CLF-C02 Cloud Concepts — All Questions With Answers

Question 1mediummultiple choice

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A company is migrating its on-premises applications to the AWS Cloud. The Chief Security Officer wants to confirm the division of security responsibilities. According to the AWS Shared Responsibility Model, which of the following tasks is the customer's responsibility?

Question 2mediummultiple choice

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A retail company runs a legacy application on a single on-premises server. The application experiences unpredictable traffic surges that degrade performance. The company is considering migrating to the AWS Cloud. Which cloud computing characteristic MOST directly addresses the ability to automatically adjust resources to meet changing demand without manual intervention?

Question 3mediummultiple choice

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A startup is deploying a web application on Amazon EC2 instances across multiple Availability Zones (AZs). The architecture must ensure that the application remains fully operational and available to users even if one entire AZ fails. Which cloud computing concept does this requirement MOST directly represent?

Question 4mediummultiple choice

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A mid-size company is planning to migrate its IT infrastructure to the AWS Cloud. The Chief Information Officer (CIO) expresses concern that multiple customers' virtual servers might run on the same physical hardware, potentially increasing the risk of data exposure. Which cloud computing characteristic describes this shared infrastructure model, where computing resources are pooled to serve multiple customers using a multi-tenant model?

Question 5mediummultiple choice

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A company based in Germany needs to store and process customer data that, by law, must remain within the European Union (EU). The company plans to use AWS services. Which AWS Global Infrastructure element is the MOST important for the company to evaluate when choosing where to deploy its resources?

Question 6mediummultiple choice

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A company is currently running its IT infrastructure in an on-premises data center. The finance department wants to understand how moving to the AWS Cloud would change the company's cost structure. In particular, they want to avoid large upfront hardware purchases and instead pay only for the resources they consume on a monthly basis. Which key cloud computing concept does this shift represent?

Question 7mediummultiple choice

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A company wants its employees to access cloud applications and manage cloud resources from anywhere using a variety of devices, including laptops, smartphones, and tablets. Which essential characteristic of cloud computing does this requirement directly represent?

Question 8mediummultiple choice

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A company runs an e-commerce website on Amazon EC2 instances behind an Application Load Balancer. The marketing team plans to run flash sales several times a year, which cause unpredictable but massive traffic spikes. The operations team wants the infrastructure to automatically add new EC2 instances when traffic increases and remove them when traffic decreases, without any manual intervention. Which cloud computing concept does this requirement MOST directly represent?

Question 9mediummultiple choice

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A small e-commerce company currently hosts its website on a single physical server in a colocation facility. The company pays a fixed monthly fee for the server, power, and bandwidth, regardless of actual usage. The CTO is evaluating AWS and notes that AWS operates millions of servers across multiple data centers, allowing it to negotiate lower prices for hardware and pass those savings to customers. The CTO expects that migrating to AWS will reduce the company's per-unit costs. Which benefit of cloud computing does this scenario BEST describe?

Question 10mediummultiple choice

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A company runs a critical e-commerce application on Amazon EC2 instances distributed across multiple Availability Zones in a single AWS Region. The application is designed so that if an entire Availability Zone experiences an outage, the application continues to serve traffic from the remaining Availability Zones without interruption. Which benefit or characteristic of cloud computing does this scenario BEST represent?

Question 11mediummultiple choice

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A financial services company is required by regulation to keep all customer transaction data on-premises. However, they want to use AWS to run analytics workloads on this data using Amazon EMR and Amazon S3 for temporary storage of intermediate results. They need a solution that connects their on-premises network to AWS securely and allows them to extend their on-premises environment into the AWS Cloud. Which cloud computing deployment model does this scenario BEST describe?

Question 12mediummultiple choice

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A company's development team frequently needs temporary test environments. A developer can log into the AWS Management Console, select an Amazon EC2 instance type, configure storage, and launch the instance within minutes without any interaction with the IT infrastructure team. This capability is an example of which essential characteristic of cloud computing?

Question 13mediummultiple choice

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A financial services company runs a high-frequency stock trading platform on AWS. The platform must continue processing trades without any interruption, even if an entire AWS Availability Zone experiences a complete outage. The architecture is designed with duplicate infrastructure in multiple Availability Zones, and all components are active simultaneously. The system is engineered so that if one AZ fails, the remaining AZs continue processing trades instantly, with zero downtime for end users. Which cloud computing concept does this requirement BEST represent?

Question 14mediummultiple choice

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A company traditionally purchases physical servers every three years to host its internal applications. The company is migrating these applications to AWS and will pay a monthly fee based on the actual compute capacity consumed. The company no longer needs to make large upfront hardware purchases and can instead budget for smaller monthly payments. Which benefit of cloud computing does this scenario BEST describe?

Question 15mediummultiple choice

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A company uses Amazon EC2 instances to run its workloads. The company's IT team does not know the exact physical server where each instance runs, and instances from multiple customers may be hosted on the same physical hardware. The team only specifies the AWS Region and Availability Zone. Which essential characteristic of cloud computing does this scenario BEST represent?

Question 16mediummultiple choice

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A startup runs an e-commerce website on AWS. During flash sales, traffic can increase 10x in a few minutes. The startup uses an Auto Scaling group to automatically launch additional EC2 instances when CPU utilization exceeds 70% and terminate them when utilization drops below 30%. This approach ensures that the application always has enough capacity to handle the load without manual intervention, and they only pay for what they use. Which cloud computing concept does this scenario BEST illustrate?

Question 17mediummultiple choice

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A company's finance team receives a detailed monthly report from AWS that shows the exact number of Amazon EC2 instance hours used, the amount of Amazon S3 storage consumed, and the volume of data transferred out to the internet over the month. The team uses this report to analyze usage trends, allocate costs to different departments, and plan future budgets. This capability is an example of which essential characteristic of cloud computing?

Question 18mediummultiple choice

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A startup company is developing a new mobile application. The development team needs to quickly provision and tear down test environments to experiment with different backend configurations. They want to try new features, run performance tests for a few hours, and then delete all resources without any upfront commitment. They only pay for the compute and storage resources consumed during each test. Which benefit of cloud computing does this scenario BEST represent?

Question 19easymultiple choice

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A global company has employees who work from various locations and use different devices such as laptops, tablets, and smartphones to access corporate applications. The company plans to migrate its applications to AWS and wants all employees to access these applications directly from the internet using standard web browsers without requiring any dedicated hardware or software at each branch. Which essential characteristic of cloud computing does this scenario BEST demonstrate?

Question 20mediummultiple choice

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A company runs its production web application on a single Amazon EC2 instance located in one Availability Zone. Recently, a power outage in that data center caused the instance to become unavailable, resulting in application downtime. The company wants to redesign the architecture so that the application automatically continues serving users even if a single data center fails, without requiring manual intervention. Which cloud computing concept does this scenario BEST illustrate?

Question 21mediummultiple choice

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A start-up is evaluating cloud providers for its new application. The company's CTO learns that the cloud provider negotiates bulk discounts with hardware vendors and data center operators, and passes these savings on to customers through lower service prices. The CTO also notes that the provider's vast infrastructure allows customers to benefit from the provider's operational expertise in running large-scale data centers. Which benefit of cloud computing does this scenario BEST represent?

Question 22mediummultiple choice

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A cloud provider uses shared physical infrastructure to serve many customers. Each customer's compute and storage resources are logically isolated and secure, but the underlying hardware is pooled across all customers. Which essential characteristic of cloud computing does this scenario BEST describe?

Question 23easymultiple choice

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A company is migrating its IT operations to AWS. Previously, when a developer needed a new server for a project, the developer had to submit a formal request to the IT department. The request would be reviewed, approved, and then a physical server would be procured, configured, and deployed—a process that often took several weeks. After migrating to AWS, the developer can log in to the AWS Management Console and launch a new Amazon EC2 instance with the exact required configuration within minutes, without any interaction with IT staff. Which essential characteristic of cloud computing does this scenario BEST demonstrate?

Question 24mediummultiple choice

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A company runs a web application on AWS that experiences unpredictable traffic spikes. The company wants to configure its infrastructure to automatically increase compute capacity during peak times and decrease it during low traffic, minimizing costs. Which cloud computing concept does this scenario BEST represent?

Question 25easymultiple choice

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A company's sales team uses a cloud-based CRM application. Sales representatives access the CRM from their laptops in the office, from tablets at customer sites, and from their smartphones while traveling, all over the internet. The application works consistently across all devices without requiring any custom client software on each device. Which essential characteristic of cloud computing does this scenario BEST demonstrate?

Question 26mediummultiple choice

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A company is migrating its on-premises data analytics workload to AWS. Previously, the company had to purchase and maintain dedicated servers with fixed capacity to handle peak workloads, resulting in low utilization during off-peak hours. On AWS, the company can launch compute resources, run the analytics job, and terminate the resources when done. The company only pays for the compute time and storage used during the job. Which essential characteristic of cloud computing does this scenario BEST demonstrate?

Question 27mediummultiple choice

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A company is designing a highly available application that must remain operational even if a single physical data center fails. The application will be deployed in the us-east-1 Region. The company wants to distribute the application across multiple physical locations within the Region, where each location has independent power, cooling, and networking. Which AWS Global Infrastructure component should the company use to meet this requirement?

Question 28mediummultiple choice

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A company hosts a web application on an Amazon EC2 instance. The company installs its own application software and configures the operating system. The company also uses AWS Key Management Service (AWS KMS) to create a customer-managed key to encrypt data on the Amazon Elastic Block Store (Amazon EBS) volume attached to the instance. According to the AWS shared responsibility model, which of the following is the responsibility of AWS?

Question 29mediummultiple choice

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A company moves its infrastructure to AWS. The company's IT team notices that they have no control over which specific physical server their virtual machines run on, and they are unaware of the exact hardware location except at the regional level. The underlying physical resources are shared across multiple AWS customers. Which essential characteristic of cloud computing does this scenario BEST describe?

Question 30mediummultiple choice

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A company runs a web application on Amazon EC2 instances. The application experiences unpredictable traffic spikes during marketing campaigns. The company configures an Amazon EC2 Auto Scaling group to automatically add instances when CPU utilization exceeds 70% and remove instances when it drops below 30%. This allows the company to handle peak loads without manual intervention and avoid paying for idle capacity during low traffic periods. Which essential characteristic of cloud computing does this configuration BEST demonstrate?

Question 31mediummultiple choice

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A development team needs to spin up a new Amazon RDS database instance for a proof-of-concept application. The team can log into the AWS Management Console, select the database engine, configure settings, and launch the instance within minutes, without needing to submit a ticket or wait for IT operations to provision hardware. Which essential characteristic of cloud computing does this scenario BEST demonstrate?

Question 32mediummultiple choice

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A company is launching a new application and expects user demand to grow gradually over the next 12 months. To control upfront costs, the company plans to start with a small number of Amazon EC2 instances and manually add more instances each month as the user base increases. The operations team will monitor usage and adjust capacity based on observed trends. Which cloud computing concept does this approach BEST illustrate?

Question 33mediummultiple choice

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A company is migrating its internal email system to a cloud-based solution. After the migration, the company's IT team no longer needs to manage the email servers, apply operating system patches, or upgrade the email software. The cloud provider handles all underlying infrastructure, the platform, and the application itself. Users access their email through a web browser or a mobile app. Which cloud service model does this scenario describe?

Question 34mediummultiple choice

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A financial services company maintains a legacy on-premises database for sensitive customer data that must remain in a physically controlled environment due to regulatory requirements. The company runs its customer-facing web application on AWS to benefit from scalability and global reach. A dedicated encrypted VPN connection securely links the on-premises environment with the AWS cloud. Which cloud deployment model does this scenario BEST represent?

Question 35mediummultiple choice

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A company has deployed a customer relationship management (CRM) application on AWS. Sales representatives use the application from their office laptops, company-issued tablets, and personal smartphones. They access the application securely through a web browser using HTTPS from any location, including client sites and home offices. This capability is an example of which essential characteristic of cloud computing?

Question 36mediummultiple choice

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A company is designing a critical web application that must remain available even if an entire data center goes offline due to a power outage. The application will run on Amazon EC2 instances in the us-east-1 Region. Which AWS infrastructure strategy should the company use to meet this high-availability requirement?

Question 37mediummultiple choice

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A company runs an e-commerce application on AWS that experiences unpredictable traffic spikes during flash sales. The application currently runs on a fixed number of Amazon EC2 instances, which leads to performance degradation during spikes and wasted capacity during low traffic. The company wants to automatically adjust the number of instances based on real-time demand, only paying for the resources it uses. This need best represents which cloud computing concept?

Question 38mediummultiple choice

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A company is migrating a three-tier web application to AWS. The application will run on Amazon EC2 instances using a custom Linux distribution, and a self-managed MySQL database will be installed on the same instances. The company's security team needs to understand which security responsibilities belong to AWS and which belong to the company under the AWS Shared Responsibility Model. According to this model, who is responsible for applying operating system security patches to the EC2 instances and for updating the MySQL database software?

Question 39mediummultiple choice

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A company is migrating its on-premises application to AWS. The application currently runs on a single server and experiences occasional traffic spikes that cause performance degradation. The company wants to take advantage of cloud computing benefits to handle these spikes automatically without manual intervention. Which AWS Cloud concept would directly address this requirement?

Question 40mediummultiple choice

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A company runs a batch processing job on a single Amazon EC2 instance. The job takes 10 hours to complete. The company needs to reduce the processing time to under 1 hour to meet a new business requirement. The data can be split into independent chunks that can be processed in parallel. Which cloud computing concept would most directly enable the company to achieve this goal?

Question 41mediummultiple choice

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A company runs a critical e-commerce application on a single Amazon EC2 instance in one Availability Zone. The company wants to ensure that if the entire Availability Zone becomes unavailable, the application continues to run without manual intervention. Which AWS cloud concept best describes this requirement?

Question 42mediummultiple choice

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A retail company is migrating its e-commerce platform to AWS. The company's financial controller notes that AWS can offer lower pay-as-you-go prices than what it would cost the company to build and operate its own data center at the same scale. Which cloud computing concept best explains this pricing advantage?

Question 43mediummultiple choice

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A startup company is evaluating the benefits of migrating to AWS. The CEO wants to experiment with a new application idea by quickly launching a small server, testing the application for a few days, and then decommissioning it. The company does not want to go through a lengthy procurement process to purchase hardware. Which cloud computing concept does this scenario best demonstrate?

Question 44mediummultiple choice

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A company is migrating a legacy monolithic e-commerce application to AWS. The application has three tightly integrated modules: user authentication, payment processing, and inventory management. In the current design, a failure in the payment processing module often causes the entire application to crash. The company wants to redesign the application so that each module runs independently, and a failure in one module does not cascade to other modules. Which cloud computing concept should the company apply to achieve this goal?

Question 45easymultiple choice

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A financial institution has regulatory requirements to store sensitive customer data on-premises in its own data center. However, it wants to use AWS for compute-intensive analytics that need to access this data. The company plans to establish a dedicated, encrypted network connection between its data center and AWS. Which cloud deployment model does this scenario describe?

Question 46mediummultiple choice

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A social media company hosts a web application on AWS that serves millions of users worldwide. The application delivers static content such as images, videos, and CSS files. To improve load times for users in different geographic regions, the company wants to cache this content at AWS locations that are as close to end users as possible. Which component of the AWS global infrastructure should the company use?

Question 47mediummultiple choice

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A company runs a web application on AWS that experiences unpredictable traffic spikes. The operations team wants the infrastructure to automatically add compute capacity when demand increases and remove it when demand decreases, without manual intervention. The team also wants to pay only for the compute resources they actually use. Which cloud computing concept does this scenario best describe?

Question 48mediummultiple choice

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A company is deploying a web application on AWS. The application will run on multiple Amazon EC2 instances distributed across two Availability Zones. An Application Load Balancer will distribute incoming traffic across the instances. The company's primary goal is to ensure the application remains available to users even if one Availability Zone experiences a service disruption. Which cloud computing concept does this architecture primarily demonstrate?

Question 49mediummultiple choice

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A company uses a continuous integration and continuous deployment (CI/CD) pipeline to deploy applications on AWS. The development teams frequently create feature branches in the code repository. The company wants to automatically provision a complete, isolated environment (including compute, storage, and networking) for each new feature branch, with no manual intervention. The environment must be ready within minutes of the branch creation. Which characteristic of cloud computing does this requirement primarily demonstrate?

Question 50mediummultiple choice

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A startup is migrating a web application to AWS. The application runs on Amazon EC2 instances that use a custom Amazon Machine Image (AMI) with the company's proprietary software. The security team needs to understand which security tasks the company must perform. Under the AWS Shared Responsibility Model, which of the following is the customer's responsibility?

Question 51mediummultiple choice

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A company runs a batch processing workload on an on-premises data center. The servers are powerful machines that are used at maximum capacity only for a few days each month during financial reporting periods. For the rest of the month, the servers run at very low utilization. The CFO wants to migrate this workload to AWS to reduce costs. Which characteristic of AWS cloud computing is most directly aligned with the CFO's goal of paying only for the compute capacity actually used?

Question 52mediummultiple choice

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A company runs a web application on a single Amazon EC2 instance. As the application gains popularity, the instance frequently reaches 100% CPU utilization during peak hours, causing slow response times. The operations team is evaluating two approaches: (1) migrate the application to a larger EC2 instance type with more CPU and memory, or (2) add multiple smaller EC2 instances behind a load balancer and distribute the traffic. Which cloud computing concept does approach (1) represent?

Question 53easymultiple choice

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A developer needs to launch a test server for a new application prototype. The developer logs into the AWS Management Console, selects an Amazon EC2 instance type, configures the security group, and starts the instance. The instance is running within two minutes, and the developer did not need to submit a formal request to the company's IT procurement team or wait for approval from a cloud administrator. Which essential characteristic of cloud computing does this scenario best demonstrate?

Question 54mediummultiple choice

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A company runs a critical e-commerce application in a single AWS Region. The architecture team wants to ensure the application remains available even if an entire data center fails. They plan to deploy the application across multiple physically separate and independent locations within that Region. Which component of the AWS global infrastructure should the team use to achieve this goal?

Question 55mediummultiple choice

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A gaming company is preparing to launch a new online multiplayer game. The company expects the player traffic to be extremely high on the first few days after launch, but then stabilize at a much lower level. The IT team wants to provision sufficient server capacity to handle the launch spike without over-provisioning and wasting money during the quieter periods. Which benefit of cloud computing most directly addresses this requirement?

Question 56mediummultiple choice

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A company runs a customer-facing web application on a single Amazon EC2 instance. To improve resilience, the solutions architect decides to deploy a second EC2 instance in a different Availability Zone and configure an Application Load Balancer to distribute traffic. The goal is to ensure that the application remains accessible even if one instance or one Availability Zone becomes unavailable. Which cloud computing benefit does this architecture primarily aim to achieve?

Question 57mediummultiple choice

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A hospital is evaluating a move of its patient records system to the AWS Cloud. The hospital's compliance officer is concerned that the underlying physical servers in the cloud are shared with other customers, which could potentially expose sensitive patient data. The hospital wants a clear explanation of how AWS prevents one customer from accessing another customer's data even though they reside on the same physical hardware. Which essential characteristic of cloud computing best describes the mechanism that achieves this isolation?

Question 58mediummultiple choice

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A company migrates its on-premises applications to AWS. The finance team wants to allocate costs to different departments based on the exact amount of compute, storage, and network resources each department consumes. They also want to set automatic alerts when a department's usage exceeds a predefined budget. Which essential characteristic of cloud computing enables this level of visibility and control over resource consumption?

Question 59mediummultiple choice

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A company is evaluating a move to the AWS Cloud. The finance team learns that AWS can offer lower per-unit prices for compute and storage because AWS purchases hardware in very large volumes and operates at a massive scale. This cost advantage, which is then passed on to customers, is a direct benefit of which fundamental cloud computing concept?

Question 60mediummultiple choice

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A company runs a nightly batch processing job on a single on-premises server. The job takes 4 hours to complete, and if the server fails during processing, the job must start over from the beginning. The company is migrating this workload to AWS. The solutions architect proposes running the job across multiple Amazon EC2 instances that process different chunks of data simultaneously. The architect also plans to configure the system so that if any single instance fails, its chunk is automatically reprocessed by another instance, ensuring the overall job still completes. Which benefit of cloud computing does this architecture primarily demonstrate?

Question 61mediummultiple choice

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A company runs an e-commerce website on Amazon EC2 instances. The website experiences unpredictable traffic spikes during flash sales and returns to normal traffic levels afterward. To handle this, the company configures an Auto Scaling group that adds EC2 instances when the average CPU utilization exceeds 70% and removes instances when it drops below 30%. Which essential characteristic of cloud computing does this configuration primarily demonstrate?

Question 62mediummultiple choice

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A company is designing a highly available web application on AWS. The application must remain available and continue serving traffic even if an entire physical data center experiences a complete outage. Which AWS global infrastructure component should the solutions architect use to meet this requirement?

Question 63mediummultiple choice

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A company is moving its workloads to AWS. The compliance team requires that all data must reside within the European Union (EU) and must not be stored on any physical server located outside the EU. The team also understands that AWS does not provide information about the specific physical server or data center where their data is stored. Which essential characteristic of cloud computing does this situation best describe?

Question 64easymultiple choice

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A development team needs to create a new Amazon RDS MySQL database for a temporary testing environment. A developer logs into the AWS Management Console, selects the desired instance type, storage, and network settings, and clicks 'Create database'. The database is available within 10 minutes, and the developer did not need to submit a request or wait for IT approval. Which essential characteristic of cloud computing does this process best demonstrate?

Question 65mediummultiple choice

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A company is migrating its workloads to AWS. The IT team is concerned that they will lose visibility into which specific physical server is running their application. A solutions architect explains that AWS abstracts the underlying hardware, allowing customers to focus on their applications without managing physical infrastructure. The architect also notes that AWS pools resources from a large number of data centers to serve multiple customers, and changes the physical location of resources dynamically. Which essential characteristic of cloud computing does this scenario best describe?

Question 66mediummultiple choice

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A company runs a web application on Amazon EC2 instances. The company wants to ensure that they are billed only for the exact compute capacity they consume, down to the second, for each running instance. They also want to receive a detailed breakdown of their usage, including CPU time, storage, and data transfer, so they can analyze costs per department. Which essential characteristic of cloud computing enables this granular tracking and billing?

Question 67mediummultiple choice

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A company develops a mobile application that allows employees to upload sales reports to an Amazon S3 bucket. The application must work reliably from any location, including from corporate offices, remote home offices, and international travel locations. The solution uses standard HTTPS requests over the internet. Which essential characteristic of cloud computing does this scenario best illustrate?

Question 68mediummultiple choice

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A company runs a retail website on AWS. During a promotional event, the website's traffic spikes from 1,000 concurrent users to 100,000 concurrent users in under 5 minutes. The AWS infrastructure automatically provisions additional Amazon EC2 instances to handle the increased load and terminates them when the event ends. Which essential characteristic of cloud computing does this scenario best demonstrate?

Question 69mediummultiple choice

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A company runs a stateless web application on a single Amazon EC2 instance in the us-east-1a Availability Zone. The application stores session data in an external Amazon ElastiCache cluster. Due to a power failure in the data center hosting us-east-1a, the EC2 instance becomes unavailable. The company wants to redesign the architecture so that the application recovers automatically in minutes if a single Availability Zone fails. Which design principle should the company implement?

Question 70mediummultiple choice

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A company wants to allow its developers to provision virtual servers in AWS without needing to submit a ticket to an IT administrator or wait for manual approval. The developers need to be able to spin up instances directly from the AWS Management Console, CLI, or SDKs, and the resources should be available immediately after the request is submitted. Which essential characteristic of cloud computing does this scenario best describe?

Question 71mediummultiple choice

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A startup is migrating its infrastructure to AWS. The CTO notices that the hourly rate for an Amazon EC2 instance is significantly lower than the cost of purchasing and maintaining a comparable physical server in their own data center. The CTO explains that AWS can offer lower prices because it aggregates demand from thousands of customers and optimizes its data center operations. Which benefit of cloud computing does this scenario primarily illustrate?

Question 72mediummultiple choice

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A company runs a nightly batch processing job on AWS that takes exactly 2 hours to complete. The company uses a fixed set of Amazon EC2 instances for the job. AWS automatically tracks the number of instance-hours consumed each month and bills the company precisely for that usage. The company does not need to sign a long-term contract or pay for idle resources. Which essential characteristic of cloud computing does this scenario best illustrate?

Question 73mediummultiple choice

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A gaming company wants to deploy its multiplayer game to players in North America, Europe, and Asia. The company needs to ensure that players in all three regions experience low latency when connecting to game servers, and the game servers must be located as close as possible to the players. The company chooses AWS to host the game servers. Which benefit of cloud computing does this scenario best illustrate?

Question 74mediummultiple choice

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A company operates a social media analytics platform that runs on AWS. The platform experiences unpredictable traffic spikes during major events. The company wants to ensure that compute capacity automatically increases during these spikes without any manual intervention, and decreases when traffic subsides to avoid paying for idle resources. Which characteristic of cloud computing does this business requirement directly rely on?

Question 75mediummultiple choice

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A company has employees in field offices who need to manage AWS resources (e.g., launch EC2 instances, upload files to S3) using a web browser on their company-issued laptops. The laptops connect to the internet via public Wi-Fi or cellular hotspots. The employees do not have any VPN or direct corporate network connection. They can successfully access the AWS Management Console and perform all actions over standard HTTPS ports. Which essential characteristic of cloud computing does this scenario primarily demonstrate?

Question 76mediummultiple choice

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A company traditionally operated an on-premises data center and purchased all server hardware and software licenses with upfront capital expenditure. After migrating its workloads to AWS, the company now receives a monthly invoice that reflects only the compute hours, storage, and data transfer that it actually used. The company can also stop paying for resources when they are no longer needed. Which key characteristic of cloud computing does this scenario best illustrate?

Question 77mediummultiple choice

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A development team needs to provision a new Amazon EC2 instance for a proof-of-concept project. The team has an AWS account with appropriate IAM permissions. One developer logs into the AWS Management Console, selects an Amazon Machine Image (AMI), chooses an instance type, configures security groups, and launches the instance. The entire process takes less than 10 minutes and does not require any interaction with AWS support or IT administrators. Which essential characteristic of cloud computing does this scenario best illustrate?

Question 78mediummultiple choice

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A retail company runs its e-commerce platform on AWS. The platform uses multiple Amazon EC2 instances behind an Application Load Balancer. To ensure the application remains available during an Availability Zone failure, the company distributes the instances across three Availability Zones. The load balancer automatically reroutes traffic away from an unhealthy zone. This design primarily addresses which pillar of the AWS Well-Architected Framework?

Question 79mediummultiple choice

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A company has deployed a web application on Amazon EC2 instances. The company's security team wants to ensure that the underlying host operating system is patched against a newly discovered vulnerability. According to the AWS Shared Responsibility Model, who is responsible for applying the patch to the host operating system?

Question 80mediummultiple choice

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A company runs a customer-facing web application on AWS. To ensure the application remains available if a fire or flood destroys one of the company's data centers, the IT team deploys the application across multiple physically separate facilities within the same AWS Region. Each facility has independent power, cooling, and physical security. Which component of the AWS global infrastructure does this deployment strategy primarily use?

Question 81mediummultiple choice

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A gaming company launches a new online multiplayer game. During peak hours (evenings and weekends), the player count spikes dramatically, requiring dozens of Amazon EC2 instances to handle the load. During off-peak hours, the player count drops to near zero. The company configures an Amazon EC2 Auto Scaling group that automatically adds instances when CPU utilization exceeds 70% and removes instances when utilization drops below 30%. Which characteristic of cloud computing does this configuration best demonstrate?

Question 82mediummultiple choice

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A company runs an e-commerce platform on AWS. The platform experiences unpredictable traffic, with occasional large spikes. The company wants to automatically adjust compute capacity to match demand exactly, ensuring consistent performance while only paying for the resources consumed. Which benefit of the AWS Cloud does this scenario primarily describe?

Question 83mediummultiple choice

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A company wants to deliver its web application content to users across North America, Europe, and Asia with minimal latency. The application runs on Amazon EC2 instances and serves static and dynamic content. Which AWS Cloud concept is most directly supported by using AWS Regions and edge locations to meet this requirement?

Question 84mediummultiple choice

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A company operates its own data center with physical servers that are purchased outright every three years. The company is migrating its entire infrastructure to AWS. The CFO notes that the company will no longer need to make large upfront purchases of hardware and instead will pay monthly for the compute and storage resources used. Which cloud computing benefit does this scenario best illustrate?

Question 85easymultiple choice

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A financial services company keeps sensitive customer data in an on-premises data center. Regulatory requirements prohibit this data from being stored in the cloud. However, the company needs to run compute-intensive analytics jobs that periodically require more processing power than its on-premises servers can provide. The company wants to use AWS for these burst capacity needs while keeping the sensitive data on premises. Which cloud deployment model best describes this approach?

Question 86mediummultiple choice

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A company runs a critical web application on a single Amazon EC2 instance in a single Availability Zone. The company wants to design the architecture so that the application continues to operate even if the physical server hosting the instance fails. Which AWS Cloud concept does this design objective primarily address?

Question 87mediummultiple choice

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A startup is considering moving its infrastructure to AWS. The CTO explains that AWS can offer lower pay-as-you-go prices than what the startup would pay for equivalent on-premises hardware because AWS aggregates usage from millions of customers. Which benefit of the AWS Cloud does this scenario describe?

Question 88easymultiple choice

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A retail company uses Amazon EC2 Auto Scaling to automatically launch hundreds of EC2 instances when CPU utilization exceeds 70% during a flash sale. When traffic subsides, the Auto Scaling group terminates the excess instances. This ability to dynamically provision and release compute resources in response to changes in demand best demonstrates which fundamental characteristic of cloud computing?

Question 89mediummultiple choice

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A marketing company is launching a new campaign that will require a temporary increase in web server capacity. The operations team provisions an additional 10 Amazon EC2 instances through the AWS Management Console within five minutes, without needing to submit a purchase order or wait for hardware delivery. Which advantage of cloud computing does this scenario best demonstrate?

Question 90mediummultiple choice

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A company is designing a highly available application on AWS. The architect plans to deploy application instances across multiple Availability Zones and implement health checks to automatically route traffic away from failed instances. These design decisions primarily contribute to which pillar of the AWS Well-Architected Framework?

Question 91mediummultiple choice

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A social media startup plans to launch its application to users across North America, Europe, and Asia. The CTO wants a single deployment approach that minimizes latency for end users in all geographic regions, provides high availability, and allows the company to add new regions within minutes as the user base expands. The startup has no existing data centers outside its home country. Which fundamental benefit of cloud computing does this requirement best illustrate?

Question 92mediummultiple choice

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A financial services company has a core banking application that runs on-premises and stores sensitive customer data. Due to strict regulatory requirements, this application cannot be migrated to the cloud. However, the company wants to use AWS for its development and test environments to benefit from rapid provisioning and pay-per-use pricing. The company also wants to establish a dedicated private network connection between its on-premises data center and AWS to securely transfer data between the environments. Which cloud deployment model does this scenario describe?

Question 93mediummultiple choice

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A gaming company runs a multiplayer game backend on Amazon EC2 instances. The game experiences variable traffic patterns: low usage during weekday mornings and high usage during evenings and weekends. The company uses an Auto Scaling group to automatically add instances during peak hours and remove them during low traffic. The company is billed only for the compute capacity actually consumed during each hour. Which characteristic of cloud computing does this usage-based billing model best illustrate?

Question 94mediummultiple choice

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A company is migrating an on-premises application to AWS. The application will run on Amazon EC2 instances and use an Amazon RDS for MySQL database. The security team needs to understand which security controls remain the company's responsibility after the migration. Under the AWS Shared Responsibility Model, which of the following is the customer's responsibility?

Question 95mediummultiple choice

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A company runs a web application on a fleet of Amazon EC2 instances. The application experiences unpredictable traffic patterns with sudden spikes. The company configures an Auto Scaling group with dynamic scaling policies to automatically add instances when CPU utilization exceeds 70% and remove instances when it drops below 30%. This design is an example of which key characteristic of cloud computing?

Question 96mediummultiple choice

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A multinational corporation has a policy that all cloud resources must be provisioned through a centralized IT team. This has caused delays, as developers sometimes wait days for a test environment to be created. The company wants to migrate to AWS to allow individual project teams to provision their own resources (such as Amazon EC2 instances and Amazon S3 buckets) directly through the AWS Management Console or API, without any manual approval process from IT. Which characteristic of cloud computing does this desired capability best represent?

Question 97mediummultiple choice

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A startup is building a photo-sharing application on AWS. The startup expects to store billions of photos over time. The CEO is surprised that the per-GB price for Amazon S3 storage is the same for the startup as it is for a multinational corporation with petabytes of data. Which characteristic of cloud computing does this pricing model best demonstrate?

Question 98mediummultiple choice

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A company runs a web application on a single Amazon EC2 instance. To improve the application's ability to remain operational even if an entire data center becomes unavailable, the company deploys identical application instances across three AWS Availability Zones and places them behind an Application Load Balancer. Which characteristic of cloud computing does this architecture best demonstrate?

Question 99mediummultiple choice

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A software development team uses AWS CloudFormation to define their test environments as infrastructure as code. Each developer can launch a complete environment containing multiple Amazon EC2 instances, an Application Load Balancer, and an Amazon RDS database in under five minutes. They run their test suite for a few hours and then delete the entire CloudFormation stack, releasing all resources. Which essential characteristic of cloud computing does this workflow best illustrate?

Question 100mediummultiple choice

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A consulting firm has a global team of consultants who frequently travel to client sites. The firm hosts its critical business applications on AWS. The consultants need to access these applications from various locations (hotels, airports, client offices) using a variety of devices, including company laptops, personal smartphones, and tablets. They connect using standard web browsers and internet connections. This ability to access the same cloud resources from anywhere using different devices is an example of which essential characteristic of cloud computing?

Question 101mediummultiple choice

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A startup uses AWS Lambda for its backend processing. The company is billed only for the number of function invocations and the compute time consumed, rounded up to the nearest millisecond. There are no minimum fees or upfront commitments. This billing model is a direct example of which essential characteristic of cloud computing?

Question 102mediummultiple choice

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A development team needs to create a temporary Amazon RDS database for testing a new feature. The team uses the AWS Management Console to launch a db.t3.micro MySQL instance, configures the security group, and connects the application within minutes. When the testing is complete, they terminate the instance without any interaction with AWS support or IT administrators. This ability to provision and manage resources entirely through self-service interfaces best describes which essential characteristic of cloud computing?

Question 103mediummultiple choice

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A company runs a customer-facing web application on Amazon EC2 instances. The application experiences unpredictable traffic patterns, with occasional spikes during marketing campaigns and lulls at other times. The company configures an Auto Scaling group to automatically add EC2 instances when CPU utilization exceeds 70% and remove instances when it drops below 30%. This ability to scale computing resources up and down in response to demand best represents which essential characteristic of cloud computing?

Question 104mediummultiple choice

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A company is migrating its on-premises data center to AWS. The Chief Financial Officer (CFO) wants to understand how this migration will change the company's financial structure. Historically, the company purchased servers, networking equipment, and software licenses upfront, with costs depreciating over several years. The CFO notes that the move to AWS will replace these large upfront capital expenditures with smaller, recurring operational expenses based on actual usage. Which essential characteristic of cloud computing enables this shift from capital expenditure (CAPEX) to operational expenditure (OPEX)?

Question 105mediummultiple choice

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A company runs its web application on a fleet of Amazon EC2 instances. The operations team does not know which specific physical servers host their instances, nor does the team have any control over the underlying hardware. However, the team can be confident that if one physical server fails, AWS will automatically launch replacement instances on different hosts. The team can also specify the general geographic region (e.g., us-west-2) but not the exact data center. This scenario best describes which essential characteristic of cloud computing?

Question 106easymultiple choice

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A company has migrated its customer-facing web application to AWS. The application is deployed on Amazon EC2 instances behind an Application Load Balancer. The company's customers access the application from various devices—desktop computers, laptops, tablets, and smartphones—using standard web browsers without any additional configuration or proprietary software. The ability for customers to reach the application over the internet from any device with a standard browser best demonstrates which essential characteristic of cloud computing?

Question 107mediummultiple choice

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A company runs a critical database on a single Amazon EC2 instance in a single Availability Zone. To increase fault tolerance and minimize downtime, the architecture team decides to deploy the database across multiple Availability Zones using a primary/standby configuration. This design pattern of distributing resources across isolated locations to ensure continuous operation even if an entire data center fails best demonstrates which fundamental concept of cloud computing?

Question 108mediummultiple choice

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A company is migrating its customer-facing web application to AWS. The Chief Information Security Officer (CISO) is reviewing the division of security responsibilities. The CISO understands that AWS is responsible for the security of the physical data centers, hardware, and network infrastructure. The company, as the customer, is responsible for securing the application code, customer data, and operating system patches on Amazon EC2 instances. This division of security responsibilities is an example of which fundamental cloud computing concept?

Question 109mediummultiple choice

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A company's website serves static content—such as images, videos, and CSS files—to a global audience. The company wants to reduce load times for users located far from the primary AWS Region where the application is hosted. Which component of the AWS global infrastructure is specifically designed to cache and deliver this content with low latency from locations close to end users?

Question 110mediummultiple choice

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A company operates a seasonal e-commerce website. During holiday sales, traffic can increase by 500% within minutes. The company uses AWS Auto Scaling to automatically add Amazon EC2 instances when CPU utilization exceeds a threshold and remove instances during off-peak hours. The company pays only for the compute capacity it actually consumes, with no upfront commitment. This scenario best demonstrates which essential characteristics of cloud computing?

Question 111easymultiple choice

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A company's marketing team needs a temporary compute environment to run a one-week data analysis for a campaign. The developer uses the AWS CLI to automatically provision an Amazon EC2 instance and an Amazon RDS database without any manual approval or interaction from the AWS support team. This ability to provision resources automatically without requiring human interaction from the cloud provider best demonstrates which essential characteristic of cloud computing?

Question 112mediummultiple choice

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A startup is evaluating a migration from its on-premises infrastructure to AWS. The CTO notes that AWS can offer significantly lower per-unit costs for compute and storage compared to the startup's own data center. The CTO explains that AWS achieves this by pooling the demand of millions of customers, which allows AWS to negotiate better hardware prices and spread the fixed costs of data centers, power, cooling, and operational staff across a massive customer base. This specific cost advantage of cloud computing is best described by which fundamental concept?

Question 113mediummultiple choice

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A company runs multiple workloads on AWS. At the end of each month, the finance team receives a detailed invoice that shows exactly how many GB-hours of Amazon EBS storage each workload used and how many hours each Amazon EC2 instance was running. This granular usage data is used to allocate costs back to the respective business units. Which essential characteristic of cloud computing does this capability best demonstrate?

Question 114mediummultiple choice

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A company runs an e-commerce platform on Amazon EC2 instances in a single AWS Region. The company wants to ensure that the platform remains available even if a natural disaster disrupts the entire geographic area of that Region. Which approach should the company take to meet this requirement?

Question 115easymultiple choice

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A company's sales team uses a cloud-based CRM application hosted on AWS. Sales representatives access the application from various devices—office desktops, company-issued laptops, and personal smartphones—using only standard web browsers and internet connections. No special client software or dedicated network connections are required. Which essential characteristic of cloud computing does this scenario best illustrate?

Question 116mediummultiple choice

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A company runs an e-commerce application on a fleet of Amazon EC2 instances. The application experiences unpredictable traffic spikes during flash sales. To handle this, the company configures an Amazon EC2 Auto Scaling group to automatically add instances when CPU utilization exceeds 70% and remove instances when utilization drops below 30%. The company only pays for the instances that are running. This ability to dynamically add and remove compute capacity based on real-time demand best demonstrates which essential characteristic of cloud computing?

Question 117mediummultiple choice

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A development team is building a web application and wants to minimize operational overhead. The team wants to focus solely on writing and deploying code without managing the underlying operating system, runtime, or middleware. The team needs the ability to simply upload their application code and have it run, with the cloud provider automatically handling capacity provisioning, load balancing, and patching of the platform. Which cloud computing service model best describes this approach?

Question 118mediummultiple choice

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A company uses AWS to host its web application. The company's IT manager learns that multiple AWS customers may have virtual machines running on the same physical server within an AWS data center. However, the manager is confident that each customer's data is securely isolated from others and that customers have no visibility into or control over the underlying physical infrastructure. Which essential characteristic of cloud computing does this scenario best demonstrate?

Question 119mediummultiple choice

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A company has migrated its IT infrastructure to AWS. The company's finance team receives a monthly bill that itemizes charges based on the number of Amazon EC2 instance hours consumed, the amount of Amazon S3 storage used in gigabyte-months, and the total data transferred out to the internet. The cloud provider automatically tracks and reports this usage data for billing purposes. This scenario best demonstrates which essential characteristic of cloud computing?

Question 120mediummultiple choice

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A developer at a company is working on a new feature. The developer needs a test server running a specific version of Linux with certain software pre-installed. Without waiting for approval from the IT team or filling out a request form, the developer logs into the AWS Management Console, chooses an Amazon EC2 instance type, configures the security group, and launches the instance. The instance is fully operational within minutes. Which essential characteristic of cloud computing does this scenario best illustrate?

Question 121mediummultiple choice

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A company's application runs on multiple AWS services across different geographic regions. The development team needs to access and manage these resources from their office using standard web browsers and API calls over the internet. The team does not need any dedicated private network connections. Which essential characteristic of cloud computing does this scenario best demonstrate?

Question 122easymultiple choice

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A company has a strict data residency policy that requires all customer data to remain stored on-premises at all times. However, the company experiences unpredictable spikes in compute demand and wants to use an AWS cloud environment to handle this additional workload during peak periods. The company needs a solution that allows them to seamlessly run applications across their on-premises infrastructure and AWS, using consistent management tools and APIs. The company also needs a dedicated, private network connection between the two environments for low latency and security. Which cloud deployment model best describes this architecture?

Question 123mediummultiple choice

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A company runs a monthly data processing job that requires 100 Amazon EC2 instances to complete within 4 hours. The job is not needed at any other time. The company previously ran this job on its on-premises servers, which required maintaining enough capacity to handle the peak load year-round, leading to low average utilization. The company has now migrated the job to AWS. Each month, the company automatically provisions the 100 instances, runs the job, and then terminates the instances. Which essential characteristic of cloud computing does this scenario best illustrate?

Question 124mediummultiple choice

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A company is moving its on-premises workloads to AWS. The company's chief financial officer notes that AWS can provide computing resources at a lower cost per unit because AWS spreads the cost of building and maintaining vast data centers across millions of customers. This cost advantage is best described as an example of which concept?

Question 125mediummultiple choice

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A company uses Amazon EC2 instances and Amazon S3 for its workloads. The finance team reviews the monthly AWS bill and notices it includes line items for EC2 instance hours, data transfer out from EC2, and S3 storage usage. The bill shows exactly how many hours each instance ran and how much data was transferred. The company uses this detailed usage data to allocate costs to different departments and to optimize resource utilization. This scenario best demonstrates which essential characteristic of cloud computing?

Question 126mediummultiple choice

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A company runs a customer-facing web application on a single Amazon EC2 instance. To ensure the application remains accessible if the instance fails, the company launches a second EC2 instance in a different Availability Zone and configures an Application Load Balancer to distribute traffic. The application continues to serve users with minimal downtime during the failure of any single instance. This scenario best demonstrates which cloud computing concept?

Question 127mediummultiple choice

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A global gaming company needs to deploy its application in multiple geographic locations to reduce latency for players worldwide. The application must also remain available even if an entire data center fails. The company plans to run the application on Amazon EC2 instances behind an Application Load Balancer. Which combination of AWS global infrastructure components should the company use to meet these requirements?

Question 128mediummultiple choice

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A company runs multiple containerized applications on a single Amazon ECS cluster using AWS Fargate. The company's compliance team asks whether sharing the same underlying physical hardware with other AWS customers introduces security risks. The company explains that AWS isolates each customer's compute environment, even though resources are drawn from a shared pool. Which essential characteristic of cloud computing does this arrangement best illustrate?

Question 129mediummultiple choice

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A retail company runs a web application on Amazon EC2 instances behind an Application Load Balancer. During a promotional event, traffic spikes to 10 times the normal level. The company configured an Amazon EC2 Auto Scaling group with a scaling policy that adds instances when CPU utilization exceeds 70% and removes instances when it drops below 30%. The application handles the spike without any manual intervention, and after the event ends, the number of instances automatically decreases to the original count, saving costs. This scenario best demonstrates which cloud computing concept?

Question 130mediummultiple choice

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A company uses AWS to run its web application. A developer needs to add additional storage capacity to an Amazon EC2 instance that hosts the application's database. The developer logs in to the AWS Management Console, navigates to the Amazon EC2 dashboard, creates a new Amazon EBS volume, attaches it to the instance, and mounts it within the operating system. The entire process takes less than 10 minutes and does not require any interaction with AWS support or approval from the IT department. Which essential characteristic of cloud computing does this scenario best demonstrate?

Question 131mediummultiple choice

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A financial services company must keep customer financial records on-premises to comply with data residency regulations. The company wants to use AWS services such as Amazon SageMaker and Amazon Athena to run analytics on anonymized subsets of the data. The company establishes a dedicated AWS Direct Connect connection between its on-premises data center and its VPC, and uses AWS Storage Gateway to cache frequently accessed data locally while storing all data in Amazon S3. Which cloud deployment model does this architecture represent?

Question 132mediummultiple choice

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A company runs a monthly batch data analytics job that requires 50 compute instances for exactly 2 hours. On AWS, the company launches 50 Amazon EC2 instances, runs the job, and then terminates all instances. The company's AWS bill shows a charge for only 100 instance-hours (50 instances × 2 hours). Which essential characteristic of cloud computing does this billing model best demonstrate?

Question 133easymultiple choice

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A multinational company hosts its customer relationship management (CRM) application on AWS. Sales team members access the CRM from various locations using desktop computers, laptops, tablets, and smartphones. They connect over the internet through standard web browsers. Which essential characteristic of cloud computing does this scenario best illustrate?

Question 134mediummultiple choice

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A company runs a customer-facing web application with an Amazon RDS database. Initially, the database is deployed as a single instance in one Availability Zone (AZ). A power outage occurs in that AZ, causing the database to become unavailable for several hours. After the incident, the company modifies the database to use a Multi-AZ configuration. Shortly after the change, another power outage affects the same primary AZ. This time, the database automatically fails over to the standby instance in the other AZ without any manual intervention, and the application remains available. Which cloud computing concept does this scenario best demonstrate?

Question 135easymultiple choice

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A startup runs its web application on a few Amazon EC2 instances. Over time, the company scales its infrastructure, adding hundreds more instances to support a growing user base. The company notices that the per-hour cost per instance does not increase as it uses more resources. In fact, AWS has steadily lowered prices for compute and storage services over the years. Which cloud computing concept does this scenario best illustrate?

Question 136mediummultiple choice

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A healthcare organization stores sensitive patient records in Amazon S3. The organization's compliance team learns that AWS stores data from multiple customers on the same physical hardware. They are concerned that data from different customers could be mixed or accessed by another customer. Which fundamental characteristic of cloud computing explains how AWS allows customers to share physical infrastructure while keeping each customer's data logically isolated?

Question 137mediummultiple choice

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A company runs a web application on Amazon EC2 instances behind an Application Load Balancer. The application experiences unpredictable traffic patterns, with sudden spikes during promotional events and low traffic at other times. The company configures an Auto Scaling group to automatically add EC2 instances when CPU utilization exceeds 70% and remove instances when utilization drops below 30%. The system handles the spike without any manual intervention and reduces capacity when demand decreases. Which fundamental characteristic of cloud computing does this scenario best illustrate?

Question 138mediummultiple choice

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A company migrates its workloads to AWS. After the migration, the company receives a monthly invoice that shows precise charges for each service used, such as the exact number of Amazon EC2 instance hours consumed and the amount of data stored in Amazon S3. The company uses this detailed usage data to allocate costs to different departments. Which essential characteristic of cloud computing does this scenario best demonstrate?

Question 139mediummultiple choice

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A company's development team regularly creates temporary test environments. Each time, they log into the AWS Management Console, select the required Amazon EC2 instance types and storage, and launch the resources without needing to contact AWS support or their IT department. The team also terminates the resources when testing is complete. Which essential characteristic of cloud computing does this scenario best demonstrate?

Question 140easymultiple choice

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A developer needs to launch a test EC2 instance for a new prototype. The developer logs into the AWS Management Console, selects an instance type, and launches the instance without contacting AWS support or waiting for approval. Which cloud computing characteristic does this demonstrate?

Question 141easymultiple choice

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A company's employees access AWS services using the AWS Management Console from their office laptops, the AWS mobile app on their smartphones, and the AWS CLI from their home computers. Which cloud computing characteristic does this illustrate?

Question 142easymultiple choice

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AWS builds and operates large physical data centres and uses virtualisation to serve thousands of customers simultaneously on shared hardware while keeping each customer's data logically isolated. Which cloud computing characteristic does this describe?

Question 143easymultiple choice

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An e-commerce company runs its website on Amazon EC2. During normal operation, 10 instances are sufficient. During a major sale event, traffic increases 20x and the Auto Scaling group automatically adds 190 additional instances within minutes. After the sale, the instances are terminated. Which cloud computing characteristic does this behaviour demonstrate?

Question 144easymultiple choice

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A startup runs an application on AWS and receives a monthly bill that charges exactly for the number of compute hours used, the gigabytes of data stored, and the gigabytes of data transferred. The company pays nothing for resources they did not use. Which cloud computing characteristic does this represent?

Question 145easymultiple choice

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A company wants to run a MySQL database on AWS. They require full control over the operating system, MySQL version selection, storage layout, and network configuration. Which cloud service model provides this level of control?

Question 146easymultiple choice

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A development team wants to deploy a Python web application to AWS without managing load balancers, auto scaling groups, or the underlying EC2 instance operating systems. They want to upload their code and have AWS handle the infrastructure. Which cloud service model does this represent?

Question 147easymultiple choice

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A company uses Amazon WorkMail for corporate email. Employees access email through a web browser or mobile app. The company does not manage any servers, email software, or storage infrastructure. Which cloud service model does this represent?

Question 148easymultiple choice

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A company has migrated all of its workloads to AWS and has decommissioned all of its on-premises data centres. All compute, storage, databases, and networking are now managed in AWS. Which cloud deployment model describes this architecture?

Question 149easymultiple choice

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A government agency runs all of its computing workloads on hardware located in its own secure facility. No resources are hosted with a third-party cloud provider. The agency manages all servers, networking equipment, and storage. Which cloud deployment model describes this architecture?

Question 150mediummultiple choice

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A financial institution runs its core banking application on-premises due to regulatory requirements. It has connected its data centre to AWS using AWS Direct Connect and runs analytics workloads on AWS that access data from the on-premises systems. Which cloud deployment model does this describe?

Question 151mediummultiple choice

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A solutions architect is reviewing an application design to ensure the system can automatically recover from failures, scale horizontally to increase availability, and prevent failures from cascading to other components. Which pillar of the AWS Well-Architected Framework is the architect applying?

Question 152mediummultiple choice

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An operations team documents all operational procedures as runbooks, deploys infrastructure using AWS CloudFormation templates stored in version control, and continuously refines their processes based on lessons learned from incidents. Which pillar of the AWS Well-Architected Framework does this represent?

Question 153mediummultiple choice

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A solutions architect is reviewing a system to ensure the right instance types are selected for each workload, that resource selection is based on data rather than assumptions, and that performance is monitored and improved over time. Which pillar of the AWS Well-Architected Framework is being applied?

Question 154mediummultiple choice

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A finance team works with architects to eliminate unused EC2 instances, right-size over-provisioned resources, replace On-Demand instances with Reserved Instances for stable workloads, and adopt managed services to reduce operational overhead. Which AWS Well-Architected Framework pillar guides these activities?

Question 155easymultiple choice

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A company needs to deploy their application in multiple geographic locations to ensure data sovereignty compliance and reduce latency for users in different continents. What is the AWS infrastructure concept that represents a distinct geographic area with multiple isolated locations?

Question 156easymultiple choice

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A company deploys their web application across multiple isolated locations within the same AWS Region, each with independent power, cooling, and networking. This design ensures that a failure in one location does not affect the others. What are these isolated locations called?

Question 157easymultiple choice

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Amazon CloudFront serves cached content to users from the closest possible network point, with over 400 such points globally. What are these network points called?

Question 158mediummultiple choice

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A company wants to migrate 50 virtual machines from their on-premises data centre to AWS as quickly as possible to reduce data centre costs. They plan to move the VMs without making any changes to the applications. Which cloud migration strategy does this represent?

Question 159easymultiple choice

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A startup can now test a new application idea by provisioning cloud resources in minutes, run the experiment for a week, and tear down the resources if the idea fails — spending only a few dollars. Previously, the same experiment would have required months of procurement and significant capital expenditure. Which cloud benefit does this illustrate?

Question 160easymultiple choice

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AWS can offer lower pay-as-you-go pricing than a single company could achieve operating its own data centre because AWS aggregates usage from hundreds of thousands of customers. Which cloud computing benefit does this describe?

Question 161easymultiple choice

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Before moving to AWS, a company over-provisioned their data centre servers to handle projected peak traffic, resulting in expensive idle capacity most of the time. After migrating, the company uses Auto Scaling to match capacity exactly to actual demand. Which cloud benefit does this represent?

Question 162easymultiple choice

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A company wants to deploy their application to users in North America, Europe, and Asia Pacific to reduce latency. Using AWS, they can provision infrastructure in new geographic regions within minutes using the same tools and templates. Which cloud benefit does this illustrate?

Question 163mediummultiple choice

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A solutions architect implements IAM least-privilege policies, enables encryption for all data at rest and in transit, configures VPC security groups and NACLs to limit network access, and sets up automated security incident detection. Which Well-Architected Framework pillar covers these activities?

Question 164easymultiple choice

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A company used to spend $2 million upfront purchasing servers and building a data centre before launching a new product. With AWS, they provision resources as needed and pay monthly based on actual usage. Which cloud benefit does this represent?

Question 165mediummultiple choice

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A company's leadership team wants a structured framework for planning their AWS cloud migration that addresses organisational change management, skills development, governance, platform, security, and operations. Which AWS framework provides guidance across these perspectives?

Question 166mediummultiple choice

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A company wants to minimise the environmental impact of their AWS workloads by choosing the right instance sizes, maximising utilisation, using graviton processors for better performance per watt, and designing architectures that reduce total compute needed. Which AWS Well-Architected Framework pillar guides these decisions?

Question 167mediummultiple choice

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A company uses Amazon RDS to run their production database. Under the AWS Shared Responsibility Model, who is responsible for patching the underlying database engine software?

Question 168mediummultiple choice

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A company deploys their web application across two Availability Zones using an Application Load Balancer. If one AZ experiences an outage, traffic is automatically routed to the other AZ and the application continues to function. Which cloud benefit does this demonstrate?

Question 169easymultiple choice

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A company discovers they have 30 EC2 instances running 24/7 that are almost never used — CPU utilisation under 1%. Terminating these idle instances would save thousands of dollars per month. Which AWS Well-Architected Framework pillar encourages this practice?

Question 170mediummultiple choice

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A company migrates their self-managed MySQL database running on a virtual machine to Amazon RDS for MySQL, taking advantage of managed backups and Multi-AZ without changing the database schema or application code. Which migration strategy does this represent?

Question 171easymultiple choice

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Which cloud computing characteristic allows a company to pay only for the compute resources they actually use, without upfront commitments?

Question 172mediummultiple choice

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The AWS Well-Architected Framework's Reliability pillar recommends automatically recovering from failure. Which AWS feature directly enables automated recovery when an EC2 instance status check fails?

Question 173easymultiple choice

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Which statement best describes the AWS global infrastructure concept of an Availability Zone (AZ)?

Question 174mediummultiple choice

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A startup wants to ensure its web application automatically handles traffic spikes during product launches without over-provisioning resources during quiet periods. Which AWS capability best addresses this requirement?

Question 175hardmultiple choice

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According to the AWS Well-Architected Framework, which design principle is most closely associated with the recommendation to 'stop spending money on undifferentiated heavy lifting'?

Question 176mediummultiple choice

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A company is planning to migrate to AWS. Their CTO wants to understand how AWS's massive scale benefits smaller customers. Which AWS cloud economic concept explains this benefit?

Question 177easymultiple choice

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Which AWS Well-Architected Framework pillar focuses on protecting information, systems, and assets while delivering business value through risk assessments and mitigation strategies?

Question 178mediummultiple choice

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According to the AWS Shared Responsibility Model, which of the following is AWS responsible for?

Question 179hardmultiple choice

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A company wants to improve their application's reliability by ensuring it can handle the failure of a single Availability Zone. According to AWS Well-Architected Framework, what architectural pattern achieves this?

Question 180mediummultiple choice

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Which benefit of cloud computing allows a company to experiment with new ideas and quickly spin down failed experiments without financial penalty?

Question 181mediummultiple choice

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A company is evaluating cloud adoption. Which of the following is a benefit of moving to the cloud over traditional on-premises infrastructure? (Select all that apply in context: which single answer best captures the operational model shift?)

Question 182mediummultiple choice

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Which AWS Well-Architected Framework pillar includes recommendations for using a mix of purchase options and rightsizing instances to optimize costs?

Question 183easymultiple choice

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Under the AWS Shared Responsibility Model, which of the following is the customer's responsibility when using Amazon RDS?

Question 184hardmultiple choice

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A company is designing a microservices architecture on AWS. According to the AWS Well-Architected Framework's Operational Excellence pillar, which practice best supports the ability to safely make frequent, small changes to production?

Question 185mediummultiple choice

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Which statement accurately describes the relationship between AWS Regions and Availability Zones?

Question 186mediummultiple choice

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A company is adopting the cloud and wants to improve operational efficiency by treating their infrastructure as code. Which AWS service allows them to define and provision AWS infrastructure using JSON or YAML templates?

Question 187easymultiple choice

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Which statement best describes the concept of 'infrastructure as code' (IaC) in the context of AWS?

Question 188hardmultiple choice

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A company is evaluating the AWS Sustainability pillar in the Well-Architected Framework. Which action aligns with AWS cloud sustainability best practices?

Question 189mediummultiple choice

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Which cloud concept describes the ability of cloud services to remain operational even when individual components fail, through techniques like redundancy, replication, and automatic failover?

Question 190easymultiple choice

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A small startup wants to launch a new application on AWS without any upfront investment in servers. Which cloud computing deployment model allows them to use AWS infrastructure without owning any physical hardware?

Question 191mediummultiple choice

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According to the AWS Well-Architected Framework, what does the Performance Efficiency pillar primarily focus on?

Question 192hardmultiple choice

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A company architect is designing a new system on AWS. They want to implement the Well-Architected Framework principle of 'loosely coupled components.' Which architecture pattern best achieves this?

Question 193mediummultiple choice

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A company wants to migrate their on-premises applications to AWS but is concerned about losing visibility into their infrastructure. Which AWS service provides a centralized inventory of all AWS resources and tracks configuration changes over time?

Question 194mediummultiple choice

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Which AWS service provides a managed workflow for human review tasks, allowing machine learning models to request human oversight for low-confidence predictions?

Question 195mediummultiple choice

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A company wants to take advantage of AWS's global infrastructure to replicate their database to a second geographic region for disaster recovery. Which benefit of cloud computing does this leverage?

Question 196hardmultiple choice

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A company is designing a cloud architecture and wants to follow the Well-Architected Framework principle of 'stop guessing capacity.' Which AWS feature directly supports this principle?

Question 197mediummultiple choice

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Which statement correctly describes the difference between horizontal scaling and vertical scaling in cloud computing?

Question 198mediummultiple choice

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According to the AWS Shared Responsibility Model, which of the following is the customer's responsibility when using AWS Lambda?

Question 199easymultiple choice

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A startup founder is evaluating whether to build their own data center or use AWS. Which cloud benefit eliminates the need for guessing future infrastructure requirements and making large upfront investments?

Question 200mediummultiple choice

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What is the purpose of an AWS Region when designing a global cloud architecture?

Question 201mediummultiple choice

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A company currently owns and operates its own data center. They are considering moving to AWS. Which economic benefit describes the elimination of the costs associated with purchasing, maintaining, and cooling physical servers?

Question 202hardmultiple choice

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A company is designing a resilient multi-tier web application on AWS. The architect wants to implement the Well-Architected Framework Reliability pillar design principle of 'automatically recover from failure.' Which combination of services implements this most completely?

Question 203mediummultiple choice

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Which cloud computing benefit allows a company's development team to spin up a testing environment in 5 minutes instead of waiting 6 weeks for hardware procurement and data center provisioning?

Question 204mediummultiple choice

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A company architect uses the Well-Architected Framework to review their workload. Which pillar specifically covers the concepts of selecting the right instance types and sizes, using serverless architectures, and choosing the appropriate storage solution?

Question 205mediummultiple choice

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A company wants to understand the AWS Well-Architected Framework's sixth pillar added in 2021. Which pillar focuses on minimizing the environmental impact of cloud workloads?

Question 206mediummultiple choice

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A company's CTO asks about the AWS Cloud Adoption Framework (AWS CAF). Which statement about AWS CAF is accurate?

Question 207mediummultiple choice

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An enterprise is planning their cloud adoption strategy. They want to understand how cloud adoption typically progresses. Which framework provides a structured approach to cloud adoption organized around business, people, governance, platform, security, and operations perspectives?

Question 208easymultiple choice

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Which of the following is NOT one of the five characteristics of cloud computing as defined by NIST?

Question 209mediummultiple choice

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A company's architecture team is evaluating their multi-tier application against the AWS Well-Architected Framework. They discover that their database has no backup and recovery procedure. Which pillar does this finding fall under?

Question 210mediummultiple choice

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A company is migrating to AWS and wants to understand the different types of cloud service models. Which model describes a service where the provider manages everything including the application, and the customer only manages their data and user access?

Question 211mediummultiple choice

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A company has a hybrid cloud environment with both on-premises servers and AWS. They want a consistent management experience across both environments. Which AWS service extends the same AWS Systems Manager capabilities to non-AWS servers?

Question 212mediummultiple choice

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Which AWS concept describes the practice of tracking and managing costs using software engineering principles — such as tagging, automation, and real-time visibility — to enable engineers and teams to make cost-aware decisions?

Question 213mediummultiple choice

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A company is calculating the Total Cost of Ownership (TCO) for migrating to AWS vs. staying on-premises. Which costs are typically REDUCED when migrating to AWS?

Question 214easymultiple choice

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What is the primary purpose of an AWS Virtual Private Cloud (VPC)?

Question 215mediummultiple choice

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A company is assessing their on-premises environment before migrating to AWS. Which AWS service helps discover on-premises servers, profile their utilization, and create a business case for cloud migration?

Question 216mediummultiple choice

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A company's application has components that tightly depend on each other, making it difficult to scale individual components or update one without affecting others. The architects want to refactor to a more resilient architecture. What AWS design principle addresses this?

Question 217easymultiple choice

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Which statement best describes 'high availability' in the context of AWS cloud architecture?

Question 218mediummulti select

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A company wants to adopt AWS and is performing a readiness assessment. The AWS Cloud Adoption Framework (CAF) identifies which two areas that most cloud migrations fail to address adequately?

Question 219mediummultiple choice

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A startup is evaluating cloud vs. on-premises for their new product. Which cloud characteristic means they can experiment with 10 servers for a week, then scale to 1,000 servers for a product launch, and back to 10 afterward — paying only for what they use?

Question 220hardmultiple choice

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A company architect is reviewing their architecture for the Operational Excellence pillar of the Well-Architected Framework. Which practice is a core recommendation of this pillar?

Question 221mediummultiple choice

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Which AWS concept describes the strategy of designing applications so that any individual component can fail without causing the entire system to fail?

Question 222mediummultiple choice

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A company is migrating a large enterprise workload to AWS. They want to understand all the migration strategies available. Which framework categorizes cloud migration strategies as the '7 Rs'?

Question 223easymultiple choice

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Under the AWS Shared Responsibility Model, what is AWS responsible for when a customer uses AWS Lambda?

Question 224mediummultiple choice

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Which AWS service provides managed, automated workflows for coordinating migration tasks such as tracking migration status, grouping servers into migration waves, and coordinating cutover?

Question 225easymultiple choice

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Which statement about AWS pricing is accurate?

Question 226mediummultiple choice

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A company wants to ensure its cloud architecture can handle sudden spikes in traffic without manual intervention. Which cloud concept best describes this capability?

Question 227hardmultiple choice

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According to the AWS Well-Architected Framework, which pillar focuses on the ability to run workloads effectively, gain insight into operations, and continuously improve processes?

Question 228mediummultiple choice

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Which benefit of cloud computing allows organizations to avoid the capital expense of buying hardware and instead pay only for what they use?

Question 229easymultiple choice

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Which of the following best describes an AWS Region?

Question 230mediummultiple choice

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Which cloud deployment model involves running applications on AWS infrastructure managed entirely by AWS, where the customer does not manage any physical hardware?

Question 231hardmultiple choice

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A customer is evaluating moving to AWS and asks about the total cost of ownership (TCO) benefits. Which of the following is NOT a factor that reduces TCO when migrating to AWS?

Question 232mediummultiple choice

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A company is designing a system where a failure in one component does not cause cascading failures across the entire application. Which architectural concept does this represent?

Question 233mediumdrag order

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Drag and drop the steps to launch an EC2 instance in the correct order.

Drag steps to the numbered slots on the right, or tap a step then tap a slot.

Steps

Order

1Step 1

2Step 2

3Step 3

4Step 4

5Step 5

6Step 6

Question 234mediumdrag order

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Drag and drop the steps to create an IAM user with programmatic access and attach a policy in the correct order.

Drag steps to the numbered slots on the right, or tap a step then tap a slot.

Steps

Order

1Step 1

2Step 2

3Step 3

4Step 4

5Step 5

Question 235mediumdrag order

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Drag and drop the steps to troubleshoot an EC2 instance that is not reachable via SSH in the correct order.

Drag steps to the numbered slots on the right, or tap a step then tap a slot.

Steps

Order

1Step 1

2Step 2

3Step 3

4Step 4

5Step 5

Question 236mediummatching

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Match each AWS service to its primary category.

Drag a concept onto its matching description — or click a concept then click the description.

Concepts

Matches

Compute

Storage

Database

Networking & Content Delivery

Compute

Question 237mediummatching

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Match each AWS storage service to its description.

Drag a concept onto its matching description — or click a concept then click the description.

Concepts

Matches

Object storage for any data

Block storage for EC2 instances

File storage for multiple EC2 instances

Low-cost archival storage

Hybrid cloud storage integration

Question 238mediummatching

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Match each AWS pricing concept to its definition.

Drag a concept onto its matching description — or click a concept then click the description.

Concepts

Matches

Pay for compute capacity by the hour/second

Significant discount for 1-3 year commitment

Unused EC2 capacity at steep discount

Flexible pricing model for compute usage

Limited free usage for new customers