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AWS Complete Guide: Services, Pricing, Certifications, and Resources Explained [2025]

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AWS Complete Guide: Services, Pricing, Certifications, and Resources Explained [2025]

AWS Complete Guide: Services, Pricing, Certifications, and Resources Explained [2025]

Over 1 million businesses run their critical systems on AWS every month. Netflix uses it for video streaming, Airbnb for booking management, and TSMC for data analytics. This company that started selling books now controls one-third of the global cloud market.

Whether you're evaluating cloud platforms, preparing for AWS certifications, or just wanting to understand this industry giant, this article will guide you through AWS from the ground up—what it is, what services it offers, how it charges, and what resources are available.

Need answers quickly?

If you already have specific AWS needs, skip the research and schedule a free consultation for personalized recommendations.


What is AWS?

AWS (Amazon Web Services) is Amazon's cloud computing platform. Simply put, AWS lets you rent computing power, storage, databases, and other IT resources over the internet without buying your own servers or building data centers.

AWS History and Market Position

The AWS story begins in 2006.

Amazon engineers noticed that the company had built massive server capacity to handle holiday shopping peaks, but utilization was low during normal periods. They thought: why not rent out this idle computing power to others?

In March 2006, AWS launched its first service, S3 (Simple Storage Service), followed by EC2 (Elastic Compute Cloud) in August. These two services remain AWS's most core products today.

Fast forward to 2025:

MetricData
Global Market Share~31% (First Place)
Annual RevenueOver $100 billion
Number of ServicesOver 200
Global Regions34 Regions, 108 Availability Zones
Enterprise CustomersOver 1 million

AWS isn't just the market share leader. It entered the market 4 years before second-place Microsoft Azure, and this first-mover advantage established deep roots in the enterprise market.

Relationship Between AWS and Amazon E-commerce

Many people ask: what's the relationship between AWS and Amazon's retail business?

The answer: same company, but completely independent operations.

Amazon.com is the world's largest e-commerce platform, and AWS is the world's largest cloud service provider. They share the Amazon brand but have different operations, teams, and customers.

Interestingly, while AWS accounts for only 15-17% of Amazon's total revenue, it contributes over 60% of operating profit. In other words, AWS is Amazon's most profitable business.

Why is AWS the Cloud Market Leader?

AWS maintains its top position for several key reasons:

1. Most Comprehensive Services

AWS offers over 200 cloud services, from basic computing and storage to advanced machine learning and quantum computing. No matter how specialized your needs, AWS likely has a solution.

2. Best Global Infrastructure

34 regions and 108 availability zones spanning six continents. This means no matter where your users are, you can find a data center nearby to reduce latency.

3. Most Mature Ecosystem

AWS has the most third-party integrations, learning resources, and certified engineers. When you encounter problems, you're most likely to find answers online.

4. High Enterprise Trust

Finance, healthcare, government, and other industries with the strictest security requirements often choose AWS. This trust takes time to build, making it hard for newcomers to catch up.


AWS Core Services Overview

AWS has over 200 services, but you don't need to know them all. Most users only use 10-20 of them. Here are the six most common categories:

Compute Services

Compute services are the foundation of the cloud—you need computing power to run programs, host websites, and process data.

ServicePurposeUse Cases
EC2Virtual ServersWebsites, Applications, Enterprise Systems
LambdaServerless ComputingEvent-driven Tasks, API Backends
ECS/EKSContainer ManagementMicroservices, Containerized Applications
LightsailSimplified Virtual ServersSmall Websites, Test Environments

EC2 (Elastic Compute Cloud) is AWS's most classic service. Think of it as "renting a computer in the cloud." You can choose CPU, memory, and storage specifications, install any operating system and software, just like operating a physical server.

Learn more: AWS EC2 Complete Tutorial: Instance Types, Pricing, Implementation Guide

Lambda takes a different approach—you don't manage servers, just upload your code, and AWS automatically runs it when requests come in. No requests, no charges—perfect for unpredictable traffic.

Learn more: AWS Lambda Getting Started Guide: Serverless Computing Tutorial, Pricing, Use Cases

Storage Services

Cloud storage benefits include virtually unlimited capacity, and you only pay for what you actually use.

ServicePurposeFeatures
S3Object StorageUnlimited Capacity, 99.999999999% Durability
EBSBlock StorageEC2-dedicated Drives
EFSFile StorageMulti-EC2 Sharing
S3 GlacierArchive StorageLong-term Retention, Extremely Low Cost

S3 (Simple Storage Service) was AWS's first service and remains the most widely used storage service. It stores data as "objects," where each object can be any file type—images, videos, backups, logs, anything.

S3's most impressive feature is its durability: 99.999999999% (11 nines). This means if you store 10 million files, on average you'd lose one every 100,000 years.

Learn more: AWS S3 Complete Tutorial: Storage Classes, Pricing, Implementation Guide

Database Services

AWS provides various database services, from traditional relational to NoSQL.

ServiceTypeUse Cases
RDSRelational DatabaseTraditional Applications, OLTP
AuroraCloud-native RelationalHigh Performance, High Availability
DynamoDBNoSQL Key-Value/DocumentLow Latency, High Concurrency
ElastiCacheIn-memory CacheSessions, Leaderboards
RedshiftData WarehouseBig Data Analytics, BI

RDS (Relational Database Service) lets you easily create MySQL, PostgreSQL, SQL Server, and other relational databases. AWS handles backups, patches, high availability, and other operational tasks.

DynamoDB is AWS's own NoSQL database, featuring extremely low latency (single-digit milliseconds) and automatic scaling. Many games, IoT applications, and mobile apps use it.

Networking Services

Networking services let you build secure, efficient network environments in the cloud.

ServicePurposeFeatures
VPCVirtual Private CloudIsolated Network Environment
CloudFrontCDNGlobal Content Distribution
Route 53DNSDomain Resolution, Traffic Routing
API GatewayAPI ManagementRESTful/WebSocket APIs

VPC (Virtual Private Cloud) is the foundation of AWS networking architecture. It lets you create an isolated network environment in the AWS cloud where you can define IP ranges, create subnets, and set up routing tables and security rules.

Learn more: AWS VPC Tutorial: Virtual Private Cloud Setup, Subnets, Security Configuration

CloudFront is AWS's CDN (Content Delivery Network), with over 450 edge locations globally. Put static content (images, videos, JS/CSS) on CloudFront, and users can retrieve it from the nearest node, dramatically speeding up load times.

AI/Machine Learning Services

AWS has comprehensive AI capabilities, from ready-to-use AI APIs to building your own models.

ServicePurposeFeatures
BedrockGenerative AISupports Claude, Llama, and Other Models
SageMakerML PlatformComplete ML Development Workflow
RekognitionImage RecognitionFace, Object, Text Detection
ComprehendText AnalysisSentiment Analysis, Entity Recognition
TranscribeSpeech-to-TextMulti-language Support

Bedrock is AWS's generative AI service launched in 2023, letting you directly use large language models like Anthropic Claude, Meta Llama, and Amazon Titan without deploying them yourself.

SageMaker is for those who want to train their own models, providing a complete toolchain from data labeling to model training to deployment.

Learn more: AWS AI Services Complete Guide: Bedrock, SageMaker, AI Certifications

Security Services

Security is one of the most important topics in cloud computing. AWS provides multi-layered security services:

ServicePurposeFeatures
IAMIdentity ManagementUsers, Roles, Permission Control
WAFWeb Application FirewallPrevent SQL Injection, XSS
ShieldDDoS ProtectionAutomatic Detection and Mitigation
KMSKey ManagementCreate and Manage Encryption Keys
GuardDutyThreat DetectionIntelligent Security Monitoring

IAM (Identity and Access Management) is the core of AWS security. All access to AWS resources is controlled through IAM—who can log in, what operations they can perform, and which resources they can access.

Understanding IAM is the first step to using AWS, and the most important one.

Overwhelmed by AWS services?

From computing and storage to AI, AWS has over 200 services. Choosing the wrong service can cost several times more. Schedule a free architecture consultation and let experienced architects help you plan the best combination.


AWS Pricing

"Is AWS expensive?" is the most frequently asked question. The answer: it depends on how you use it. Used correctly, it can be very economical; used incorrectly, you might receive a shocking bill.

AWS Pricing Models Explained

AWS's core pricing principle is "pay-as-you-go." Under this principle, there are several different payment methods:

1. On-Demand

The most flexible approach. Pay by the hour, start and stop anytime. Highest price, but no commitment.

Best for: Test environments, applications with unpredictable traffic, uncertain long-term needs.

2. Reserved Instances

Commit to 1-3 years for 30-60% discounts. Requires upfront payment (though no-upfront options exist with smaller discounts).

Best for: Stable production environments, confirmed long-term needs.

3. Savings Plans

A more flexible commitment option than Reserved Instances. You commit to a fixed hourly spend (e.g., $10/hour), and AWS automatically applies optimal discounts.

Best for: Stable usage but potentially changing service mix.

4. Spot Instances

Use AWS's idle computing capacity for up to 90% savings. However, AWS can reclaim resources at any time (with 2-minute warning).

Best for: Interruptible batch processing, large-scale computing, development and testing.

AWS Pricing Calculator Tutorial

AWS provides a free Pricing Calculator to estimate costs before use.

Steps:

  1. Go to calculator.aws
  2. Click "Create estimate" to start a new estimate
  3. Search for the service you want (e.g., EC2)
  4. Select region (this affects price—Asia Pacific is usually more expensive)
  5. Configure specifications (instance type, quantity, runtime, etc.)
  6. View monthly estimate

Tip: Calculate the baseline with On-Demand pricing first, then see how much Reserved options can save.

AWS Free Tier

AWS offers three types of free options to get you started at no cost:

TypeDescriptionExample
Always FreeFree forever with usage limitsLambda: 1 million requests/month
12-Month FreeNew accounts only, first 12 monthsEC2 t2.micro: 750 hours/month
TrialsShort-term trials for specific servicesSageMaker: First 2 months free

Common Service Free Tier Allowances:

ServiceFree AllowanceType
EC2750 hours/month (t2.micro or t3.micro)12 months
S35GB Standard Storage12 months
RDS750 hours/month (db.t2.micro)12 months
Lambda1 million requests/month + 400,000 GB-secondsAlways Free
DynamoDB25GB storage + 200 million requests/monthAlways Free
CloudFront1TB transfer/monthAlways Free

Common Service Cost Estimates

Here are monthly cost estimates for common configurations (US East region):

Small Website (100K monthly visitors)

  • t3.small EC2 x1 + 50GB EBS + S3 10GB + CloudFront 50GB
  • Monthly cost: ~$25-35 USD

Medium Application (1M monthly visitors)

  • t3.medium EC2 x2 + ALB + RDS db.t3.small + S3 100GB
  • Monthly cost: ~$150-200 USD

Large System (Enterprise-grade)

  • Multiple EC2 + Auto Scaling + RDS Multi-AZ + ElastiCache + Full Monitoring
  • Monthly cost: ~$1,000-5,000+ USD

Learn more: AWS Pricing Complete Guide: Pricing Models, Calculator Tutorial, Cost Saving Tips

AWS bills giving you headaches?

Based on our experience, over 80% of AWS bills have optimization opportunities. Many enterprises use On-Demand without knowing Reserved Instances can save 40%. Schedule a free bill review and let us find hidden savings.


AWS Certification Guide

AWS certifications are among the most valuable credentials in the cloud industry. According to Global Knowledge surveys, AWS-certified professionals earn 15-25% more on average than those without certifications.

AWS Certification Types

AWS certifications are divided into four levels:

                    +---------------+
                    |   Specialty   |  <- Specialty (6 certs)
                    |    Domain     |     Deep specialized knowledge
                    +---------------+
                          ^
                    +---------------+
                    | Professional  |  <- Professional (2 certs)
                    |    Level      |     2+ years experience
                    +---------------+
                          ^
                    +---------------+
                    |   Associate   |  <- Associate (3 certs)
                    |    Level      |     1 year experience recommended
                    +---------------+
                          ^
                    +---------------+
                    | Foundational  |  <- Foundational (2 certs)
                    |    Level      |     No experience required
                    +---------------+

Foundational

  • Cloud Practitioner: Cloud concepts introduction
  • AI Practitioner: AI concepts introduction

Associate

  • Solutions Architect Associate (SAA): Architecture design
  • Developer Associate (DVA): Application development
  • SysOps Administrator Associate (SOA): System operations

Professional

  • Solutions Architect Professional (SAP): Advanced architecture
  • DevOps Engineer Professional (DOP): DevOps practices

Specialty

  • Advanced Networking
  • Security
  • Machine Learning
  • Database
  • Data Analytics
  • SAP on AWS

Certification Preparation Recommendations

Recommended Certification Order:

  1. Cloud Practitioner: Start here to build foundations; passing gets you an exam discount voucher
  2. Solutions Architect Associate: The most valuable one, covering core AWS services
  3. Choose based on career direction: Development -> Developer, Operations -> SysOps, Architecture -> Professional

Preparation Resources:

ResourceDescriptionPrice
AWS Skill BuilderOfficial free coursesFree
Udemy CoursesStephane Maarek's courses rated highest~$15 (on sale)
Tutorials DojoBest quality practice exams~$15
A Cloud GuruVideo courses + lab environmentsMonthly subscription

Estimated Preparation Time:

CertificationPrep TimeExam Fee
Cloud Practitioner2-4 weeks$100 USD
Solutions Architect Associate4-8 weeks$150 USD
Solutions Architect Professional8-12 weeks$300 USD

Are AWS Certifications Worth It?

This question is frequently discussed online. Here's a balanced view:

Useful when:

  • Job hunting—it's a plus, especially without hands-on experience
  • Certain positions explicitly require AWS certification (especially at partners, MSPs)
  • Preparation process helps you learn AWS systematically
  • Some companies offer certification bonuses

May be less useful when:

  • You're a senior engineer with extensive hands-on experience
  • Target companies value project experience more
  • You just memorized exam dumps without truly understanding

Conclusion: If you're a newcomer wanting to enter cloud computing or transitioning to cloud-related work, AWS certifications are worth the investment. But certifications are a plus, not a requirement. Practical skills are most important.

Learn more: AWS Certification Complete Guide: 2025 Exam Guide, Preparation Methods, Value Analysis

Specific certification: AWS Solutions Architect Associate (SAA-C03) Certification Preparation Guide


AWS Regional Resources

AWS's presence continues to grow globally. Whether purchasing services, getting certified, or finding jobs, there are local resources available in most regions.

AWS Offices and Data Centers

Regional Offices

  • Locations: Major cities worldwide (New York, London, Tokyo, Singapore, Sydney, etc.)
  • Functions: Sales, Technical Support, Marketing

Choosing Your Region

When selecting an AWS region, consider:

FactorConsideration
LatencyChoose regions closest to your users
ComplianceSome regulations require data to stay in specific regions
ServicesNot all services are available in all regions
PricePricing varies by region

AWS Partners

You can purchase AWS directly or through partners. Partners offer:

Benefits of Working with Partners:

  1. Local Support: Phone and in-person support in your language
  2. Local Invoicing: Invoices in local currency and format
  3. Additional Discounts: Some partners offer better prices than AWS direct
  4. On-site Services: In-person meetings and on-site support
  5. Payment Flexibility: Various payment terms and methods

AWS Summit Events

AWS Summit is a free large-scale conference AWS holds globally throughout the year.

Summit Value:

  • Hear latest AWS product announcements and case studies
  • Network with AWS experts face-to-face
  • On-site certification exams often discounted
  • Pick up AWS swag

AWS Career Opportunities

AWS continues to expand globally. Common positions include:

PositionResponsibilities
Solutions ArchitectHelp customers design AWS architectures
Technical Account ManagerSupport large customer accounts
Account ManagerBusiness development
Partner Solutions ArchitectSupport partner ecosystem

Benefits typically include competitive base salary, stock grants, performance bonuses, and comprehensive benefits packages.


AWS vs Other Cloud Platforms

"Should I choose AWS, Azure, or GCP?" is a question every organization asks. Here's a quick comparison of the three major platforms:

AWS vs Azure Comparison

AspectAWSAzure
Market Share31% (First)25% (Second)
OriginE-commerce InfrastructureEnterprise Software
StrengthsMost comprehensive services, largest ecosystemMicrosoft integration, strong enterprise market
WeaknessesSlightly higher prices, complex interfaceService maturity varies
Best forOrganizations wanting the most complete featuresOrganizations already using Microsoft ecosystem

AWS vs GCP Comparison

AspectAWSGCP
Market Share31% (First)11% (Third)
OriginE-commerce InfrastructureSearch Engine Infrastructure
StrengthsMost comprehensive services, high enterprise adoptionLeading in data analytics, AI/ML
WeaknessesSteeper learning curveFewer enterprise features
Best forAll-around cloud service needsHeavy data analytics, AI applications

How to Choose a Cloud Platform

Choose AWS if:

  • You need the most comprehensive service selection
  • You value ecosystem and community support
  • You need global deployment
  • You have high security and compliance requirements

Choose Azure if:

  • You're deeply using Microsoft 365, Active Directory
  • You need Windows Server integration
  • Your enterprise already has Microsoft contracts
  • You have high hybrid cloud requirements

Choose GCP if:

  • Big data analytics is your core need
  • You're heavily using Kubernetes
  • AI/ML is your main application
  • You need the best network performance

Practical advice: If you don't have special requirements, AWS is the safest choice. It may not be the strongest in every area, but it's good enough in all areas. When you encounter problems, you're most likely to find answers online.

Learn more: AWS vs Azure vs GCP 2025 Complete Comparison: Features, Pricing, Selection Guide


AWS Learning Resources

Want to learn AWS? There are plenty of free and paid resources available:

AWS Official Resources

AWS Skill Builder

  • URL: explore.skillbuilder.aws
  • Over 500 free courses
  • Subtitles available in multiple languages
  • Includes certification prep courses

AWS Academy

  • University partnership program
  • Available at many universities worldwide
  • Students can receive free exam opportunities

AWS Documentation

  • The most authoritative technical documentation
  • Detailed explanations for every service
  • Usage examples and best practices included

Third-Party Resources

Online Courses

PlatformRecommended CoursePrice
UdemyStephane Maarek Series~$15 (on sale)
A Cloud GuruAWS Learning PathsMonthly subscription
CourseraAWS FundamentalsFree audit

Community Resources

ResourceContent
AWS Official YouTubeConference recordings
Stack OverflowTechnical Q&A
AWS User GroupsLocal community meetups
Reddit r/awsCommunity discussions

Learning Recommendations

Beginner Path:

  1. Watch AWS Cloud Practitioner Essentials (free)
  2. Create an AWS Free Tier account and practice
  3. Start with EC2, S3, IAM
  4. Earn Cloud Practitioner certification

Advanced Path:

  1. Choose a direction (architecture, development, operations)
  2. Deep dive into related services
  3. Apply in work or side projects
  4. Earn Associate-level certification

AWS Investment and Stock Analysis

AWS is Amazon's most profitable business and has driven growth across the entire cloud supply chain.

AWS Impact on Amazon Stock

Although AWS accounts for only 15-17% of Amazon's revenue, it contributes over 60% of operating profit. This means AWS performance has enormous impact on AMZN stock price.

AWS's annual growth rate has declined from 30-40% in early years to 12-15% in recent years, but with a large base (annual revenue over $100 billion), it remains the main engine driving Amazon's valuation.

Cloud Supply Chain Stocks

AWS data centers require significant hardware. The supply chain plays important roles:

CategoryRepresentative CompaniesBenefit Level
Server AssemblyQuanta, Wistron, InventecHigh
Networking EquipmentVarious ODMsHigh
Cooling ModulesAuras, Chaun-ChoungMedium-High
PCBVarious manufacturersMedium
Power SupplyDelta, Lite-OnMedium

Investment Considerations:

  • Cloud spending may fluctuate with the economy
  • AI demand may change supply chain structure
  • Geopolitical risks
  • This is for reference only, not investment advice

FAQ - Frequently Asked Questions

What is AWS?

AWS (Amazon Web Services) is Amazon's cloud computing platform, offering over 200 cloud services including computing, storage, databases, and AI. It lets businesses rent IT resources over the internet without building their own data centers.

What can AWS do?

AWS can host websites, run applications, store data, build databases, train AI models, perform big data analytics, and more. From personal blogs to large enterprise systems, everything can run on AWS.

Why choose AWS?

Main reasons for choosing AWS include:

  • #1 global market share, most mature ecosystem
  • Most comprehensive services, over 200 types
  • Best global infrastructure, 34 regions
  • Rich learning resources and community support

What's the relationship between AWS and Amazon?

AWS is a subsidiary of Amazon.com, both part of Amazon Group. Amazon.com is the e-commerce platform; AWS is the cloud services platform. Same brand but independent operations. Although AWS accounts for less revenue, it contributes over 60% of Amazon's profits.

How does AWS charge?

AWS primarily uses a "pay-as-you-go" model. Different services have different pricing:

  • EC2: Charged by runtime (hourly or per-second)
  • S3: Charged by storage capacity and request count
  • Lambda: Charged by request count and compute time

You can also get discounts through Reserved Instances or Savings Plans.

Does AWS have a free tier?

Yes. AWS Free Tier offers three types of free options:

  • Always Free: Lambda 1 million requests/month, DynamoDB 25GB storage, etc.
  • 12-Month Free: New accounts get EC2 t2.micro 750 hours/month, S3 5GB storage, etc.
  • Trials: Some services offer short-term free trials

How do I calculate AWS costs?

Use the AWS Pricing Calculator (calculator.aws) to estimate costs. Select services, configure specifications and usage, and see monthly estimates. You can also view actual spending in AWS Cost Explorer after enabling services.

What AWS certifications are available?

AWS certifications span four levels:

  • Foundational: Cloud Practitioner, AI Practitioner
  • Associate: Solutions Architect Associate, Developer Associate, SysOps Administrator Associate
  • Professional: Solutions Architect Professional, DevOps Engineer Professional
  • Specialty: Advanced Networking, Security, Machine Learning, etc. (6 total)

Are AWS certifications worth it?

They're valuable for those wanting to enter cloud computing. AWS-certified professionals earn 15-25% more on average, and certifications are a plus when job hunting. But certifications can't replace hands-on experience—both together provide maximum value.

Does AWS have local offices?

Yes. AWS has offices in major cities worldwide handling sales, technical support, and marketing for local markets. Data center locations vary by region—check AWS's global infrastructure page for current availability.

Who are AWS partners?

AWS has an extensive partner network globally, including:

  • Consulting Partners: Help with cloud strategy and implementation
  • Technology Partners: Provide software solutions that work with AWS
  • Managed Service Providers: Handle ongoing AWS operations

Working with partners can provide local support, invoicing, and potentially additional discounts.


Next Steps

By now, you should have a comprehensive understanding of AWS. Your next actions depend on your needs:

If you want to start using AWS:

  1. Register an AWS account and activate Free Tier
  2. Start learning EC2, S3, IAM
  3. Build a small project (like hosting a WordPress website)

If you want AWS certification:

  1. Start with Cloud Practitioner
  2. Use AWS Skill Builder free courses
  3. Practice with Tutorials Dojo mock exams

If you're an enterprise evaluating cloud:

  1. Assess current systems' cloud suitability
  2. Estimate initial costs and benefits
  3. Consider working with partners or consultants for planning

Need AWS professional advice?

Whether it's architecture design, cost optimization, or cloud migration, we can help. The CloudInsight team has years of AWS hands-on experience serving hundreds of enterprise clients.

Schedule a free consultation, tell us your needs, and we'll give you concrete, actionable advice.


Further Reading

AWS Core Service Tutorials

AWS Certification and Learning

AWS Pricing and Optimization

AWS Advanced Topics


Illustration: AWS Pricing Models Comparison Chart

Scene Description: AWS pricing models comparison chart. Four side-by-side blocks represent "On-Demand," "Reserved," "Savings Plans," and "Spot." Each block includes relative price position (shown as bar chart, On-Demand highest, Spot lowest), discount rate, and applicable scenarios. Clean white background with AWS orange as accent color.

Visual Focus:

  • Main content clearly presented

Required Elements:

  • Key elements as described

Required Text: None

Color Scheme: Professional, clear

Avoid: Abstract graphics, gears, glowing effects

Slug: aws-pricing-models-comparison

Illustration: AWS Certification Path Pyramid

Scene Description: AWS certification system pyramid chart. From bottom to top in four layers: Foundational (bottom, widest), Associate (second layer), Professional (third layer), Specialty (top layer). Each layer labels corresponding certification names. Arrows indicate recommended learning sequence. Overall blue-orange color scheme.

Visual Focus:

  • Main content clearly presented

Required Elements:

  • Key elements as described

Required Text: None

Color Scheme: Professional, clear

Avoid: Abstract graphics, gears, glowing effects

Slug: aws-certification-path


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