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AWS Cost Optimization and Efficiency for DevOps Flashcards
AWS DevOps Engineer Professional DOP-C02 Flashcards
| Front | Back |
| How can Auto Scaling reduce AWS costs | By dynamically adjusting the number of running instances based on workload |
| How can Data Transfer Costs be reduced in AWS | Utilize AWS PrivateLink, peering, and placement groups to minimize cross-region and internet transfer expenses |
| How can Elastic Load Balancing (ELB) improve cost efficiency | Shares workloads across multiple instances and scales automatically to capacity needs |
| How can Lambda affect costs for a DevOps pipeline | Pay only for the actual compute time used during task execution |
| How can Managed NAT Gateway costs be optimized | Replace with EC2-based NAT for predictable, lower data volume |
| How do AWS Consolidated Billing and Organizations reduce costs | Combine and allocate usage across multiple accounts to maximize volume discounts |
| How do Savings Plans differ from Reserved Instances | Provide more flexibility across instances, regions, and instance families while still offering significant discounts |
| How does AWS Compute Optimizer help with cost efficiency | Provides recommendations for improving resource utilization across EC2 instances |
| How does AWS Spot Instances lower costs | By offering unused EC2 capacity at up to 90% discount compared to On-Demand prices |
| How does AWS Storage Gateway help optimize costs | Integrates on-premises applications with cloud storage to reduce infrastructure expenses |
| How does EC2 Auto Scaling with Spot Instances lower costs | Automatically integrates cost-efficient Spot Instances into your scaling groups |
| How does Elastic Kubernetes Service (EKS) help manage costs | Auto-scales Kubernetes worker nodes based on workload to optimize infrastructure costs |
| How does enabling EC2 Instance Termination Protection help | Prevents accidental cost increases due to misconfigured instance deletions |
| How does Standard Reserved Instances differ from Convertible Reserved Instances | Standard RIs are less flexible and offer higher discounts compared to Convertible RIs which can be modified during the contract period |
| How does the AWS Free Tier contribute to cost optimization | Allows experimenting with services at no cost up to certain limits for 12 months or always free for selected offerings |
| What are some tools for tracking AWS usage in real-time | AWS CloudWatch and third-party tools like Datadog or New Relic |
| What does the Service Quotas feature assist with | Managing resource limits and avoiding costly overprovisioning or throttling issues |
| What is a common strategy for optimizing EC2 usage | Rightsizing instances to better match workload requirements |
| What is a major benefit of using AWS Batch for compute workloads | Optimizes the execution of batch jobs by efficiently allocating resources |
| What is AWS Cost Explorer | A tool to visualize and analyze your AWS expenses and usage patterns |
| What is AWS Savings Plans | Flexible plans that offer cost savings in exchange for consistent usage of AWS services |
| What is AWS Trusted Advisor used for | Identifying cost optimization opportunities through specific service checks and recommendations |
| What is the advantage of using serverless architectures | Eliminates the cost of provisioning and managing servers by utilizing event-driven compute services |
| What is the benefit of enabling AWS CloudTrail for cost optimization | Tracks API usage and resource changes to identify inefficient or expensive patterns |
| What is the benefit of enabling Reserved Capacity in RDS | Ensures cost savings for relational databases by committing to a fixed capacity over time |
| What is the benefit of using S3 Intelligent-Tiering | Automatic tiering moves data to the most cost-effective storage tier based on access patterns |
| What is the cheapest storage tier in AWS S3 | S3 Glacier Deep Archive |
| What is the function of AWS OpsWorks in cost management | Simplifies application deployment and lifecycle management, reducing repetitive manual effort |
| What is the goal of rightsizing recommendations in AWS | To ensure resources match workload demands while minimizing costs |
| What is the purpose of AWS Budgets | Allows setting custom spending thresholds to monitor and control AWS costs |
| What is the purpose of Reserved Instances | To reduce costs up to 75% by committing to a long-term usage of AWS resources |
| What is the purpose of tagging resources in AWS | Enables cost allocation by categorizing expenses across departments, teams, or projects |
| What is the role of AWS Cost Anomaly Detection | Uses machine learning to alert users of unexpected cost or usage increases |
| What is the role of AWS Service Catalog in cost control | Ensures deployments adhere to organizational cost policies by providing pre-configured templates |
| What is the significance of regional pricing differences in AWS | Avoid deploying resources in higher-cost regions to optimize expenses |
| What is the use of Cost Allocation Tags | Attribute costs to specific resources, teams, or projects for better financial management |
| Which AWS pricing model is best suited for unpredictable workloads | On-Demand Instances |
| Why is it important to monitor unused resources in AWS | To avoid unnecessary charges for idle or orphaned services |
| Why is it important to use lifecycle policies with S3 | Automates moving data to lower-cost storage tiers over time |
This deck focuses on strategies and tools to optimize costs and improve resource efficiency in AWS for DevOps workflows.