☁️ Cloud Certification Preparation Hub
AWS • Azure • GCP • Complete Exam Syllabus • Study Paths • Expert Tips
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Amazon Web Services (AWS) offers role-based certifications validating cloud expertise. The Solutions Architect path is most popular for infrastructure design.
⏱️ Exam Duration: 130 minutes ๐ Score Range: 100-1000 (Pass: 720) ๐️ Validity: 3 years๐ก Tip: Start with Cloud Practitioner if new to cloud, then progress to Associate → Professional levels.
- IAM: Users, Groups, Roles, Policies, MFA
- Encryption: KMS, CloudHSM, S3 SSE, EBS encryption
- Network Security: Security Groups, NACLs, WAF, Shield
- Compliance: AWS Config, CloudTrail, GuardDuty
- Shared Responsibility Model understanding
- High Availability: Multi-AZ, Auto Scaling, ELB
- Disaster Recovery: Backup strategies, pilot light, warm standby
- Fault Tolerance: Decoupling with SQS/SNS, retries, circuit breakers
- Storage Resilience: S3 versioning, cross-region replication
- Compute Optimization: Right-sizing, instance types, Spot vs Reserved
- Storage Performance: EBS volume types, S3 storage classes, CloudFront
- Database Performance: RDS read replicas, DynamoDB DAX, ElastiCache
- Networking: VPC peering, Direct Connect, Global Accelerator
- Pricing Models: On-Demand, Reserved, Spot, Savings Plans
- Cost Monitoring: Cost Explorer, Budgets, Trusted Advisor
- Resource Optimization: Auto Scaling, serverless (Lambda, Fargate)
- Data Transfer Costs: Understanding egress charges, CloudFront caching
Microsoft Azure certifications follow a role-based structure. The AZ-104 (Administrator) and AZ-305 (Solutions Architect) are most in-demand for infrastructure roles.
⏱️ Exam Duration: 120 minutes ๐ Score Range: 1-1000 (Pass: ~700) ๐️ Validity: 1 year (renew free)๐ก Tip: Azure Fundamentals (AZ-900) is excellent starting point before Associate level exams.
- Azure AD: Users, Groups, Roles, MFA, Conditional Access
- Subscriptions & Management Groups: Hierarchy, policies, RBAC
- Cost Management: Budgets, alerts, Advisor recommendations
- Compliance: Azure Policy, Blueprints, Locks
- Storage Accounts: Types, replication, access tiers
- Azure Files & File Sync: SMB/NFS shares, hybrid sync
- Blob Storage: Lifecycle management, immutability, CDN
- Disks: Managed disks, encryption, snapshots, backups
- Virtual Machines: Creation, sizing, availability sets/zones
- Containers: ACI, AKS basics, container instances
- App Services: Web Apps, Functions, deployment slots
- Automation: ARM templates, Bicep, Azure CLI/PowerShell
- VNets: Subnets, peering, service endpoints, private link
- Network Security: NSGs, ASGs, Azure Firewall, DDoS
- Load Balancing: Azure LB, Application Gateway, Traffic Manager
- Hybrid Connectivity: VPN Gateway, ExpressRoute, Virtual WAN
- Monitoring: Azure Monitor, Log Analytics, Application Insights
- Alerts & Actions: Metric alerts, action groups, auto-remediation
- Backup & Recovery: Azure Backup, Site Recovery, restore strategies
- Troubleshooting: Diagnostic settings, network watcher, support tickets
Google Cloud Platform (GCP) certifications emphasize hands-on skills and architectural thinking. The Professional Cloud Architect is the flagship certification for design roles.
⏱️ Exam Duration: 120 minutes ๐ Score: Pass/Fail (no numeric score) ๐️ Validity: 2 years๐ก Tip: GCP exams are scenario-based; focus on understanding trade-offs, not just memorizing services.
- Business Requirements: TCO analysis, ROI, compliance mapping
- Solution Design: Microservices, serverless, hybrid/multi-cloud
- Migration Strategy: Lift-and-shift, re-architect, replatform decisions
- Future-Proofing: Scalability, extensibility, technology evolution
- Compute: GCE instance types, managed instance groups, GKE
- Storage: Cloud Storage classes, Persistent Disk, Filestore
- Networking: VPC design, Cloud Load Balancing, Cloud CDN
- Management: Deployment Manager, Terraform, Config Connector
- Identity: IAM roles, service accounts, Workload Identity
- Security: CMEK, Secret Manager, Security Command Center
- Compliance: Data residency, audit logging, policy enforcement
- Network Security: Firewall rules, VPC Service Controls, Private Google Access
- Cost Optimization: Committed use discounts, preemptible VMs, rightsizing
- Performance: Monitoring with Cloud Monitoring, profiling, caching
- Reliability: SLOs/SLIs, error budgets, chaos engineering
- Process Improvement: CI/CD, GitOps, infrastructure as code
- Deployment: Blue/green, canary, feature flags
- Testing: Load testing, penetration testing, disaster recovery drills
- Operations: Incident response, runbooks, SRE practices
- Handoff: Documentation, training, knowledge transfer
| Factor | AWS | Azure | GCP |
|---|---|---|---|
| Market Share | ~32% (Leader) | ~23% (Growing) | ~10% (Niche) |
| Best For | Startups, enterprises, broad services | Microsoft shops, hybrid cloud, enterprise | Data/AI/ML, Kubernetes, modern apps |
| Learning Curve | Moderate (vast services) | Moderate (familiar for Windows admins) | Steeper (opinionated, CLI-focused) |
| Certification Style | Multiple choice + scenario | Case studies + multiple choice | Scenario-based, no numeric score |
| Free Tier | 12 months + always free | $200 credit + always free | $300 credit + always free |
- Hands-On First: Theory isn't enough—build real projects in each platform's free tier.
- Focus on Concepts: Understand why to use a service, not just how.
- Practice Exams: Use reputable question banks to identify weak areas.
- Join Communities: Reddit, Discord, and local meetups provide support and insights.
- Document Your Journey: Blogging or note-taking reinforces learning and builds your portfolio.
- Stay Updated: Cloud services evolve rapidly—follow official blogs and release notes.
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