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Questions and Answers
What benefit does AWS provide in terms of upfront costs compared to traditional and virtualized data centers?
What is a primary advantage of edge locations?
Which service can be used to limit access to an Amazon S3 bucket to specific users?
What security-related actions are available at no cost on AWS?
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Which type of Reserved Instance (RI) pricing model allows changing the attributes of the RI as long as the exchange results in the creation of RIs of equal or greater value?
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What AWS feature helps reduce the customer's total cost of ownership (TCO)?
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What type of RI pricing model provides a fixed, discounted rate for a specific instance type?
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Which AWS service provides a way to cache frequently changing data without reaching the origin server?
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What is a benefit of using Convertible RIs?
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What is a primary advantage of using AWS Identity and Access Management (IAM) policies?
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Study Notes
AWS Cost Management and Services
- AWS Trusted Advisor inspects AWS environments for cost savings and performance improvements.
- AWS Cost Explorer provides insights into spending patterns over time.
- Elasticity and Pay-as-you-go pricing make AWS cost-effective for dynamic workloads.
Amazon EC2 Pricing Models
- Dedicated Hosts allow the use of existing server-bound software licenses.
- Spot Instances enable purchasing unused capacity at reduced rates.
- Reserved Instances provide discounts on predictable usage when purchased in advance.
Amazon S3 Characteristics
- Amazon S3 is characterized as an object store, offering durable storage for various data types.
- Global file system capabilities enable accessibility from any location.
Hybrid AWS Cloud Architectures
- Amazon Route 53 and Virtual Private Gateway are services compatible with hybrid architectures.
AWS Total Cost of Ownership (TCO)
- TCO comparison includes project management, data center security, and antivirus software licensing.
- On-premises TCO includes fixed and variable costs, while AWS offers reduced variable costs.
Database Services Consideration
- For a self-hosted database needing nightly shutdowns, Amazon EC2 with Amazon EBS is suitable for cost savings.
AWS Infrastructure Relationships
- Regions contain multiple Availability Zones, enhancing resilience and availability.
- Availability Zones do not contain edge locations; they are separate entities.
Cost Estimation Tools
- AWS Pricing Calculator, Detailed Billing Report, and TCO Calculator are key tools for cost estimation.
AWS Consolidated Billing Advantages
- One bill for multiple accounts simplifies billing management.
- Potential volume discounts arise from combined usage across accounts.
Reserved Instances (RI) Pricing Models
- Three-year, All Upfront, Standard RI pricing provides the highest average savings compared to On-Demand pricing.
Edge Locations Functionality
- Edge locations enhance user experience by reducing latency and improving performance.
Access Control for Amazon S3 Buckets
- AWS Identity and Access Management (IAM) policies restrict access to specific users for S3 buckets.
Free Security-Related Actions
- Access to AWS forums, blogs, and whitepapers is available at no cost, along with attending university classes.
Reserved Instances Attributes
- Convertible RIs allow changes in attributes as long as exchanges are equal or of greater value.
AWS Features Affecting Total Cost of Ownership
- Elastic computing reduces TCO by dynamically adjusting resources based on demand.
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Description
Test your knowledge of Amazon Web Services (AWS) including EC2, RDS, Aurora, Redshift, and S3. Learn about different pricing models and how to optimize costs for your business. Identify the right tools for your cloud infrastructure.
