Updated file name

Author: Rob-Barefoot

learn-pr/wwl-azure/describe-azure-storage-services/includes/5-exercise-create-storage-blob.md

@@ -7,4 +7,4 @@ Launch the exercise and follow the instructions.
 > [!NOTE]
 > You'll need access to a Microsoft Azure subscription to complete this exercise.
 
-[![Button to launch exercise.](../media/launch-exercise.png)](https://microsoftlearning.github.io/AZ-900-Microsoft-Azure-Fundamentals/Instructions/Labs/05-exercise-create-storage-blob.html)
+[![Button to launch exercise.](../media/launch-exercise-button.png)](https://microsoftlearning.github.io/AZ-900-Microsoft-Azure-Fundamentals/Instructions/Labs/05-exercise-create-storage-blob.html)

learn-pr/wwl-azure/describe-core-architectural-components-of-azure/includes/7-exercise-create-azure-resource.md

@@ -2,4 +2,4 @@ In this exercise, you’ll use the Azure portal to create a resource. The focus
 
 Launch the exercise and follow the instructions.
 
-[![Button to launch exercise.](../media/launch-exercise.png)](https://microsoftlearning.github.io/AZ-900-Microsoft-Azure-Fundamentals/Instructions/Labs/02-exercise-create-azure-resource.html)
+[![Button to launch exercise.](../media/launch-exercise-button.png)](https://microsoftlearning.github.io/AZ-900-Microsoft-Azure-Fundamentals/Instructions/Labs/02-exercise-create-azure-resource.html)

learn-pr/wwl-azure/describe-features-tools-azure-for-governance-compliance/includes/5-exercise-configure-resource-lock.md

@@ -4,4 +4,4 @@ Launch the exercise and follow the instructions.
 > [!NOTE]
 > You'll need access to a Microsoft Azure subscription to complete this exercise.
 
-[![Button to launch exercise.](../media/launch-exercise.png)](https://microsoftlearning.github.io/AZ-900-Microsoft-Azure-Fundamentals/Instructions/Labs/08-exercise-configure-resource-lock.html)
+[![Button to launch exercise.](../media/launch-exercise-button.png)](https://microsoftlearning.github.io/AZ-900-Microsoft-Azure-Fundamentals/Instructions/Labs/08-exercise-configure-resource-lock.html)