Cloud Concepts

Question 1

RDS Multi-AZ

Answer 1

• Provides high availability for RDS databases.
• Creates a primary and standby instance in different AZs.
• Automatic failover to standby during an outage.
• Maintains the same database endpoint during failover.

Question 2

AWS Elastic Beanstalk

Answer 2

• Managed service for deploying and scaling web applications
• Handles provisioning, load balancing, scaling, and monitoring
• Supports multiple languages like Java, .NET, PHP, Node.js, Python, Ruby, and Go
• Ideal for developers who want to focus on code, not infrastructure
• Integrates easily with other AWS services like RDS, S3, and CloudWatch for full-stack solutions

Question 3

RDS Read Replica

Answer 3

• Creates read-only copies of a primary RDS database.
• Useful for scaling read-heavy workloads.
• Synchronous replication with the primary DB.
• Requires manual promotion for failover.

Question 4

AWS CloudFormation

Answer 4

• Infrastructure as Code (IaC) service for automating AWS resource provisioning
• Uses declarative JSON or YAML templates for consistent, repeatable deployments
• Supports a wide range of AWS services like EC2, RDS, and S3
• Enables efficient scaling, updating, and rollback of infrastructure
• Ideal for replicating complex environments quickly and securely

Question 5

AWS Cloud Adoption Framework (CAF) – Perspectives

These help identify gaps and guide transformation across areas of an organization.

Answer 5

• Business – Aligns IT with business goals; focuses on value realization.
• People – Focuses on organizational structure, roles, skills, and training.
• Governance – Helps with cloud strategy, compliance, and risk management.
• Platform – Covers cloud architecture, infrastructure, and engineering processes.
• Security – Addresses security controls, policies, and threat detection.
• Operations – Ensures ongoing cloud operations, monitoring, and support.

Question 6

AWS Cloud Adoption Journey – Phases

These are the steps AWS suggests orgs follow to successfully adopt the cloud.

Answer 6

• Envision – Identify and prioritize transformation opportunities aligned with strategic objectives.
• Align – Identify capability gaps and create strategies to improve cloud readiness and stakeholder alignment.
• Launch – Deliver pilot initiatives in production and demonstrate incremental business value.
• Scale – Expand pilots to full production and ensure sustained business benefits from cloud investments.

Question 7

AWS Well-Architected Framework – Pillars

Answer 7

• Operational Excellence – Run and monitor systems to deliver business value.
• Security – Protect information, systems, and assets.
• Reliability – Ensure workloads perform as intended and recover quickly.
• Performance Efficiency – Use resources efficiently to meet system requirements.
• Cost Optimization – Avoid unnecessary costs.
• Sustainability – Minimize environmental impact through efficient resource use.