Microsoft Azure Architect Design (AZ-304) Practice Test

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Prepare for the Microsoft Azure Architect Design (AZ-304) Exam with comprehensive quiz questions designed to enhance your understanding and confidence. Master essential Azure concepts and strategies to excel on your test day!

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To ensure users connect to the closest instance of a web app while avoiding failed instances, which two services could be recommended?

Azure Front Door Service, Azure Application Gateway
Azure Load Balancer, round-robin DNS
Azure Front Door Service, Azure Traffic Manager
Round-robin DNS, Azure Traffic Manager

The correct answer is: Azure Front Door Service, Azure Traffic Manager

The selection of Azure Front Door Service and Azure Traffic Manager is appropriate for ensuring users connect to the nearest instance of a web app while also effectively handling failed instances. Azure Front Door Service is designed for global applications and provides features for load balancing, SSL offloading, and application acceleration through its edge nodes. It dynamically routes users to the nearest deployed instance based on routing policies, which helps enhance performance and resilience. In case an instance becomes unavailable, Azure Front Door can automatically redirect traffic to healthy instances, ensuring high availability and minimizing downtime. Azure Traffic Manager, on the other hand, is a DNS-based load balancer that can direct user traffic to various endpoints globally based on various routing methods such as performance, priority, or geographic location. It can also monitor the health of the application endpoints and avoid sending traffic to those instances that are not responding. Together, these services ensure that user connections are optimized for performance by routing them to the nearest and healthiest instance, thus creating a robust and resilient web application architecture.