Cold start and premium plan in Azure - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to select the Azure Function plan that avoids cold starts.

Azure

az functionapp plan create --name myPlan --resource-group myResourceGroup --location eastus --sku [1]

Drag options to blanks, or click blank then click option'

APremium

BStandard

CBasic

DConsumption

Attempts:

3 left

💡 Hint

Common Mistakes

Choosing Consumption plan which can cause cold starts.

Confusing Basic or Standard plans with Premium.

The Premium plan in Azure Functions helps avoid cold starts by keeping instances warm.

2fill in blank

medium

Complete the code to enable pre-warmed instances in the Premium plan.

Azure

az functionapp plan update --name myPlan --resource-group myResourceGroup --min-instances [1]

Drag options to blanks, or click blank then click option'

A10

B0

C5

D1

Attempts:

3 left

💡 Hint

Common Mistakes

Setting zero min-instances which disables pre-warming.

Choosing too many min-instances unnecessarily.

Setting min-instances to 1 pre-warms one instance to reduce cold start delays.

3fill in blank

hard

Fix the error in the command to create a Premium plan with 2 pre-warmed instances.

Azure

az functionapp plan create --name myPlan --resource-group myResourceGroup --location eastus --sku [1] --min-instances [2]

Drag options to blanks, or click blank then click option'

AConsumption

BPremium

CStandard

D2

Attempts:

3 left

💡 Hint

Common Mistakes

Using Consumption SKU which does not support pre-warming.

Omitting min-instances or setting it incorrectly.

The SKU must be Premium to support pre-warmed instances, and min-instances sets how many are pre-warmed.

4fill in blank

hard

Fill both blanks to configure an Azure Function app to use the Premium plan and enable Always On.

Azure

az functionapp create --name myFunctionApp --resource-group myResourceGroup --plan [1] --runtime python --functions-version 4 && az functionapp config set --name myFunctionApp --resource-group myResourceGroup --always-on [2]

Drag options to blanks, or click blank then click option'

AmyPremiumPlan

Btrue

Cfalse

DmyConsumptionPlan

Attempts:

3 left

💡 Hint

Common Mistakes

Using Consumption plan name instead of Premium.

Setting Always On to false which allows cold starts.

Use the Premium plan name and set Always On to true to avoid cold starts.

5fill in blank

hard

Fill all three blanks to create a Premium plan, set pre-warmed instances, and deploy a function app using it.

Azure

az functionapp plan create --name [1] --resource-group myResourceGroup --location eastus --sku [2] --min-instances 3 && az functionapp create --name myFunctionApp --resource-group myResourceGroup --plan [3] --runtime node --functions-version 4

Drag options to blanks, or click blank then click option'

ApremiumPlanX

BPremium

DConsumption

Attempts:

3 left

💡 Hint

Common Mistakes

Using Consumption SKU which does not support pre-warming.

Mismatching plan names between creation and deployment.

Create a Premium plan named premiumPlanX with 3 pre-warmed instances, then deploy the function app using that plan.