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Difficulty: EasyApplication Load Balancing and Delivery

A company is planning to deploy a web application on Azure and requires a load balancing solution. The solution must support SSL/TLS termination at the load balancer level and URL path-based routing (such as routing requests for '/video/*' to a specific backend pool).

Which of the following Azure services support these requirements? (Select TWO)

  1. Azure Application GatewayAnswer
  2. Azure Front DoorAnswer
  3. C
    Azure Traffic Manager
  4. D
    Azure Basic Load Balancer integrated with virtual machines using Standard SKU public IP addresses

Answer

Azure Application Gateway and Azure Front Door are the services that support both SSL/TLS termination and URL path-based routing.
Azure Application Gateway and Azure Front Door both operate at Layer 7 (HTTP/HTTPS) and support SSL/TLS termination and URL-based path routing to backend pools.

Step-by-Step Solution

1
Identify the required routing capabilities.
The requirements specify SSL/TLS termination and URL path-based routing, which require Layer 7 (application-layer) capabilities.
This allows us to filter out services that do not operate at the application layer.
2
Evaluate the capabilities of Azure Front Door and Azure Application Gateway.
Both services operate at Layer 7 and natively support SSL/TLS offloading and URL path-based routing.
This identifies the correct services meeting the application requirements.
3
Evaluate the incorrect options based on limitations and SKU constraints.
Azure Traffic Manager is DNS-based and cannot inspect URL paths or terminate SSL. Azure Load Balancer operates at Layer 4, lacks these Layer 7 features, and cannot mix Basic and Standard SKUs in its configuration.
This confirms why the other options fail to meet the requirements.

Key Concept

Azure Layer 7 load balancing services (Application Gateway and Front Door) support application-layer features like SSL/TLS offloading and path-based routing, unlike Layer 4 or DNS-based balancers.
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Topics

Application Load Balancing and Delivery

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