
  2. To improve the performance of the application
  3. To reduce bandwidth usage
  4. All of the above
Question 15 Multiple Choice (Single Answer)

What is the difference between horizontal and vertical scaling?

  1. Horizontal scaling involves adding more servers to the system, while vertical scaling involves upgrading the hardware of a single server.
  2. Horizontal scaling involves distributing the workload across multiple servers, while vertical scaling involves adding more RAM to a single server.
  3. Horizontal scaling involves adding more CPUs to a single server, while vertical scaling involves distributing the workload across multiple servers.
  4. Horizontal scaling involves upgrading the operating system on a single server, while vertical scaling involves adding more RAM to a single server.
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