AZ-204 Question #249: Real Exam Question with Answer & Explanation

Question

You are developing applications for a company. You plan to host the applications on Azure App Services. The company has the following requirements: - Every five minutes verify that the websites are responsive. - Verify that the websites respond within a specified time threshold. - Dependent requests such as images and JavaScript files must load properly. - Generate alerts if a website is experiencing issues. - If a website fails to load, the system must attempt to reload the site three more times. You need to implement this process with the least amount of effort. What should you do?

Options

• ACreate a Selenium web test and configure it to run from your workstation as a scheduled task.
• BSet up a URL ping test to query the home page.
• CCreate an Azure function to query the home page.
• DCreate a multi-step web test to query the home page.
• ECreate a Custom Track Availability Test to query the home page.

Explanation

There are three types of availability tests: - URL ping test: a simple test that you can create in the Azure portal. - Multi-step web test: A recording of a sequence of web requests, which can be played back to test more complex scenarios. Multi-step web tests are created in Visual Studio Enterprise and uploaded to the portal for execution. - Custom Track Availability Tests: If you decide to create a custom application to run availability tests, the TrackAvailability() method can be used to send the results to Application Insights. The name URL ping test is a bit of a misnomer. These tests don't use Internet Control Message Protocol (ICMP) to check your site's availability. Instead, they use more advanced HTTP request functionality to validate whether an endpoint is responding. They measure the performance associated with that response. They also add the ability to set custom success criteria, coupled with more advanced features like parsing dependent requests and allowing for retries. If you selected Parse dependent requests, then all the images, style files, scripts, and other dependent resources must have been received within this period. https://docs.microsoft.com/en-us/azure/azure-monitor/app/monitor-web-app-availability https://docs.microsoft.com/en-us/azure/azure-monitor/app/monitor-web-app-availability#see-your- availability-test-results https://docs.microsoft.com/en-us/azure/azure-monitor/app/availability-multistep https://docs.microsoft.com/en-us/azure/azure-monitor/app/monitor-web-app-availability#success-

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