Blazor Assessment Test

Q: What are the main .NET tests?

Key .NET tests include the C# & .NET Test , .NET Online Test , and the ASP.NET MVC 5 Test .

The Blazor Test evaluates a candidate's proficiency in building interactive web UIs using C# and .NET. It covers Blazor components, state management, and lifecycle, along with C# fundamentals and .NET Core concepts. Through MCQs and coding questions, it assesses the ability to create efficient, scalable web applications using Blazor framework.

Covered skills:

Blazor Components
Blazor Lifecycle
Blazor State Management
C# Fundamentals
LINQ
Asynchronous Programming
.NET Core Concepts
Dependency Injection
Entity Framework Core
Web API Development
Razor Syntax
SignalR Integration

Get started for free

Preview questions

About the Blazor Test

The Blazor Assessment Test helps recruiters and hiring managers identify qualified candidates from a pool of resumes, and helps in taking objective hiring decisions. It reduces the administrative overhead of interviewing too many candidates and saves time by filtering out unqualified candidates at the first step of the hiring process.

The test screens for the following skills that hiring managers look for in candidates:

Able to create and utilize Blazor Components for building interactive web UIs
Understanding the Blazor Component Lifecycle and its stages
Effective State Management in Blazor applications
Proficient in C# Fundamentals including syntax and basic programming concepts
Capable of using LINQ for querying collections in an efficient manner
Implementing Asynchronous Programming to improve application performance
Knowledge of .NET Core Concepts for building cross-platform applications
Implementing Dependency Injection to manage service lifetimes effectively
Using Entity Framework Core for database operations
Developing and consuming Web APIs
Mastering Razor Syntax for building Blazor components
Integrating SignalR for real-time web functionalities

1200+ customers in 80 countries

Use Adaface tests trusted by recruitment teams globally. Adaface skill assessments measure on-the-job skills of candidates, providing employers with an accurate tool for screening potential hires.

Get started for free

Preview questions

Non-googleable questions

We have a very high focus on the quality of questions that test for on-the-job skills. Every question is non-googleable and we have a very high bar for the level of subject matter experts we onboard to create these questions. We have crawlers to check if any of the questions are leaked online. If/ when a question gets leaked, we get an alert. We change the question for you & let you know.

How we design questions

These are just a small sample from our library of 15,000+ questions. The actual questions on this Blazor Test will be non-googleable.

🧐 Question
Hard Classes and Constructors OOPs Polymorphism Object-oriented Programming	Solve
What is the output of the following C# code?
Easy Arrays and Exceptions Arrays Exceptions	Solve
What is the output of the following C# code?
Medium Multiple Namespaces Namespace Management	Solve
Class Student exists in both firstnamespace and secondnamespace namespaces. Which of the following are the correct ways to use the Student class?
Medium Static and constructors OOPs	Solve
What is the output of the following C# code?
Medium AppDomain Resource Scoping Configuration Management AppDomain Resource Scoping	Solve
Consider a scenario where you have a .NET application that needs to load different configurations for different components running in separate AppDomains. You have the following code structure: The `ConfigManager` class is designed to load and store configurations for different domains. What will be the output of this program, assuming `ConfigA.xml` and `ConfigB.xml` contain distinct settings? A: Config in DomainA: [Settings from ConfigA.xml], Config in DomainB: [Settings from ConfigB.xml] B: Config in DomainA: null, Config in DomainB: null C: Config in DomainA: [Settings from ConfigB.xml], Config in DomainB: [Settings from ConfigA.xml] D: A runtime exception is thrown due to cross-domain operation. E: Config in DomainA: [Settings from ConfigA.xml], Config in DomainB: [Settings from ConfigA.xml] F: The output is unpredictable and depends on the runtime environment.
Medium IDisposable Pattern Garbage Collection IDisposable Pattern Memory Management	Solve
Consider the following .NET C# code snippet implementing IDisposable pattern: What is true about the garbage collection and resource management in this code? A: The finalizer will always be called when the object is garbage collected. B: The `Dispose` method is only called when explicitly invoked. C: Managed resources will be freed in the finalizer. D: Unmanaged resources are only freed if `Dispose` is called with `true`. E: The `GC.SuppressFinalize` method prevents the finalizer from being called. F: The `using` statement ensures that unmanaged resources are always freed.
Medium Remoting and Object Lifetime .NET Remoting Object Lifetime MarshalByRefObject	Solve
In a .NET application, you are using .NET Remoting to communicate between different application domains. You have the following server-side code: This `RemoteObject` class is hosted in one application domain and accessed from another. Considering the lease settings (InitialLeaseTime, SponsorshipTimeout, RenewOnCallTime), what will happen if a client accesses the `GetData` method every 3 seconds? A: The object will be disconnected after 5 seconds, regardless of the calls. B: The lease will be renewed, and the object remains accessible as long as it's called every 3 seconds. C: The object will be disconnected after 7 seconds, even with the regular calls. D: An exception will be thrown due to lease timeout. E: The lease will be renewed indefinitely without disconnection. F: The object will be disconnected only if there is a call after 5 seconds but within 7 seconds.

	🧐 Question	🔧 Skill
	Hard Classes and Constructors OOPs Polymorphism Object-oriented Programming	2 mins C#	Solve
What is the output of the following C# code?
	Easy Arrays and Exceptions Arrays Exceptions	2 mins C#	Solve
What is the output of the following C# code?
	Medium Multiple Namespaces Namespace Management	2 mins C#	Solve
Class Student exists in both firstnamespace and secondnamespace namespaces. Which of the following are the correct ways to use the Student class?
	Medium Static and constructors OOPs	3 mins C#	Solve
What is the output of the following C# code?
	Medium AppDomain Resource Scoping Configuration Management AppDomain Resource Scoping	3 mins .NET	Solve
Consider a scenario where you have a .NET application that needs to load different configurations for different components running in separate AppDomains. You have the following code structure: The `ConfigManager` class is designed to load and store configurations for different domains. What will be the output of this program, assuming `ConfigA.xml` and `ConfigB.xml` contain distinct settings? A: Config in DomainA: [Settings from ConfigA.xml], Config in DomainB: [Settings from ConfigB.xml] B: Config in DomainA: null, Config in DomainB: null C: Config in DomainA: [Settings from ConfigB.xml], Config in DomainB: [Settings from ConfigA.xml] D: A runtime exception is thrown due to cross-domain operation. E: Config in DomainA: [Settings from ConfigA.xml], Config in DomainB: [Settings from ConfigA.xml] F: The output is unpredictable and depends on the runtime environment.
	Medium IDisposable Pattern Garbage Collection IDisposable Pattern Memory Management	2 mins .NET	Solve
Consider the following .NET C# code snippet implementing IDisposable pattern: What is true about the garbage collection and resource management in this code? A: The finalizer will always be called when the object is garbage collected. B: The `Dispose` method is only called when explicitly invoked. C: Managed resources will be freed in the finalizer. D: Unmanaged resources are only freed if `Dispose` is called with `true`. E: The `GC.SuppressFinalize` method prevents the finalizer from being called. F: The `using` statement ensures that unmanaged resources are always freed.
	Medium Remoting and Object Lifetime .NET Remoting Object Lifetime MarshalByRefObject	3 mins .NET	Solve
In a .NET application, you are using .NET Remoting to communicate between different application domains. You have the following server-side code: This `RemoteObject` class is hosted in one application domain and accessed from another. Considering the lease settings (InitialLeaseTime, SponsorshipTimeout, RenewOnCallTime), what will happen if a client accesses the `GetData` method every 3 seconds? A: The object will be disconnected after 5 seconds, regardless of the calls. B: The lease will be renewed, and the object remains accessible as long as it's called every 3 seconds. C: The object will be disconnected after 7 seconds, even with the regular calls. D: An exception will be thrown due to lease timeout. E: The lease will be renewed indefinitely without disconnection. F: The object will be disconnected only if there is a call after 5 seconds but within 7 seconds.

	🧐 Question	🔧 Skill	💪 Difficulty	⌛ Time
	Classes and Constructors OOPs Polymorphism Object-oriented Programming	C#	Hard	2 mins	Solve
What is the output of the following C# code?
	Arrays and Exceptions Arrays Exceptions	C#	Easy	2 mins	Solve
What is the output of the following C# code?
	Multiple Namespaces Namespace Management	C#	Medium	2 mins	Solve
Class Student exists in both firstnamespace and secondnamespace namespaces. Which of the following are the correct ways to use the Student class?
	Static and constructors OOPs	C#	Medium	3 mins	Solve
What is the output of the following C# code?
	AppDomain Resource Scoping Configuration Management AppDomain Resource Scoping	.NET	Medium	3 mins	Solve
Consider a scenario where you have a .NET application that needs to load different configurations for different components running in separate AppDomains. You have the following code structure: The `ConfigManager` class is designed to load and store configurations for different domains. What will be the output of this program, assuming `ConfigA.xml` and `ConfigB.xml` contain distinct settings? A: Config in DomainA: [Settings from ConfigA.xml], Config in DomainB: [Settings from ConfigB.xml] B: Config in DomainA: null, Config in DomainB: null C: Config in DomainA: [Settings from ConfigB.xml], Config in DomainB: [Settings from ConfigA.xml] D: A runtime exception is thrown due to cross-domain operation. E: Config in DomainA: [Settings from ConfigA.xml], Config in DomainB: [Settings from ConfigA.xml] F: The output is unpredictable and depends on the runtime environment.
	IDisposable Pattern Garbage Collection IDisposable Pattern Memory Management	.NET	Medium	2 mins	Solve
Consider the following .NET C# code snippet implementing IDisposable pattern: What is true about the garbage collection and resource management in this code? A: The finalizer will always be called when the object is garbage collected. B: The `Dispose` method is only called when explicitly invoked. C: Managed resources will be freed in the finalizer. D: Unmanaged resources are only freed if `Dispose` is called with `true`. E: The `GC.SuppressFinalize` method prevents the finalizer from being called. F: The `using` statement ensures that unmanaged resources are always freed.
	Remoting and Object Lifetime .NET Remoting Object Lifetime MarshalByRefObject	.NET	Medium	3 mins	Solve
In a .NET application, you are using .NET Remoting to communicate between different application domains. You have the following server-side code: This `RemoteObject` class is hosted in one application domain and accessed from another. Considering the lease settings (InitialLeaseTime, SponsorshipTimeout, RenewOnCallTime), what will happen if a client accesses the `GetData` method every 3 seconds? A: The object will be disconnected after 5 seconds, regardless of the calls. B: The lease will be renewed, and the object remains accessible as long as it's called every 3 seconds. C: The object will be disconnected after 7 seconds, even with the regular calls. D: An exception will be thrown due to lease timeout. E: The lease will be renewed indefinitely without disconnection. F: The object will be disconnected only if there is a call after 5 seconds but within 7 seconds.

Get started for free

Preview questions

With Adaface, we were able to optimise our initial screening process by upwards of 75%, freeing up precious time for both hiring managers and our talent acquisition team alike!

Brandon Lee, Head of People, Love, Bonito

It's very easy to share assessments with candidates and for candidates to use. We get good feedback from candidates about completing the tests. Adaface are very responsive and friendly to deal with.

Kirsty Wood, Human Resources, WillyWeather

We were able to close 106 positions in a record time of 45 days! Adaface enables us to conduct aptitude and psychometric assessments seamlessly. My hiring managers have never been happier with the quality of candidates shortlisted.

Amit Kataria, CHRO, Hanu

We evaluated several of their competitors and found Adaface to be the most compelling. Great library of questions that are designed to test for fit rather than memorization of algorithms.

Swayam Narain, CTO, Affable

Why you should use Pre-employment Blazor Assessment Test?

The Blazor Test makes use of scenario-based questions to test for on-the-job skills as opposed to theoretical knowledge, ensuring that candidates who do well on this screening test have the relavant skills. The questions are designed to covered following on-the-job aspects:

Building and structuring Blazor components
Implementing component lifecycle methods in Blazor
Managing state in Blazor applications
Writing C# code for Blazor components and pages
Utilizing LINQ for data manipulation in C#
Implementing asynchronous programming with async/await
Understanding .NET Core fundamentals and architecture
Configuring dependency injection in Blazor applications
Querying databases using Entity Framework Core
Developing RESTful APIs with ASP.NET Core Web API

Once the test is sent to a candidate, the candidate receives a link in email to take the test. For each candidate, you will receive a detailed report with skills breakdown and benchmarks to shortlist the top candidates from your pool.

What topics are covered in the Blazor Assessment Test?

Blazor Components: Blazor Components are reusable UI elements in Blazor applications. They encapsulate HTML markup, CSS, and C# code, promoting modularity and code reuse. Proficiency in creating and managing components is crucial for building efficient and maintainable Blazor applications.

Blazor Lifecycle: Understanding the Blazor component lifecycle is essential for managing state and performing operations at the right time. It includes methods like OnInitialized, OnParametersSet, and OnAfterRender. Mastery of these lifecycle methods enables developers to optimize performance and handle complex scenarios effectively.

Blazor State Management: Effective state management is critical in Blazor applications for maintaining data consistency across components. Techniques include using component parameters, cascading values, and services. This skill is vital for creating responsive and scalable Blazor applications.

C# Fundamentals: C# is the primary language used in Blazor development. Strong knowledge of C# syntax, object-oriented programming concepts, and language features is fundamental. This skill forms the foundation for writing efficient and maintainable Blazor code.

LINQ: Language Integrated Query (LINQ) is a powerful feature for querying and manipulating data in C#. It simplifies data operations and improves code readability. LINQ proficiency is valuable for efficient data handling in Blazor applications.

Asynchronous Programming: Asynchronous programming is crucial for creating responsive Blazor applications. It involves using async/await keywords and Task-based operations. This skill ensures smooth user experiences by preventing UI blocking during long-running operations.

.NET Core Concepts: .NET Core provides the runtime and framework for Blazor applications. Understanding core concepts like middleware, configuration, and hosting is essential. This knowledge enables developers to leverage the full potential of the .NET ecosystem in Blazor projects.

Dependency Injection: Dependency Injection (DI) is a design pattern widely used in Blazor for managing object dependencies. It promotes loose coupling and improves testability. Mastery of DI is crucial for creating modular and maintainable Blazor applications.

Entity Framework Core: Entity Framework Core is an ORM for .NET, often used in Blazor applications for database operations. It simplifies data access and management. Proficiency in EF Core is important for efficient data handling and integration with backend services.

Web API Development: Web APIs are commonly used to expose backend services to Blazor applications. Understanding RESTful principles and API design is crucial. This skill enables seamless integration between Blazor front-ends and backend services.

Razor Syntax: Razor is the templating engine used in Blazor for mixing C# code with HTML. It allows for dynamic content generation and component rendering. Mastery of Razor syntax is fundamental for creating interactive and data-driven Blazor UIs.

SignalR Integration: SignalR enables real-time, bi-directional communication between server and clients. Integration with Blazor allows for creating responsive, real-time applications. This skill is valuable for developing interactive features like chat systems or live updates in Blazor apps.

Full list of covered topics

The actual topics of the questions in the final test will depend on your job description and requirements. However, here's a list of topics you can expect the questions for Blazor Test to be based on.

Component Basics

Component Parameters

Event Handlers

Lifecycle Methods

OnInitialized

OnParametersSet

OnAfterRender

State Containers

Local Storage

Session Storage

Basic Syntax

Control Structures

Error Handling

Generics

Collections

Anonymous Types

LINQ Queries

LINQ Operators

Deferred Execution

Async Await

Task Class

Parallel Programming

Middleware

Routing

Entity Framework

DbContext

EF Migrations

HTTP Client

API Endpoints

JSON Serialization

Razor Expressions

Razor Loops

Razor Conditions

SignalR Hub

SignalR Client

SignalR Events

What roles can I use the Blazor Assessment Test for?

Blazor Developer
.NET Full Stack Developer
C# Software Engineer
ASP.NET Core Developer
Front-end .NET Developer
Web Application Developer
Blazor UI Developer
.NET Cloud Developer
C# Backend Developer
.NET Solutions Architect

How is the Blazor Assessment Test customized for senior candidates?

For intermediate/ experienced candidates, we customize the assessment questions to include advanced topics and increase the difficulty level of the questions. This might include adding questions on topics like

Optimizing Blazor component rendering and performance
Implementing advanced state management patterns
Integrating SignalR for real-time communication
Designing scalable Blazor component hierarchies
Implementing complex LINQ queries and expressions
Handling concurrency in asynchronous operations
Customizing middleware in .NET Core applications
Implementing unit testing for Blazor components
Optimizing Entity Framework Core for performance
Securing Web APIs with authentication and authorization

The coding question for experienced candidates will be of a higher difficulty level to evaluate more hands-on experience.

Preview this test

View sample scorecard

Try the most advanced candidate assessment platform

ChatGPT Protection

Non-googleable Questions

Web Proctoring

IP Proctoring

Webcam Proctoring

MCQ Questions

Coding Questions

Typing Questions

Personality Questions

Custom Questions

Ready-to-use Tests

Custom Tests

Custom Branding

Bulk Invites

Public Links

ATS Integrations

Multiple Question Sets

Custom API integrations

Role-based Access

Priority Support

GDPR Compliance

Screen candidates in 3 easy steps

Pick a test from over 500+ tests

The Adaface test library features 500+ tests to enable you to test candidates on all popular skills- everything from programming languages, software frameworks, devops, logical reasoning, abstract reasoning, critical thinking, fluid intelligence, content marketing, talent acquisition, customer service, accounting, product management, sales and more.

Invite your candidates with 2-clicks

Make informed hiring decisions

Get started for free

Preview questions

Have questions about the Blazor Hiring Test?

What is the Blazor Test?

The Blazor Test evaluates a candidate's expertise in developing applications using Blazor, C#, and .NET technologies. It is commonly used by recruiters to ensure applicants have the necessary skills for Blazor development roles.

Can I combine the Blazor Test with C# questions?

Yes, you can request a custom test including both Blazor and C# questions. For more details, you can refer to the C# Online Test.

What topics are evaluated in the Blazor Test?

The Blazor Test covers topics like Blazor Components, Blazor Lifecycle, Blazor State Management, C# Fundamentals, LINQ, Asynchronous Programming, .NET Core Concepts, Dependency Injection, Entity Framework Core, Web API Development, Razor Syntax, and SignalR Integration.

How to use the Blazor Test in my hiring process?

Use the test as a pre-screening tool at the beginning of your hiring process. Add a link to the assessment in your job post or invite candidates directly by email. This helps identify capable candidates quickly and accurately.

Can I test Blazor and .NET together in a test?

Yes, you can combine Blazor and .NET questions in a single test. This allows you to assess both skill sets simultaneously. For more details, check the .NET Online Test.

What are the main .NET tests?

Key .NET tests include the C# & .NET Test, .NET Online Test, and the ASP.NET MVC 5 Test.

Can I combine multiple skills into one custom assessment?

Yes, absolutely. Custom assessments are set up based on your job description, and will include questions on all must-have skills you specify. Here's a quick guide on how you can request a custom test.

Do you have any anti-cheating or proctoring features in place?

We have the following anti-cheating features in place:

Non-googleable questions
IP proctoring
Screen proctoring
Web proctoring
Webcam proctoring
Plagiarism detection
Secure browser
Copy paste protection

Read more about the proctoring features.

How do I interpret test scores?

The primary thing to keep in mind is that an assessment is an elimination tool, not a selection tool. A skills assessment is optimized to help you eliminate candidates who are not technically qualified for the role, it is not optimized to help you find the best candidate for the role. So the ideal way to use an assessment is to decide a threshold score (typically 55%, we help you benchmark) and invite all candidates who score above the threshold for the next rounds of interview.

What experience level can I use this test for?

Each Adaface assessment is customized to your job description/ ideal candidate persona (our subject matter experts will pick the right questions for your assessment from our library of 10000+ questions). This assessment can be customized for any experience level.

Does every candidate get the same questions?

Yes, it makes it much easier for you to compare candidates. Options for MCQ questions and the order of questions are randomized. We have anti-cheating/ proctoring features in place. In our enterprise plan, we also have the option to create multiple versions of the same assessment with questions of similar difficulty levels.

I'm a candidate. Can I try a practice test?

No. Unfortunately, we do not support practice tests at the moment. However, you can use our sample questions for practice.

What is the cost of using this test?

You can check out our pricing plans.

Can I get a free trial?

Yes, you can sign up for free and preview this test.

I just moved to a paid plan. How can I request a custom assessment?

Here is a quick guide on how to request a custom assessment on Adaface.

View sample scorecard

Along with scorecards that report the performance of the candidate in detail, you also receive a comparative analysis against the company average and industry standards.

View sample scorecard