Episode 99: On-Demand vs. Reserved vs. Spot Instances

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Certified - AWS Certified Cloud Practitioner Audio Course

Jason Edwards

107 episodes

2 days ago

Ready to earn your AWS Certified Cloud Practitioner credential? The AWS Cloud Practitioner Audio Course is your complete, audio-first companion for mastering the foundational knowledge required to succeed on the certification exam. Designed for learners at all levels, this Audio Course breaks down the essentials of the Amazon Web Services (AWS) Cloud into clear, practical, and easy-to-follow lessons. Each episode covers key topics including cloud concepts, AWS core services, security and compliance, cost management, and cloud economics—all aligned with the official exam blueprint. Whether you’re brand new to IT or expanding your cloud expertise, you’ll gain the understanding and confidence to speak the language of the cloud and apply these principles in real-world environments. The AWS Certified Cloud Practitioner certification validates a broad understanding of cloud computing and the AWS platform, making it ideal for students, business professionals, and technical teams seeking foundational cloud fluency. The exam measures your ability to explain AWS architectural principles, describe key security and compliance measures, and identify use cases that drive business value. It also emphasizes cost optimization and pricing models, preparing you to make informed cloud decisions in both technical and non-technical roles. Earning this certification is an essential first step toward advanced AWS credentials like Solutions Architect, SysOps Administrator, or Security Specialty. Developed by BareMetalCyber.com, the AWS Cloud Practitioner Audio Course delivers expert-driven instruction designed for flexible, on-the-go learning. Each episode builds your cloud literacy and exam readiness—helping you confidently prepare, pass, and take the next step in your cloud career.

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Episode 99: On-Demand vs. Reserved vs. Spot Instances

Certified - AWS Certified Cloud Practitioner Audio Course

21 minutes

2 months ago

Episode 99: On-Demand vs. Reserved vs. Spot Instances

In this episode, we provide a detailed comparison of On-Demand, Reserved, and Spot Instances, helping you decide which option is best for your AWS workloads. On-Demand Instances are the most flexible and allow you to pay for compute capacity by the hour or second, making them ideal for unpredictable workloads. However, they can be more expensive compared to other options. We’ll explain when to use On-Demand Instances for testing, development, or workloads with unpredictable traffic patterns, and how to manage costs by adjusting your usage.

Next, we’ll explore Reserved Instances, which offer significant savings for long-term, predictable workloads. We’ll discuss how Reserved Instances provide discounts in exchange for a one- or three-year commitment, and how to plan your capacity to maximize savings. Lastly, we’ll cover Spot Instances, which are ideal for flexible, fault-tolerant workloads that can tolerate interruptions. Spot Instances are much cheaper but come with the risk that AWS might reclaim capacity if demand for resources increases. By the end of this episode, you’ll be able to make informed decisions about which EC2 pricing model to use for your specific needs. Produced by BareMetalCyber.com, your trusted resource for expert-driven cybersecurity education.