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CLF-C02 Router R1 Cannot Reach R3 Practice Questions

Use this page to practise CLF-C02 Router R1 Cannot Reach R3 Practice Questions practice questions. The goal is not to memorise dumps, but to understand the concept, review the explanation and improve your exam readiness.

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15
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CLF-C02
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Amazon Web Services
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Scenario guide

How to approach router r1 cannot reach r3 practice questions

Practise routing and connectivity troubleshooting scenarios involving R1, R2, R3, static routes, OSPF, next hops and routing tables.

Quick answer

Router R1 Cannot Reach R3 Practice Questions questions test whether you can apply the concept in context, not just recognise a definition.

How the topic appears in realistic exam-style scenarios.

Which detail in the question changes the correct answer.

How to eliminate plausible but wrong options.

How to connect the question back to the wider exam objective.

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Practice set

Practice scenarios

Question 1mediummultiple choice
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A company is developing a microservices application on AWS. The application includes a front-end web tier and a backend order processing service. The front-end sends order requests to the backend, which may take several seconds to process. The company wants to ensure that the front-end does not wait for the backend to complete, and that no orders are lost if the backend service is temporarily unavailable. Which AWS service should the company use to decouple the front-end and backend?

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Question 2mediummultiple choice
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A company is developing a microservices application using Docker containers. The development team wants to deploy and run these containers on AWS without having to provision or manage any underlying EC2 instances. Additionally, the team does not want to manage the container orchestration control plane. They need a fully serverless compute engine for containers that automatically scales based on demand. Which AWS compute option should the team use?

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Question 3mediummultiple choice
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A company is developing a microservices-based application using Docker containers. The development team wants to run these containers on AWS without having to provision or manage any servers. The solution must automatically scale the containers based on demand and integrate with an Application Load Balancer for traffic distribution. Which AWS service should the team use to meet these requirements?

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Question 4mediummultiple choice
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A company is developing a microservices application on AWS. The application has multiple independent services that must communicate asynchronously. The company needs a fully managed service to reliably store and deliver messages between these services, ensuring that each message is processed at least once and allowing the services to scale independently. Which AWS service should the company use?

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Question 5mediummultiple choice
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A company is developing a mobile application that requires a database to store user session data and preferences. The data is accessed very frequently with low-latency requirements, and the access patterns are unpredictable – the application experiences sudden spikes in read and write traffic. The company wants a fully managed database service that automatically scales to handle the workload, requires no patching or server administration, and charges based on the throughput consumed rather than on provisioned capacity. Which AWS service meets these requirements?

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Question 6mediummultiple choice
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A company is building a microservices application on AWS. The application consists of multiple independent services that need to communicate asynchronously. When an order is placed, the order service must send a notification to the inventory service, the shipping service, and the analytics service simultaneously. The company wants a fully managed, durable, and scalable messaging service that supports a fan-out pattern where a single message can be delivered to multiple subscribers. Which AWS service should the company use to meet these requirements?

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Question 7mediummultiple choice
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A company is building a serverless order-processing application. The workflow consists of several steps that must run in a defined order: validate the order, check inventory, process payment, and then update the database. Some steps, such as shipping notification and invoice generation, can run in parallel after payment is confirmed. The company needs a managed service to orchestrate these steps, automatically handle retries if a step fails, and provide a visual representation of the workflow's execution state. Which AWS service should the company use?

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Question 8mediummultiple choice
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A company is developing a mobile application backend. The backend needs to process REST API requests that are triggered by user actions in the app. Usage is expected to start low but may spike unpredictably. The development team wants to focus solely on writing code and does not want to manage any servers or containers. The team also wants to only pay for compute time when requests are being processed. Which AWS service should the team use to meet these requirements?

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Question 9mediummultiple choice
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A company is developing a web application that uses Node.js, Express, and a MySQL database. The development team wants to deploy the application to AWS without manually configuring Amazon EC2 instances, load balancers, or Auto Scaling groups. They want AWS to automatically manage the underlying infrastructure, monitor application health, and allow them to deploy new versions by simply uploading a zip file. Which AWS service should the team use to meet these requirements?

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Question 10mediummultiple choice
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A company operates an e-commerce website that sends transactional emails such as order confirmations, password reset links, and shipping updates to customers. The company expects email volume to grow significantly during promotional events. The development team wants a fully managed AWS service that can reliably send high volumes of transactional emails, provide real-time tracking of bounces and complaints, and allow integration through a simple API. The team does not want to manage any email servers. Which AWS service should the team use?

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Question 11mediummultiple choice
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A company is developing a real-time multiplayer game that requires extremely low latency (under 10ms) for player interactions. The game will be accessed by mobile users on 5G networks in select metropolitan areas. The company wants to run the game server logic as close to the users as possible, leveraging the low latency of 5G and avoiding the round trip to an AWS Region. Which AWS service should the company use to deploy the game server compute at the edge of the 5G network?

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Question 12mediummultiple choice
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A company is developing a REST API that processes customer orders. The API receives JSON payloads via HTTPS and performs short-lived operations, such as data validation, transformation, and writing to a database. The workload is very unpredictable: sometimes there are long periods of inactivity, but during flash sales the API may receive thousands of requests per second for a few minutes. The company wants a fully managed compute service that automatically scales to handle any request volume, charges only for the compute time used during execution, and requires no server provisioning or ongoing infrastructure management. Which AWS service should the company use?

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Question 13mediummultiple choice
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A mobile gaming company is developing a real-time multiplayer game that requires ultra-low latency (under 10 milliseconds) for player interactions. The company expects most of its users to be on 5G mobile networks. To meet the latency requirement, the company needs to deploy compute and storage resources as close as possible to the mobile subscribers, directly at the edge of the telecommunications network. Which AWS service should the company use?

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Question 14easymultiple 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?

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Question 15mediummultiple 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?

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These CLF-C02 practice questions are part of Courseiva's free Amazon Web Services certification practice question bank. Courseiva provides original exam-style CLF-C02 questions with detailed explanations, topic-based practice, mock exams, readiness tracking, and study analytics.