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Cloud Concepts

358 soru

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Soru 101Soru →

An application administrator notices that one of the virtual servers in their fleet is experiencing performance degradation. Instead of spending time troubleshooting the server, the administrator terminates it and lets the system automatically launch a new instance from a pre-defined template. Which AWS Cloud design principle does this practice demonstrate?

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Cevap: Disposable resources instead of fixed servers

Cevap

Disposable resources instead of fixed servers
The correct answer is correct because treating resources as disposable means that instead of spending resources to troubleshoot, patch, and maintain a failing or degraded virtual server, you terminate the instance and launch a clean one from a standard template. This ensures consistency, reduces downtime, and aligns with the AWS design principle of using disposable resources instead of fixed servers.

Adım Adım Çözüm

1
Analyze the administrator's action of terminating a degraded server and replacing it automatically with a clean template, rather than repairing it.
Identify that the server is treated as temporary and replaceable (disposable) rather than a fixed asset that must be maintained and repaired.
To determine how this operational approach relates to standard cloud infrastructure design principles.
2
Map the identified behavior to the standard AWS Cloud design principles.
The practice matches the principle of 'Disposable resources instead of fixed servers' because the instance is terminated and replaced dynamically.
To select the correct design principle that matches this dynamic replacement pattern.

Anahtar Kavram

Treating servers as disposable resources instead of fixed, long-lived assets is a core AWS design principle that simplifies operations and improves reliability.
Soru 102Soru →

A mobile gaming company is preparing to launch a multiplayer game. The development team cannot accurately predict how many players will log in during the first week, and they want to avoid over-provisioning infrastructure that might sit idle or under-provisioning which could cause server crashes. Furthermore, the company's executive leadership wants the engineering team to focus entirely on game mechanics and player experience rather than procuring hardware, racking servers, and managing physical facilities.

Which of the following AWS Cloud benefits directly address these business and technical requirements? (Select TWO.)

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Cevap: Stop spending money running and maintaining data centers; Stop guessing capacity

Cevap

The correct benefits are 'Stop spending money running and maintaining data centers' and 'Stop guessing capacity'.
The scenario requires solving two problems: unpredictability of initial player adoption, and the overhead of managing hardware/facilities. The benefit of 'Stop guessing capacity' resolves the first problem by allowing dynamic scaling to match actual user demand. The benefit of 'Stop spending money running and maintaining data centers' resolves the second problem by offloading racking, stacking, and hardware maintenance tasks to AWS, letting engineers focus on game development.

Adım Adım Çözüm

1
Analyze the technical requirements of the development team
The team cannot predict player adoption rates and wants to avoid under-provisioning or over-provisioning.
This requirement aligns with the AWS Cloud benefit of 'Stop guessing capacity', which allows dynamic scaling to match real-time load.
2
Analyze the business requirements of executive leadership
The leadership wants the engineering team to focus on game development rather than physical hardware infrastructure tasks.
This requirement aligns with the AWS Cloud benefit of 'Stop spending money running and maintaining data centers', which offloads infrastructure management to AWS.
3
Evaluate the remaining choices against AWS core benefits and principles
The remaining options either invert the CapEx/OpEx benefit, promote single zone monolithic structures, or suggest manual pre-provisioning of hardware.
These options are incorrect because they represent common misconceptions of cloud economics, elasticity, and design principles.

Anahtar Kavram

The six core benefits of the AWS Cloud (specifically 'Stop guessing capacity' and 'Stop spending money running and maintaining data centers')
Tahmini Süre:2m 0s
Soru 103Soru →

A financial services company wants to reallocate its IT staff from tasks like managing power infrastructure, cooling systems, and physical hardware rack installations to focus on developing new customer-facing applications. Which benefit of the AWS Cloud directly supports this transition?

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Cevap: Stop spending money running and maintaining data centers

Cevap

Stop spending money running and maintaining data centers
The correct option is 'Stop spending money running and maintaining data centers'. By offloading physical infrastructure management (power, cooling, cabling, and racking) to AWS, organizations can redirect engineering resources toward developing core software applications.

Adım Adım Çözüm

1
Identify the current operational challenges described in the scenario.
The company is spending time and resources on power, cooling, and physical rack installations.
To determine which cloud benefit resolves these specific overhead tasks.
2
Match these challenges to the correct AWS Cloud benefit.
These activities are physical data center maintenance tasks, which map to stopping spending money running and maintaining data centers.
AWS manages the physical infrastructure so customers can focus on business projects instead of infrastructure operations.

Anahtar Kavram

Focusing business resources on value-adding activities instead of physical infrastructure maintenance by leveraging managed cloud services.
Tahmini Süre:45s
Soru 104Soru →

A genomic research institute, GenePulse, is migrating its legacy DNA sequencing analysis platform to AWS. The platform's application tier runs on legacy virtual machines, while its database tier uses a proprietary relational database that requires expensive licensing and intensive database administration. The institute wants to migrate to AWS to eliminate database licensing costs and minimize operational overhead, but it has strict timeline constraints that forbid modifying the application's core code or architecture. Which migration strategy should GenePulse adopt for this platform?

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Cevap: Replatforming

Cevap

Replatforming
Replatforming is the correct strategy because it allows the organization to achieve direct benefits (such as shifting from a self-managed database to a fully managed service to eliminate licensing fees and reduce admin overhead) without changing the core application logic or architecture.

Adım Adım Çözüm

1
Identify the migration goals and constraints in the scenario.
The goals are to eliminate proprietary database licensing fees and reduce administration overhead. The key constraint is that the application's core code or architecture cannot be modified.
Understanding both what the customer wants to achieve and what they cannot change is required to select the correct migration strategy.
2
Compare the requirements against the characteristics of the migration strategies.
Rehosting is rejected because it keeps the proprietary database. Refactoring is rejected because it requires code changes. Repurchasing is rejected because the custom application is kept. Replatforming fits because shifting to a managed database service (e.g., Amazon RDS or Aurora) eliminates proprietary licenses and reduces administrative tasks without rewriting application code.
Evaluating each strategy ensures the selected option satisfies all operational goals while respecting the constraints.

Anahtar Kavram

AWS Cloud Migration Strategies (6 Rs)
Tahmini Süre:2m 0s
Soru 105Soru →

A financial services company is launching a new credit scoring application. The company wants to avoid the high upfront costs of purchasing physical servers and networking equipment, preferring to pay for compute resources only as they are consumed during the development and testing phases. Which benefit of the AWS Cloud is directly demonstrated by this business decision?

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Cevap: Trading capital expense for variable expense

Cevap

Trading capital expense for variable expense
The correct answer is trading capital expense for variable expense. By using AWS, the company avoids the upfront capital expenditure (CapEx) of buying physical servers and networking hardware. Instead, they pay a variable operating expense (OpEx) that scales with their actual usage during development and testing.

Adım Adım Çözüm

1
Analyze the scenario requirements
The company wants to avoid high upfront costs (capital expenditures) for physical servers and pay only for the resources they consume as they go (variable operational expenses).
Identifying the financial shift from upfront hardware investment to pay-as-you-go pricing helps map the scenario to the correct AWS Cloud benefit.
2
Match the scenario to the 6 AWS Cloud benefits
The scenario aligns perfectly with the benefit of trading capital expense for variable expense.
AWS allows businesses to pay for what they use rather than investing heavily in physical data centers and servers before knowing how they will be used.

Anahtar Kavram

Trading capital expense for variable expense (CapEx to OpEx)
Soru 106Soru →

A financial services firm, WealthFlow, is planning to migrate its infrastructure to the AWS Cloud. The migration team has identified two specific workloads for the first phase:

* A legacy customer relationship management (CRM) system that requires significant maintenance. The team decides to replace it entirely with a cloud-native Software-as-a-Service (SaaS) platform.
* A core transaction processing application running on-premises virtual machines. The team wants to move this application to AWS quickly with minimal modifications to the code or architecture to meet a tight datacenter exit deadline.

Which migration strategies under the AWS Migration 6 Rs framework should the firm use for these workloads? (Select TWO.)

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Cevap: Repurchasing for the CRM system; Rehosting for the transaction processing application

Cevap

The firm should use Repurchasing for the CRM system and Rehosting for the transaction processing application.
The correct strategy for the legacy CRM system is Repurchasing because the firm is discarding the existing system to adopt a SaaS solution. The correct strategy for the transaction processing application is Rehosting because they are moving virtual machines to AWS with minimal modifications to speed up the datacenter exit.

Adım Adım Çözüm

1
Analyze the CRM system migration requirement
The team decided to replace the legacy CRM system entirely with a Software-as-a-Service (SaaS) platform, which corresponds to the Repurchasing strategy.
Repurchasing is defined as moving to a different product, typically a SaaS model.
2
Analyze the transaction processing application migration requirement
The team needs to migrate virtual machines quickly with minimal changes to meet a tight datacenter exit deadline, which corresponds to the Rehosting strategy.
Rehosting (lift-and-shift) involves migrating applications to the cloud without modifying their code or architecture, allowing for rapid migration.

Anahtar Kavram

AWS Migration strategies (6 Rs)
Soru 107Soru →

A logistics provider is migrating its package routing application to AWS. Currently, the company maintains its own data centers to handle holiday shipping surges, which leaves servers underutilized for the rest of the year. Additionally, their IT team spends a significant portion of their time managing physical hardware updates and power infrastructure instead of developing routing algorithms. Which of the following AWS Cloud benefits directly address these specific challenges? (Select two.)

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Cevap: Stop spending money running and maintaining data centers; Stop guessing capacity

Cevap

The correct answers are the benefits of stopping spending money running and maintaining data centers, and stopping guessing capacity.
The option about stopping spending money running and maintaining data centers directly addresses the logistics provider's struggle with managing physical hardware updates and power infrastructure. The option about stopping guessing capacity addresses the challenge of seasonal surges, preventing underutilized infrastructure during the rest of the year.

Adım Adım Çözüm

1
Identify the primary operational pain points in the scenario: managing physical hardware/power infrastructure, and paying for idle server capacity during off-peak times.
Two distinct areas of inefficiency: physical data center management and rigid capacity provisioning.
These challenges map directly to standard AWS Cloud benefits.
2
Align the physical infrastructure challenge with the correct AWS benefit.
The effort spent on hardware and power is addressed by stopping spending money running and maintaining data centers.
AWS manages the physical infrastructure, freeing up IT resources.
3
Align the capacity underutilization challenge with the correct AWS benefit.
The challenge of holiday surges and idle resources is solved by stopping guessing capacity.
Elastic scaling allows resources to automatically match demand rather than relying on upfront capacity guesses.

Anahtar Kavram

Benefits of the AWS Cloud
Soru 108Soru →

A manufacturing enterprise, StellarFab, is planning to migrate its application portfolio to the AWS Cloud. The migration team is evaluating two specific workloads:

1. A legacy Enterprise Resource Planning (ERP) application that they want to completely replace with a cloud-based Software as a Service (SaaS) platform.
2. A database-backed inventory application that they want to migrate to AWS. To reduce operational overhead, they plan to move the database to Amazon RDS without modifying the application's core code.

Which two migration strategies are being described for these workloads?

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Cevap: Repurchasing; Replatforming

Cevap

Repurchasing and Replatforming are the two correct migration strategies.
The manufacturing company is using Repurchasing for the ERP application by replacing it with a cloud-based SaaS platform. They are using Replatforming for the database-backed inventory application by moving it to Amazon RDS to reduce operational overhead without modifying the application code.

Adım Adım Çözüm

1
Analyze the first workload requirement: The legacy Enterprise Resource Planning (ERP) application is being replaced by a cloud-based Software as a Service (SaaS) platform.
Identify that replacing an existing application with a different product (like SaaS) corresponds to the Repurchasing strategy.
Repurchasing is defined as moving to a different product, often a SaaS platform.
2
Analyze the second workload requirement: The database-backed inventory application is being moved to Amazon RDS to reduce operational overhead without modifying the core code.
Identify that migrating a database to a managed service like Amazon RDS without modifying the application code is a Replatforming strategy.
Replatforming (lift-tinker-and-shift) involves making minor optimization adjustments, such as using managed services, without changing the application's underlying architecture.

Anahtar Kavram

Identifying AWS migration strategies (6 Rs)
Tahmini Süre:1m 0s
Soru 109Soru →

A SaaS company is designing a real-time telemetry processing platform for autonomous utility grids. The platform must process streams of incoming sensor data, validate the data payloads, and store the validated data for downstream analytics. The engineering team wants to implement an architecture that adheres to the AWS design principles of 'loose coupling' and 'services, not servers' to minimize operational maintenance and prevent data loss during traffic spikes.

Which TWO architectural decisions should the team implement to align with these design principles? (Select TWO.)

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Cevap: Ingest and queue the data streams using Amazon Simple Queue Service (Amazon SQS) queues between the ingestion and processing layers.; Deploy a serverless data processing pipeline using AWS Lambda functions that write results directly to Amazon DynamoDB.

Cevap

Ingest and queue the data streams using Amazon Simple Queue Service (Amazon SQS) queues between the ingestion and processing layers, and deploy a serverless data processing pipeline using AWS Lambda functions that write results directly to Amazon DynamoDB.
The correct architecture uses Amazon SQS to queue messages, which ensures that the ingestion and processing components are loosely coupled and can scale or fail independently without losing data. Additionally, using AWS Lambda and Amazon DynamoDB leverages the 'services, not servers' principle, allowing the company to build and run applications without the operational burden of provisioning and managing virtual servers.

Adım Adım Çözüm

1
Analyze the requirements for 'loose coupling' to find a solution that reduces interdependencies between components.
Amazon SQS acts as a message broker that decouples layers, allowing the processing layer to consume messages at its own pace without affecting the ingestion layer.
This isolates layers, satisfying the loose coupling principle.
2
Analyze the requirements for 'services, not servers' to find solutions that offload system administration.
AWS Lambda and Amazon DynamoDB are fully managed, serverless services that do not require provisioning, configuring, or managing virtual servers.
This satisfies the services, not servers principle by offloading operational overhead to AWS.
3
Evaluate the distractors against these principles to confirm why they are incorrect.
Monolithic architectures, hardcoded IP addresses, and manual vertical scaling of EC2 instances introduce tight coupling and significant administrative overhead.
These options are anti-patterns that contradict the target AWS design principles.

Anahtar Kavram

AWS Cloud design principles focus on loose coupling (reducing interdependencies between components) and services, not servers (using managed/serverless offerings to minimize operational overhead).
Soru 110Soru →

A company runs a retail website on AWS. During updates, the operations team manually logs into Amazon EC2 instances to update software packages and configuration files. This manual process has caused configuration drift, leading to intermittent application failures across different servers. To fix this, the team decides to use AWS CloudFormation to automatically provision new, identical EC2 instances from a pre-configured Amazon Machine Image (AMI) for every deployment, and terminate the old ones. Which AWS Cloud design principle is demonstrated by this new deployment strategy?

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Cevap: Disposable resources, by replacing configuration-drifted servers with newly bootstrapped, standardized instances instead of updating them in place.

Cevap

Disposable resources, by replacing configuration-drifted servers with newly bootstrapped, standardized instances instead of updating them in place.
The strategy of terminating old servers and launching new, identical instances using automated templates (AWS CloudFormation) and pre-configured images (AMIs) demonstrates the principle of disposable resources. In cloud computing, resources should be treated as temporary and easily replaceable, which prevents configuration drift and ensures consistency across environments.

Adım Adım Çözüm

1
Identify the core problem described in the scenario.
The operations team is experiencing configuration drift and application failures due to manual, in-place server updates.
Understanding the problem helps identify which cloud design pattern directly addresses it.
2
Analyze the proposed solution.
The team will use AWS CloudFormation to automatically spin up new instances using a standard AMI and terminate the old ones.
This shows the team is moving away from maintaining long-running, manually updated servers and instead programmatically replacing them.
3
Map the solution to AWS cloud design principles.
Replacing resources programmatically rather than updating them in place corresponds to the design principle of 'disposable resources instead of fixed servers'.
This aligns with the AWS Well-Architected Framework recommendation to treat infrastructure as temporary and easily replaceable.

Anahtar Kavram

Disposable resources instead of fixed servers
Soru 111Soru →

An agricultural technology company processes petabytes of multispectral satellite imagery to monitor crop health. The data processing workloads spike significantly during harvest seasons, while resource utilization remains extremely low during winter. The company's chief technology officer wants to focus engineering resources on developing crop analytics algorithms rather than managing physical hypervisors, cooling systems, and power grids. Additionally, the company seeks to benefit from the aggregated customer usage in the cloud to achieve lower pay-as-you-go pricing for storage. Which two AWS Cloud benefits directly address these business requirements? (Select TWO.)

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Cevap: Benefit from massive economies of scale; Stop spending money running and maintaining data centers

Cevap

Benefit from massive economies of scale & Stop spending money running and maintaining data centers
The scenario highlights two distinct needs: offloading physical infrastructure management and gaining cost efficiency through aggregated vendor volume. Offloading hypervisor and facility maintenance directly maps to the benefit of stopping spending money running and maintaining data centers. Obtaining lower pay-as-you-go prices through aggregate cloud usage maps to the benefit of benefiting from massive economies of scale.

Adım Adım Çözüm

1
Analyze the scenario requirements regarding physical operations.
The requirement to eliminate the need for managing physical hardware, cooling, and power facilities maps to stopping spending money running and maintaining data centers.
This benefit offloads physical facility management to AWS so that the organization can focus on core business applications.
2
Analyze the scenario requirements regarding cost optimization and aggregate cloud usage.
The requirement to achieve lower pay-as-you-go pricing through aggregated usage maps to benefiting from massive economies of scale.
AWS aggregates usage from hundreds of thousands of customers, enabling higher purchasing power and translating it into lower pay-as-you-go prices.
3
Review options and eliminate distractors.
Options that propose inverting variable and capital expenses, using static peak capacity planning, or deploying monolithic architectures on dedicated hardware are identified as incorrect and eliminated.
These distractors represent common misconceptions about cloud economics, capacity planning, and architectural best practices.

Anahtar Kavram

Define the benefits of the AWS Cloud
Soru 112Soru →

An enterprise is migrating its legacy document-indexing application to AWS. The application currently runs on a cluster of self-managed virtual machines that parse uploaded files, extract text, and index the content into a local database. The migration team's initial plan is to deploy a fleet of Amazon EC2 instances in an Auto Scaling group, running a self-managed search index cluster on those instances. A solutions architect reviews this plan and recommends replacing the self-managed search index cluster with Amazon OpenSearch Service, and using AWS Lambda to trigger the parsing and indexing process directly from Amazon S3 uploads. Which design principle of the AWS Cloud is the architect primarily advocating for by recommending Amazon OpenSearch Service and AWS Lambda over self-managed EC2 instances?

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Cevap: Services not servers

Cevap

Services not servers
The correct answer is 'Services not servers'. This design principle encourages utilizing managed services (such as Amazon OpenSearch Service) and serverless technologies (such as AWS Lambda) to offload the operational burden of provisioning, configuring, patching, and securing physical servers and operating systems. This allows the organization to focus on writing code and developing features rather than managing infrastructure.

Adım Adım Çözüm

1
Analyze the migration team's initial architecture.
The initial design relies on Amazon EC2 instances running self-managed virtual servers and a self-managed search cluster.
Understanding the baseline helps identify what operational overhead is present.
2
Evaluate the solutions architect's proposed recommendations.
The architect suggests using Amazon OpenSearch Service (a managed service) and AWS Lambda (a serverless service) instead of self-managed virtual machines.
Identifying the target services determines the operational model transition.
3
Map the change in operational model to AWS Cloud design principles.
Moving from self-managed servers on EC2 to fully managed and serverless offerings directly shifts administrative tasks (like OS patching, server provisioning, and cluster management) to AWS, which represents the principle of 'services not servers'.
This links the architecture recommendation to the correct design principle.

Anahtar Kavram

The AWS Cloud design principle of 'services not servers' encourages organizations to leverage managed services and serverless architectures to minimize administrative overhead and focus on business logic rather than infrastructure maintenance.
Soru 113Soru →

ApexLogistics Group is evaluating its on-premises application portfolio in preparation for a migration to the AWS Cloud. The migration team has identified the following two workloads:

* A commercial third-party fleet tracking system that the team wants to deprecate in favor of a modern Software-as-a-Service (SaaS) alternative purchased through the AWS Marketplace.
* An archive database used for a closed business unit that has no active users and is no longer needed by any department.

Which migration strategies should the company select for these workloads? (Select TWO.)

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Cevap: Repurchasing; Retiring

Cevap

The correct strategies are repurchasing and retiring.
The correct strategies are repurchasing and retiring. Replacing an existing custom or third-party application with a SaaS product from the AWS Marketplace represents a repurchasing strategy. Shutting down an unused, unneeded archive database represents a retiring strategy.

Adım Adım Çözüm

1
Analyze the migration plan for the fleet tracking system
The fleet tracking system is being replaced by purchasing a third-party SaaS alternative via AWS Marketplace, which corresponds to the Repurchasing migration strategy.
The repurchasing strategy involves discarding the existing software and switching to a new product, commonly a cloud-based SaaS platform.
2
Analyze the migration plan for the archive database
The database belongs to a closed business unit, is no longer needed, and has no active users, which corresponds to the Retiring migration strategy.
The retiring strategy involves turning off and decommissioning applications that are no longer useful to simplify the cloud portfolio and reduce maintenance costs.

Anahtar Kavram

Cloud migration strategies (6 Rs)
Soru 114Soru →

A company is designing an online retail platform on AWS and wants to ensure that a failure in the payment processing component does not disrupt the product browsing or shopping cart services. Which of the following design choices follow AWS Cloud design principles to achieve this requirement? (Select TWO.)

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Cevap: Deploying Amazon Simple Queue Service (Amazon SQS) to decouple the checkout system from the backend payment processing service; Implementing a microservices architecture where services communicate via standard web APIs

Cevap

Deploying Amazon Simple Queue Service (Amazon SQS) to decouple the checkout system from the backend payment processing service, and implementing a microservices architecture where services communicate via standard web APIs
AWS Cloud architecture principles emphasize loose coupling, which minimizes dependencies between systems. Deploying Amazon Simple Queue Service (Amazon SQS) acts as a buffer between components, preventing failures in the downstream payment processor from impacting upstream checkout functions. Similarly, a microservices architecture communicates over web APIs, isolating services so that issues in one do not disrupt the availability of others.

Adım Adım Çözüm

1
Identify the primary requirement: preventing a failure in one component from taking down other components.
This requirement aligns with the AWS Cloud design principle of loose coupling and isolation of failures.
By reducing dependencies between components, system reliability and resilience are enhanced.
2
Evaluate the choices to find which options promote decoupling.
Using message queues like Amazon SQS and building a microservices architecture using APIs are standard patterns to achieve loose coupling.
These solutions separate boundaries of responsibility and failure between components.

Anahtar Kavram

Loose Coupling and Decoupling Components
Soru 115Soru →

A real estate agency, ApexHomes, is migrating its legacy on-premises customer relationship management (CRM) system to the AWS Cloud. The agency decides to decommission the custom legacy software and transition to a commercially available Software-as-a-Service (SaaS) CRM platform obtained through the AWS Marketplace. Which cloud migration strategy is ApexHomes using?

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Cevap: Repurchasing

Cevap

Repurchasing
The correct strategy is Repurchasing. This strategy involves discarding the existing legacy application and replacing it with a commercially available off-the-shelf product or a Software-as-a-Service (SaaS) solution, such as moving to a new SaaS CRM platform purchased from the AWS Marketplace.

Adım Adım Çözüm

1
Analyze the business scenario described in the stem.
The company is retiring its legacy CRM software and buying a license for a new SaaS product on the AWS Marketplace.
Identifying the key action helps determine which of the 6 Rs migration strategies is being applied.
2
Map the identified action to the correct migration strategy.
Discarding legacy code to purchase a commercially available SaaS platform corresponds to the Repurchasing strategy.
Repurchasing specifically refers to dropping the legacy product and shopping for a new one (often SaaS).

Anahtar Kavram

Cloud migration strategies (6 Rs), specifically Repurchasing (drop-and-shop).
Tahmini Süre:45s
Soru 116Soru →

A logistics provider, GlobalCargo Logistics, is evaluating its application portfolio to migrate to the AWS Cloud. The migration team has identified two specific workloads:

1. A legacy shipping optimization application running on-premises. The company wants to migrate this application to AWS with minimal modifications, but intends to move the self-managed database to Amazon RDS for Oracle to reduce administrative overhead.
2. A proprietary, monolithic billing application. The company wants to decompose this monolith into a serverless, microservices-based architecture using AWS Lambda and Amazon DynamoDB to maximize scalability and reduce operational costs.

Which migration strategies should GlobalCargo Logistics use for these workloads? (Select TWO.)

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Cevap: Replatforming for the shipping optimization application; Refactoring for the billing application

Cevap

Replatforming for the shipping optimization application and Refactoring for the billing application
Replatforming (also known as lift-tinker-and-shift) involves making small optimizations to an application during migration without changing the core architecture, such as moving a self-managed database to a fully managed service like Amazon RDS. Refactoring (also known as re-architecting) involves modifying the core architecture of the application to take full advantage of cloud-native features, such as breaking a monolith into a serverless architecture using AWS Lambda and Amazon DynamoDB.

Adım Adım Çözüm

1
Analyze the migration requirements for the shipping optimization application.
The application is migrated with minimal modification, but the database is moved to a managed service (Amazon RDS).
Moving a self-managed database to a managed service to reduce overhead without altering core application code represents Replatforming (lift-tinker-and-shift).
2
Analyze the migration requirements for the billing application.
The monolithic application is decomposed and redesigned into a cloud-native, serverless microservices architecture.
Redesigning an application to use serverless services like AWS Lambda and Amazon DynamoDB represents Refactoring (re-architecting).

Anahtar Kavram

Cloud migration strategies (6 Rs)
Soru 117Soru →

An agricultural technology firm, GreenGrow Solutions, is migrating its legacy inventory tracking system to the AWS Cloud. The system consists of a web server and a self-managed PostgreSQL database currently running on-premises. To minimize application code modifications, the team decides to migrate the web server to Amazon EC2 without changes. However, they decide to move the database to Amazon Relational Database Service (Amazon RDS) for PostgreSQL to eliminate database administration tasks like patching and backups. Which migration strategy is GreenGrow Solutions applying to the database tier?

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Cevap: Replatforming

Cevap

Replatforming
The correct answer is Replatforming. GreenGrow Solutions is optimization-tuning their database by moving it from a self-managed virtual machine to a fully managed service (Amazon RDS) to reduce administrative overhead (like patching and backups) without changing the core application code or database engine type.

Adım Adım Çözüm

1
Analyze the database migration requirements from the scenario.
The web server is migrated without changes, but the database is moved to Amazon RDS to reduce administrative overhead.
To identify how each tier of the application is handled during the migration.
2
Compare the database migration details against the 6 Rs migration strategies.
Migrating a self-managed database to a fully managed database service (Amazon RDS) without changing the database type represents Replatforming.
To align the migration actions with the correct cloud migration terminology.
3
Evaluate the distractors based on definitions and cloud economics.
Rehosting is direct lift-and-shift; Refactoring requires code rewrites; Retaining keeps the database on-premises and does not convert OpEx to CapEx.
To eliminate the incorrect options and confirm the single correct answer.

Anahtar Kavram

Identifying migration strategies (6 Rs) when moving workloads to AWS, specifically distinguishing between Rehosting and Replatforming.
Soru 118Soru →

An online education platform hosts its virtual classroom application on Amazon EC2 instances. To ensure that the platform remains highly available even if an entire data center experiences a power outage, the platform's architecture deploys EC2 instances across multiple Availability Zones behind an Application Load Balancer. Which AWS Cloud design principle is directly represented by this setup?

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Cevap: Design for failure

Cevap

Design for failure
The design principle of designing for failure encourages building systems that can automatically withstand and recover from infrastructure outages. By deploying application instances across multiple Availability Zones, the system is designed to tolerate the complete failure of an entire data center without causing service disruption.

Adım Adım Çözüm

1
Analyze the scenario requirements.
The scenario describes deploying EC2 instances across multiple physical locations (Availability Zones) to protect against a localized data center power outage.
Identifying the target threat (data center failure) and the redundancy mechanism (multiple Availability Zones) is necessary to determine the relevant design principle.
2
Map the redundancy mechanism to AWS design principles.
The mechanism assumes that an entire data center can fail and ensures the system remains operational, which directly maps to the principle of designing for failure.
Selecting the correct principle requires matching the practice of planning for component or site outages with the designated principle name.

Anahtar Kavram

Design for failure
Tahmini Süre:45s
Soru 119Soru →

StayBooker, a hotel reservation platform, is planning to migrate its applications to the AWS Cloud. The migration team has identified two specific workloads:

1. An on-premises employee payroll processing application that they want to completely replace with a commercial cloud-hosted software-as-a-service (SaaS) subscription.
2. A legacy mainframe application that cannot be migrated to the cloud at this time due to complex hardware dependencies, which they must keep running in their on-premises environment.

Which two of the following migration strategies represent the correct approach for these workloads?

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Cevap: Repurchasing; Retaining

Cevap

The correct migration strategies are Repurchasing and Retaining.
Repurchasing is the correct strategy for the payroll application because it involves replacing the custom system with a commercially available SaaS solution. Retaining is the correct strategy for the legacy mainframe because it keeps the application in the on-premises environment due to constraints preventing migration.

Adım Adım Çözüm

1
Analyze the first workload: replacing an on-premises payroll application with a SaaS subscription.
This matches the 'Repurchasing' strategy, which is often referred to as drop-and-shop.
Replacing existing applications with commercial SaaS options is the defining feature of Repurchasing.
2
Analyze the second workload: keeping a legacy mainframe application on-premises due to hardware dependencies.
This matches the 'Retaining' strategy.
Keeping applications in their source environment because they cannot be migrated yet is classified as Retaining.

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AWS Cloud Migration Strategies (6 Rs)
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An agricultural analytics firm, AgroOptima, is planning to migrate its application portfolio to the AWS Cloud. The migration team is evaluating the strategies for two specific workloads:

1. A predictive crop-yield analytics application that runs on on-premises virtual machines. To reduce database administration tasks, the team plans to move the application's database to Amazon RDS for PostgreSQL, while hosting the application itself on Amazon EC2 without modifying its core code.
2. A legacy invoicing system with high license maintenance costs. The company plans to decommission this system entirely and transition to a third-party Software-as-a-Service (SaaS) billing solution purchased through AWS Marketplace.

Which combination of migration strategies is AgroOptima using for these two workloads?

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Cevap: Replatforming for the analytics application and Repurchasing for the invoicing system

Cevap

Replatforming for the analytics application and Repurchasing for the invoicing system
The correct option is Replatforming for the analytics application and Repurchasing for the invoicing system. Shifting a self-managed database to a managed service like Amazon RDS during migration, while hosting the application itself on Amazon EC2 without code modifications, represents a Replatforming (lift-tinker-and-shift) strategy. Discarding a legacy system to adopt a new commercial Software-as-a-Service (SaaS) solution via AWS Marketplace represents a Repurchasing strategy.

Adım Adım Çözüm

1
Analyze the migration strategy for the first workload (analytics application).
The database is shifted to Amazon RDS (a managed service) to reduce operational overhead, while the main application code remains unmodified on EC2.
This 'lift-tinker-and-shift' approach matches the Replatforming strategy.
2
Analyze the migration strategy for the second workload (invoicing system).
The legacy invoicing system is decommissioned and replaced with a commercial SaaS solution purchased via AWS Marketplace.
Transitioning to a different product/license model matches the Repurchasing strategy.
3
Combine the two identified strategies to find the matching option.
The combination is Replatforming and Repurchasing.
This corresponds to the correct option.

Anahtar Kavram

AWS Cloud Migration Strategies (6 Rs)
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