Azure Functions: A Comprehensive Guide for Beginners

Question 1

What is the primary purpose of the 'func init' command in Azure Functions?

Accepted Answer

Creates a new function app and initializes a local development environment

Answer

Deploys a function app and its functions to Microsoft Azure

Answer

Runs a function locally for testing and debugging purposes

Answer

Deletes a function app and all of its associated resources

Question 2

Which Azure Functions component is responsible for managing the execution of functions?

Accepted Answer

Function Runtime

Answer

Function App

Answer

Function Trigger

Answer

Function Binding

Question 3

What is the purpose of the 'local.settings.json' file in Azure Functions?

Accepted Answer

Stores application settings and secrets for local development, which are not deployed to production

Answer

Defines the triggers and bindings for functions, enabling them to respond to specific events or interact with external services

Answer

Deploys functions to Microsoft Azure and manages their runtime configuration

Answer

Configures the Function Runtime environment and its behavior

Question 4

When creating a new Azure Function using the Azure portal, what is the default programming language?

Accepted Answer

C#

Answer

JavaScript

Answer

Python

Answer

Java

Question 5

What is the primary purpose of the 'host.json' file in an Azure Function project?

Accepted Answer

To define configuration settings, such as function execution behavior and environment variables

Answer

To contain the code for the function

Answer

To specify dependencies required by the function

Answer

To connect the function to the Azure Functions runtime

Question 6

Azure Functions automatically adjust resources to match demand. How does this impact cost?

Accepted Answer

You are only billed for the time your function code is actively running.

Answer

You pay a fixed monthly fee for resources used, regardless of function execution time.

Answer

Azure Functions don't scale automatically; you manually allocate resources.

Answer

You manually scale resources as needed and pay a monthly fee for what's provisioned.

Question 7

Which approach enables efficient deployment and management of Azure Functions within a CI/CD pipeline?

Accepted Answer

Integration with Azure DevOps via the Azure Functions extension

Accepted Answer

Utilization of a third-party CI/CD tool like Jenkins or CircleCI

Answer

Manual deployment using Azure Functions Core Tools

Question 8

In Azure Functions, which programming model is primarily employed?

Accepted Answer

Function Apps

Answer

WebJobs

Answer

Azure Service Fabric

Answer

Virtual Machines

Question 9

Which of these languages is not supported by Azure Functions?

Accepted Answer

COBOL

Answer

Python

Answer

C#

Answer

JavaScript

Question 10

What is the primary purpose of the 'host.json' file in an Azure Functions project?

Accepted Answer

To configure function execution parameters

Answer

To specify package dependencies

Answer

To store function logs

Answer

To define function code

Question 11

How do Durable Functions differ from standard Azure Functions?

Accepted Answer

Durable Functions can maintain state across multiple function executions

Answer

Durable Functions run exclusively on a specific server

Answer

Durable Functions are more efficient

Answer

Durable Functions need additional configuration

Question 12

When handling errors in Azure Functions, what is the recommended approach?

Accepted Answer

Utilize 'try/catch' blocks or 'async/await' patterns

Answer

Throw an unhandled exception

Answer

Return a 500 error code

Answer

Log the error and disregard it

Question 13

Azure Functions is best described as:

Accepted Answer

A platform for running code without managing servers, facilitating serverless computing.

Answer

A relational database service for cloud storage.

Answer

A specialized programming language for cloud-based applications.

Question 14

In Azure Functions, what programming languages can be utilized?

Accepted Answer

C#, JavaScript, Python, Java, and Go are all supported languages.

Answer

Java, Go, and Node.js are the only compatible languages.

Answer

C++, Ruby, and VB.NET are the sole supported languages.

Answer

Python, JavaScript, and C# are the only available options.

Question 15

Which primary advantage does Azure Functions offer?

Accepted Answer

Reduced infrastructure management and cost-effectiveness.

Answer

Elevated security and compliance standards.

Answer

Enhanced performance and scalability capabilities.

Question 16

How can Azure Functions be deployed?

Accepted Answer

Azure Portal, Visual Studio, or Azure CLI are all viable deployment methods.

Answer

Deployment is solely possible through Visual Studio.

Answer

Deployment is exclusively possible through Azure CLI.

Answer

Deployment is solely possible through Azure Portal.

Question 17

In Azure Functions, what is the purpose of the 'durable' function pattern?

Accepted Answer

Preserving state across multiple invocations of the function.

Answer

Providing increased fault tolerance and reliability.

Answer

Enhancing performance by caching function results.

Question 18

When developing Azure Functions, which is considered a best practice?

Accepted Answer

Implementing dependency injection for achieving loose coupling.

Answer

Avoiding async/await for improved performance.

Answer

Utilizing global variables for efficient data sharing.

Answer

Creating functions that execute multiple operations simultaneously.

Question 19

What is the primary purpose of the 'host.json' file in Azure Functions?

Accepted Answer

Defining configuration settings pertaining to the function app.

Answer

Storing the source code for the functions.

Answer

Specifying the programming language used by the functions.

Question 20

In Azure Functions, what is the distinction between 'function apps' and 'function instances'?

Accepted Answer

Function apps encapsulate multiple functions, while function instances represent individual executions of a function.

Answer

Function apps are intended for development, while function instances are for deployment.

Question 21

Within Azure Functions, what is the primary function of the runtime?

Accepted Answer

Provides the necessary environment for executing functions

Answer

Handles authentication and authorization processes

Answer

Manages and maintains the underlying server infrastructure

Question 22

What is the main purpose of the Azure Functions dashboard?

Accepted Answer

Facilitates monitoring and management of Azure Functions

Answer

Enables configuration of triggers and bindings

Answer

Supports the creation and deployment of Azure Functions

Answer

Provides a comprehensive view of function logs and metrics

Question 23

In Azure Functions, which binding option is suitable for integration with Azure Storage?

Accepted Answer

Blob storage binding, allowing interaction with Azure Blob storage

Answer

Cosmos DB binding, facilitating interaction with Azure Cosmos DB

Answer

SQL Database binding, supporting integration with Azure SQL Database

Answer

Service Bus binding, enabling communication with Azure Service Bus

Question 24

What is the primary purpose of utilizing Azure Functions Core Tools?

Accepted Answer

Enables local development and management of Azure Functions

Answer

Provides monitoring capabilities for Azure Functions performance

Answer

Assists in configuring triggers for Azure Functions

Answer

Supports deployment of Azure Functions to production environments

Question 25

Which of the following practices is recommended for developing effective Azure Functions?

Accepted Answer

Employ dependency injection for service management

Answer

Create intricate functions with multiple responsibilities

Answer

Hardcode connection strings directly within function code

Answer

Minimize the use of logging statements for enhanced performance

Question 26

What is the primary role of Azure Functions extensions?

Accepted Answer

Enhance the capabilities of Azure Functions by extending its functionality

Answer

Configure Azure Functions for specific scenarios and use cases

Answer

Provide pre-built functions for common tasks, simplifying development

Question 27

What is the name of the configuration file that defines an Azure Function?

Accepted Answer

function.json

Answer

function.config

Answer

function.xml

Question 28

What is the primary purpose of the Azure Functions Core Tools?

Accepted Answer

Developing and managing Azure Functions locally

Answer

Creating Azure Function templates

Answer

Deploying Azure Functions to Azure

Answer

Monitoring Azure Functions performance

Question 29

Which trigger type is used to respond to HTTP requests in Azure Functions?

Accepted Answer

HTTP Trigger

Answer

Timer Trigger

Answer

Blob Trigger

Answer

Queue Trigger

Question 30

What is the maximum execution time for an Azure Function in the Consumption Plan?

Accepted Answer

10 minutes

Answer

Unlimited

Answer

15 minutes

Answer

5 minutes

Question 31

Which binding type enables Azure Functions to interact with Azure Storage?

Accepted Answer

Blob Storage Binding

Answer

HTTP Binding

Answer

Queue Storage Binding

Answer

Cosmos DB Binding

Question 32

What is the primary purpose of using Durable Functions in Azure?

Accepted Answer

Coordinating stateful workflows

Answer

Reducing latency in Azure Functions

Answer

Improving performance of Azure Functions

Answer

Creating serverless web applications

Question 33

Which Azure service provides the underlying infrastructure for running Azure Functions?

Accepted Answer

Azure Functions Runtime

Answer

Azure App Service

Answer

Azure Virtual Machines

Answer

Azure Kubernetes Service

Question 34

How is the deployment of an Azure Function to Azure referred to?

Accepted Answer

Publishing

Answer

Provisioning

Answer

Compiling

Answer

Packaging

Question 35

Which of the following is a key advantage of using Azure Functions, as opposed to traditional server management?

Accepted Answer

Reduced infrastructure costs

Answer

Increased server control

Answer

Improved security

Answer

Enhanced performance

Question 36

What is the primary role of the Azure Functions runtime?

Accepted Answer

Executes code based on triggers

Answer

Provides a development environment

Answer

Manages server infrastructure

Answer

Stores function data

Question 37

What is the main purpose of an Azure Function App?

Accepted Answer

Deploy and manage multiple Azure Functions

Answer

Package Azure Functions for deployment

Answer

Create and edit Azure Functions code

Answer

Monitor and debug Azure Functions

Question 38

Which best practice is recommended for designing Azure Functions?

Accepted Answer

Keep functions small and focused

Answer

Limit the number of functions in an app

Answer

Avoid using input and output bindings

Answer

Use complex data structures

Question 39

What is the difference between input and output bindings in Azure Functions?

Accepted Answer

Input bindings receive data, while output bindings send data

Answer

Output bindings can only be used with C# functions

Answer

Input bindings are used for HTTP triggers, while output bindings are used for event triggers

Question 40

Which of the following is a common use case for Azure Functions?

Accepted Answer

Processing real-time data from IoT devices

Answer

Running complex simulations

Answer

Managing user authentication

Answer

Hosting a website

Question 41

What is the primary function of the Azure Functions CLI?

Accepted Answer

Create, manage, and deploy Azure Functions from the command line

Answer

Monitor Azure Functions performance

Answer

Debug Azure Functions code

Question 42

What is the purpose of setting the 'durable' attribute when defining an Azure Function?

Accepted Answer

Enables the function to maintain state across multiple executions

Answer

Optimizes code execution for improved performance

Answer

Provides enhanced security features

Question 43

What is the name of the JSON file used to define the configuration and bindings for an Azure Function?

Accepted Answer

function.json

Answer

appsettings.json

Answer

settings.json

Answer

config.json

Question 44

Which of the following is a best practice for designing Azure Functions?

Accepted Answer

Keep code concise and focused on a single task

Answer

Use complex algorithms for performance optimization

Answer

Avoid using triggers as they can impact performance

Answer

Store large amounts of data within the function code

Question 45

Which of the following is not a benefit of using Azure Functions?

Accepted Answer

Reduced security due to reliance on a third-party platform.

Answer

Improved scalability by automatically adjusting resources based on demand.

Answer

Elimination of server management responsibilities.

Answer

Lower development costs by paying only for execution time.

Question 46

What is the primary trigger mechanism for an Azure Function?

Accepted Answer

An event or a scheduled time.

Answer

A manual user request.

Answer

A predefined set of input parameters.

Answer

A continuous loop of execution.

Question 47

What is the main purpose of the 'function.json' file in an Azure Function project?

Accepted Answer

Defining the input bindings, output bindings, and trigger for the function.

Answer

Configuring deployment settings for the function.

Answer

Storing the compiled function code.

Question 48

You need to schedule an Azure Function to run every hour. Which trigger type would you choose?

Accepted Answer

Timer Trigger

Answer

HTTP Trigger

Answer

Blob Trigger

Answer

Queue Trigger

Question 49

Which Azure service is used to store configuration settings for Azure Functions?

Accepted Answer

Azure App Configuration

Answer

Azure Storage

Answer

Azure Key Vault

Question 50

How are Azure Functions deployed to Azure?

Accepted Answer

Using Visual Studio Code, Azure CLI, or Azure Portal.

Answer

Using a third-party deployment tool.

Answer

Manually copying the function code to the Azure server.

Question 51

What is the role of Azure Monitor in relation to Azure Functions?

Accepted Answer

Monitoring function execution, performance, and logs.

Answer

Storing function code and configuration.

Answer

Managing function deployments.

Question 52

Which Azure service can be used to integrate an Azure Function with a database?

Accepted Answer

Azure Cosmos DB

Answer

Azure Storage

Answer

Azure Active Directory

Answer

Azure Service Bus

Question 53

You need to create an Azure Function that responds to requests from a mobile app. Which trigger type would be most suitable?

Accepted Answer

HTTP Trigger

Answer

Queue Trigger

Answer

Timer Trigger