AWS Cloud Practitioner Essentials T1.3
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Questions and Answers

What is one benefit of using the AWS Cloud Adoption Framework (CAF) regarding operational efficiency?

  • Increases manual processes to enhance service delivery.
  • Eliminates the need for cloud strategy management.
  • Reduces overhead by employing managed services. (correct)
  • Encourages dependency on physical servers.

    • How does the AWS Cloud Adoption Framework (CAF) contribute to improved Environmental, Social, and Governance (ESG) performance?

  • By encouraging the use of non-renewable energy sources.
  • By establishing stricter compliance regulations.
  • By promoting the expansion of on-premises data centers.
  • By utilizing energy-efficient data centers powered by renewable energy. (correct)

    • Which perspective of the AWS Cloud Adoption Framework focuses on ensuring compliance and risk management?

  • Governance (correct)
  • Platform
  • People
  • Business

    • What role does the 'People' perspective play in the AWS Cloud Adoption Framework?

    <p>Preparing teams for cloud adoption through training and culture shifts.</p> Signup and view all the answers

    Which AWS service is an example of optimizing operational processes in cloud environments?

    <p>Amazon CloudWatch</p> Signup and view all the answers

    What is a primary goal of aligning cloud investments with business outcomes within the AWS Cloud Adoption Framework?

    <p>To establish a clear connection between technology upgrades and business performance.</p> Signup and view all the answers

    Which AWS service example is associated with rapid deployment of web applications?

    <p>AWS Elastic Beanstalk</p> Signup and view all the answers

    What risk management strategy does the AWS Cloud Adoption Framework typically implement?

    <p>Identifying potential risks such as data loss or downtime.</p> Signup and view all the answers

    In which scenario would AWS IAM be particularly beneficial?

    <p>When protecting data and applications during migration.</p> Signup and view all the answers

    Which migration strategy is best suited for moving a legacy application to the cloud with minimal changes?

    <p>Rehosting</p> Signup and view all the answers

    What is a primary benefit of using AWS Application Migration Service (MGN)?

    <p>It simplifies 'lift and shift' migrations.</p> Signup and view all the answers

    Which method is most appropriate for minimizing downtime during a database migration to AWS?

    <p>Database Replication</p> Signup and view all the answers

    For which type of migration is the AWS Schema Conversion Tool (SCT) utilized?

    <p>Heterogeneous migration</p> Signup and view all the answers

    In the context of cloud migration, what is the primary purpose of AWS's Trusted Advisor?

    <p>To provide recommendations on cost savings and performance optimization.</p> Signup and view all the answers

    Which migration strategy would you choose to replace a self-managed database with a SaaS solution?

    <p>Repurchasing</p> Signup and view all the answers

    What is the most effective way for a company with limited bandwidth to transfer 50 TB of data to AWS?

    <p>Utilize AWS Snowball for mid-to-large scale data transfer.</p> Signup and view all the answers

    What is NOT considered a benefit of migrating to AWS Cloud?

    <p>Guaranteed uptime without any maintenance.</p> Signup and view all the answers

    Which strategy allows an organization to keep some applications on-premises due to compliance concerns?

    <p>Retaining</p> Signup and view all the answers

    For scaling applications during peak traffic periods, which AWS service is primarily used?

    <p>Auto Scaling</p> Signup and view all the answers

    Study Notes

    AWS Cloud Adoption Framework (CAF)

    • The AWS Cloud Adoption Framework (CAF) is a set of best practices, tools, and guidance to ensure smooth migration to and operation in the AWS Cloud, aligning with business goals and technical requirements.
    • CAF offers multiple benefits including:
      • Reduced Business Risk: Identifies and mitigates potential risks (e.g., data loss, downtime, security, compliance).
      • Improved ESG Performance: Reduces carbon footprint by leveraging renewable energy.
      • Increased Revenue: Accelerates product development and deployment, enabling quicker market entry and service launches.
      • Increased Operational Efficiency: Automates manual processes via tools like AWS Systems Manager and AWS Lambda and optimizes resource utilization through managed services.
    • CAF perspectives comprise six key areas for migration guidance:
      • Business: Aligning cloud investments with business outcomes (e.g., portfolio management, strategy).
      • People: Preparing teams for cloud adoption through training and culture shifts (e.g., upskilling).
      • Governance: Ensuring compliance, financial accountability, and risk management (e.g., using AWS Config for compliance monitoring).
      • Platform: Guiding cloud architecture design for scalability and security (e.g., using AWS CloudFormation).
      • Security: Protecting data and applications before and after migration (e.g., using AWS IAM and Amazon GuardDuty).
      • Operations: Optimizing operational processes for cloud environments (e.g., monitoring using Amazon CloudWatch).

    Cloud Migration Strategies (6 Rs)

    • AWS outlines six common migration strategies:
      • Rehosting (Lift and Shift): Moving applications to AWS with minimal changes (e.g., AWS Application Migration Service (MGN)). Suitable for legacy applications needing quick migration.
      • Replatforming (Lift, Tinker, and Shift): Moving applications to AWS with minor optimizations (e.g., using Amazon RDS). Suitable to boost performance without a full re-architecture.
      • Repurchasing: Replacing applications with SaaS solutions (e.g., replacing a custom CRM with Salesforce). Ideal for reducing maintenance costs and complexity of custom applications.
      • Refactoring/Re-architecting: Rebuilding applications leveraging cloud-native features (e.g., converting a monolithic application to microservices using AWS Lambda). Ideal for applications demanding enhanced scalability or modernization.
      • Retire: Decommissioning obsolete or redundant applications to reduce costs.
      • Retain: Keeping some applications on-premises (due to compliance or other constraints). Best for applications unsuitable or unprepared for immediate migration.

    Resources for Cloud Migration

    • AWS Migration Hub: Centralized dashboard for tracking migration progress and integrating with other migration tools.
    • AWS Application Migration Service (MGN): Facilitates "lift and shift" migrations by converting on-premises workloads to AWS-compatible formats.
    • AWS Database Migration Service (DMS): Migrates databases to AWS with minimal downtime, supporting both homogeneous and heterogeneous migrations.
    • AWS Schema Conversion Tool (SCT): Converts database schemas for heterogeneous migrations (e.g., migrating from Oracle to PostgreSQL).
    • AWS Snowcone/Snowball/Snowmobile: Physical devices for data transfer. Snowcone (smaller datasets), Snowball (mid-to-large), Snowmobile (massive datasets, ideal for full data center transfers).
    • AWS Well-Architected Tool: Evaluates workloads against AWS best practices for enhanced reliability, security, and cost efficiency.
    • AWS Trusted Advisor: Automates recommendations for security, cost savings, and performance optimization.

    Database Migration Strategies

    • Database Replication: Uses AWS DMS for real-time data replication from on-premises to AWS to minimize downtime.
    • Backup and Restore: Creates a database snapshot and restores it in AWS for simpler migrations.
    • Homogeneous Migration: Migrates databases with the same engine (e.g., MySQL to Amazon RDS MySQL).
    • Heterogeneous Migration: Conveys data and schemas for different database engines (e.g., converting from Oracle to an Amazon Aurora PostgreSQL database using SCT).

    Benefits of AWS Cloud Migration

    • Scalability: Auto Scaling tools allow automatic resource scaling for peak demand, avoiding over-provisioning.
    • Cost Efficiency: Pay-as-you-go pricing, cost-saving options like Spot Instances or Reserved Instances
    • Global Reach: Deploy applications closer to users with global AWS Regions and Availability Zones.
    • Security and Compliance: Leverage AWS tools (e.g., IAM, AWS Shield, CloudTrail) to address security and compliance needs.
    • Business Continuity: Multi-AZ or multi-region deployments for disaster recovery solutions.

    Real-World Migration Scenarios

    • Scenario 1 (Online Retailer Scaling): Scaling during holiday traffic surges by automating EC2 instances and leveraging Amazon RDS read replicas.
    • Scenario 2 (Data Center Migration): Moving large datasets using a physical AWS Snowball device.
    • Scenario 3 (Modernizing Applications): Modernizing monolithic applications into a microservice architecture on AWS.

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