AWS (Amazon Web Services) Certification Practice Exam

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What characterizes the General Purpose Instance Family?

High CPU, low memory
High memory, low CPU
Balanced mix of CPU, Memory, and Storage
High disk throughput

The correct answer is: Balanced mix of CPU, Memory, and Storage

The General Purpose Instance Family is designed to provide a balanced mix of compute, memory, and storage resources, making it suitable for a variety of workloads. This includes applications that require a balanced approach, such as web servers, small to mid-sized databases, and development and testing environments. The design philosophy behind these instances is to ensure that users can run applications that do not need extreme levels of CPU, memory, or storage without having to over-provision resources. This balance helps to optimize cost-efficiency and performance in scenarios where flexibility is required, allowing workloads to scale without particular emphasis on one resource type over another. In contrast, other instance families in AWS focus on specific use cases – such as compute-optimized instances that prioritize CPU power for high-performance computing tasks, or memory-optimized instances that maximize RAM for in-memory databases. These differences clarify why General Purpose Instances are characterized by a balanced configuration rather than an emphasis on high CPU, low memory, or vice versa, or high disk throughput.