AWS Certified Cloud Practitioner
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A company is in the process of finding correct Amazon EC2 instance types and sizes to meet its performance and capacity requirements. The company wants to find the lowest possible cost. Which option accurately characterizes the company's actions?
Real Exam
Community
RRitesh
A
Auto Scaling
B
Storage tiering
C
Rightsizing
D
Instance scheduling
Explanation:
Explanation
Rightsizing is the process of matching instance types and sizes to your workload performance and capacity requirements at the lowest possible cost. This involves:
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Analyzing current usage patterns - Understanding CPU, memory, storage, and network utilization
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Identifying over-provisioned resources - Finding instances that are larger than needed
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Finding under-provisioned resources - Identifying instances that are too small and causing performance issues
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Selecting optimal instance types - Choosing the right combination of compute, memory, storage, and networking capabilities
Why the other options are incorrect:
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Auto Scaling: Automatically adjusts capacity to maintain steady, predictable performance at the lowest possible cost, but doesn't specifically address finding the right instance types
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Storage tiering: Involves moving data between different storage classes based on access patterns, not related to EC2 instance selection
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Instance scheduling: Automatically starts and stops instances based on schedules to save costs, but doesn't involve selecting the right instance types
Rightsizing is specifically focused on selecting the most cost-effective EC2 instances that meet performance requirements without over-provisioning.
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