Lesson Learning Paths - Interview Prep
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Cloud Architect
Key Responsibilities:
Designing and implementing cloud solutions.
Ensuring scalability, reliability, and cost-efficiency.
Translating business requirements into technical solutions.
Key Lessons:
Infrastructure and Design Principles.
Security and Reliability: Identity management and fault tolerance.
Multi-Account Strategy Overview:
Design Principles and Core Concepts.
AWS Organizations Features (SCPs, Tag Policies).
Real-world integrations of AWS services across layers.
Preparation Path:
Core Areas:
Application Architecture: AWS Well-Architected Framework pillars.
Multi-Account Strategy Overview: Governance and scalability strategies.
AWS Service by Layer: Understanding how layers interact.
Skills to Highlight:
Designing multi-tier applications and fault-tolerant architectures.
Optimizing performance and cost across AWS services.
Implementing disaster recovery and multi-region setups.
Mock Question:
How would you design a fault-tolerant, scalable architecture for a high-traffic e-commerce platform?
DevOps Engineer
Key Responsibilities:
Automating deployment pipelines and infrastructure.
Ensuring system reliability and performance.
Managing CI/CD and monitoring frameworks.
Key Lessons:
Core Microservices DevOps Application:
CI/CD Pipelines: CodePipeline, CodeBuild, CodeDeploy.
Infrastructure Automation: CloudFormation and Terraform.
Monitoring, Logging, and Observability Applications:
CloudWatch, X-Ray, and OpenSearch for performance monitoring.
Disaster Recovery:
Cross-region replication and automated failover.
Preparation Path:
Core Areas:
Core Microservices DevOps Application: CI/CD workflows, IaC tools.
Monitoring, Logging, and Observability Applications: AWS X-Ray, CloudWatch.
Disaster Recovery: Automated failover and cross-region replication.
Skills to Highlight:
Automating deployments using CodePipeline, Terraform, or CloudFormation.
Troubleshooting application performance issues.
Scaling dynamically using Auto Scaling and Elastic Load Balancers.
Mock Question:
How would you implement a CI/CD pipeline for deploying microservices to AWS?
Security Specialist
Key Responsibilities:
Protecting cloud infrastructure and ensuring compliance.
Setting up monitoring and automated threat detection.
Managing access control and data encryption.
Key Lessons:
Security Insights on AWS:
Automated Security Response on AWS.
Security Automation for AWS WAF.
Core Accounts Security Tooling:
Security Hub, GuardDuty, AWS Config.
Security and Reliability: Threat analysis and encryption.
Preparation Path:
Core Areas:
Core Accounts Security: IAM, GuardDuty, Security Hub.
Security Insights on AWS: Threat detection and compliance monitoring.
Core Microservices Well-Architected Design Framework Application: Security pillar.
Skills to Highlight:
Implementing IAM policies and network isolation (VPC, Security Groups).
Automating security compliance with AWS Config.
Encrypting sensitive data using AWS KMS.
Mock Question:
How would you secure an application running on AWS, ensuring GDPR compliance?
Site Reliability Engineer (SRE)
Key Responsibilities:
Maintaining system reliability and uptime.
Monitoring and troubleshooting production systems.
Implementing disaster recovery and fault-tolerant designs.
Key Lessons:
Service Level Objectives (SLOs) and Resilience.
Observability: CloudWatch ServiceLens, X-Ray.
Disaster Recovery:
Multi-region setups and failover strategies.
Automating recovery actions using AWS Systems Manager.
Preparation Path:
Core Areas:
Core Microservices SRE: Observability, SLOs, and fault tolerance.
Disaster Recovery and Resilience: Ensuring high availability.
Incident Response: Proactive monitoring and real-time alerting.
Skills to Highlight:
Designing systems with high availability using multi-AZ and multi-region.
Monitoring health and dependencies with CloudWatch and X-Ray.
Automating incident response with SNS and Systems Manager.
Mock Question:
How would you handle a sudden spike in traffic that causes application latency to increase?
SysOps Administrator
Key Responsibilities:
Managing cloud infrastructure and ensuring operational efficiency.
Monitoring system health and performance.
Automating repetitive operational tasks.
Key Lessons:
SharedServices and LogArchive accounts for centralized logging.
Monitoring, Logging, and Observability Applications:
Key metrics and alerting.
Operational Excellence and Performance.
Preparation Path:
Core Areas:
Core Accounts: Shared services, centralized logging.
Monitoring, Logging, and Observability Applications: CloudWatch, OpenSearch Dashboards.
Operational Excellence: Performance and cost optimization techniques.
Skills to Highlight:
Setting up logging and monitoring systems.
Automating routine tasks using Systems Manager.
Optimizing resource utilization with cost-saving techniques.
Mock Question:
How would you optimize costs for an AWS account with multiple EC2 instances and data processing workloads?
General Interview Preparation Tips
Scenario-Based Questions: Be prepared to discuss real-world AWS implementations and troubleshoot challenges.
Service Comparisons: Know when to use EC2 vs. Lambda, RDS vs. DynamoDB, or other similar services.
Cost Optimization: Be ready to justify cost-saving strategies like S3 Intelligent-Tiering or DynamoDB On-Demand.
Best Practices: Familiarize yourself with AWS Well-Architected Framework and its pillars.
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