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Blazor Assessment 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.

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Screen candidates with a 40 mins test

Test duration:  ~ 40 mins
Difficulty level:  Moderate
Availability:  Available as custom test
Questions:
  • 4 Blazor MCQs
  • 4 C# MCQs
  • 4 .NET MCQs
  • 1 C# Coding Question
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
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Use the Blazor Test to shortlist qualified candidates

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
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Screen candidates with the highest quality 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
Solve
What is the output of the following C# code?
 image

Easy

Arrays and Exceptions
Arrays
Exceptions
Solve
What is the output of the following C# code?
 image

Medium

Multiple Namespaces
Solve
Class Student exists in both firstnamespace and secondnamespace namespaces. Which of the following are the correct ways to use the Student class?
 image

Medium

Static and constructors
OOPs
Solve
What is the output of the following C# code?
 image

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:
 image
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:
 image
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:
 image
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

2 mins

C#
Solve

Easy

Arrays and Exceptions
Arrays
Exceptions

2 mins

C#
Solve

Medium

Multiple Namespaces

2 mins

C#
Solve

Medium

Static and constructors
OOPs

3 mins

C#
Solve

Medium

AppDomain Resource Scoping
Configuration Management
AppDomain
Resource Scoping

3 mins

.NET
Solve

Medium

IDisposable Pattern
Garbage Collection
IDisposable Pattern
Memory Management

2 mins

.NET
Solve

Medium

Remoting and Object Lifetime
.NET Remoting
Object Lifetime
MarshalByRefObject

3 mins

.NET
Solve
🧐 Question🔧 Skill💪 Difficulty⌛ Time
Classes and Constructors
OOPs
C#
Hard2 mins
Solve
Arrays and Exceptions
Arrays
Exceptions
C#
Easy2 mins
Solve
Multiple Namespaces
C#
Medium2 mins
Solve
Static and constructors
OOPs
C#
Medium3 mins
Solve
AppDomain Resource Scoping
Configuration Management
AppDomain
Resource Scoping
.NET
Medium3 mins
Solve
IDisposable Pattern
Garbage Collection
IDisposable Pattern
Memory Management
.NET
Medium2 mins
Solve
Remoting and Object Lifetime
.NET Remoting
Object Lifetime
MarshalByRefObject
.NET
Medium3 mins
Solve

Test candidates on core Blazor Hiring Test topics

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.

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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


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Have questions about the Blazor Hiring Test?

What roles can I use the Blazor Test for?

Here are few roles for which we recommend this test:

  • 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
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.

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.

What are the main .NET tests?

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

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.

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.

Can I get a free trial?

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

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.

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.

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.

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.

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.

What is the cost of using this test?

You can check out our pricing plans.

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.

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