Microsoft Azure Architect Technologies (AZ-300) Practice Exam

Which practice is associated with measuring and improving the efficiency of your application's resource usage?

1. Performance monitoring

2. Caching

3. Scalability testing

4. Dependency mapping

The correct answer is: Performance monitoring

Performance monitoring is the practice that focuses on measuring and improving the efficiency of an application's resource usage. It involves continuously observing various performance metrics such as response times, throughput, resource utilization, and system behavior under different conditions. By gathering this data, teams can identify bottlenecks, wasted resources, and performance issues, which can then be addressed to optimize the application's operation. Implementing performance monitoring allows for real-time insights into how resources like CPU, memory, and network bandwidth are being utilized. This enables proactive management of resources, ensuring that the application runs as efficiently as possible. While caching can improve performance by temporarily storing frequently accessed data to reduce retrieval times, it does not directly measure resource usage efficiency. Scalability testing assesses how well an application can handle growth in user load but does not specifically measure resource efficiency across various contexts. Dependency mapping provides insights into the relationships between components in the application but is more focused on architecture understanding rather than direct measures of efficiency.