AZ-301 Architecture Design & Integration 1 — Questions and Answers
Question 1: A company needs to integrate an on-premises application with Azure services using a message-based architecture. Which Azure service provides reliable asynchronous message delivery with FIFO ordering and exactly-once processing?
- Azure Service Bus (Correct answer)
- Azure Event Hubs
- Azure Storage Queues
- Azure Event Grid
Correct answer: Azure Service Bus
Azure Service Bus supports FIFO ordering and exactly-once message processing via sessions, making it ideal for reliable enterprise messaging.
Question 2: An architect must design a solution where multiple Azure services need to react to events published by an IoT platform processing millions of events per second. Which Azure service is best suited for this high-throughput event ingestion?
- Azure Service Bus
- Azure Event Grid
- Azure Event Hubs (Correct answer)
- Azure Notification Hubs
Correct answer: Azure Event Hubs
Azure Event Hubs is designed for high-throughput event ingestion and can process millions of events per second from IoT and telemetry sources.
Question 3: A solution architect needs to implement API management with throttling, caching, and developer portal features across multiple backend services. Which Azure service should be used?
- Azure Application Gateway
- Azure API Management (Correct answer)
- Azure Front Door
- Azure Traffic Manager
Correct answer: Azure API Management
Azure API Management provides throttling, caching, transformation policies, and a developer portal for managing APIs across multiple backends.
Question 4: When designing a hybrid connectivity solution, a company requires a dedicated private connection from their on-premises datacenter to Azure with guaranteed bandwidth and SLAs. Which service should be used?
- Azure VPN Gateway
- Azure ExpressRoute (Correct answer)
- Azure Virtual WAN
- Azure Bastion
Correct answer: Azure ExpressRoute
Azure ExpressRoute provides a dedicated private connection bypassing the public internet with guaranteed bandwidth and Microsoft SLAs.
Question 5: An architect is designing a multi-tier web application and needs to distribute incoming HTTPS traffic to backend VMs while providing SSL offloading and WAF capabilities. Which service is most appropriate?
- Azure Traffic Manager
- Azure Load Balancer
- Azure Application Gateway (Correct answer)
- Azure Front Door
Correct answer: Azure Application Gateway
Azure Application Gateway operates at Layer 7 and provides SSL offloading, URL-based routing, and an integrated Web Application Firewall.
Question 6: A company wants to implement a serverless integration workflow that connects multiple SaaS services and on-premises systems without writing code. Which Azure service is best suited?
- Azure Functions
- Azure Logic Apps (Correct answer)
- Azure Durable Functions
- Azure API Management
Correct answer: Azure Logic Apps
Azure Logic Apps provides a low-code/no-code workflow designer with 400+ connectors for integrating SaaS and on-premises systems.
AZ-301 Architecture Design & Integration 1
A company needs to integrate an on-premises application with Azure services using a message-based architecture.
Which Azure service provides reliable asynchronous message delivery with FIFO ordering and exactly-once processing?