VB.NET Online Test

The VB.Net online test uses scenario-based multiple-choice questions to evaluate a candidate's knowledge and skills related to VB.Net fundamentals, object-oriented programming concepts, data types and structures, control structures and flow control, exception handling, file I/O, database connectivity and integration, and web services and APIs. The test aims to assess the candidate's ability to write efficient and maintainable code, diagnose and troubleshoot common issues, and follow programming standards and design patterns.

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Screen candidates with a 30 mins test

Test duration: ~ 30 mins

Difficulty level: Moderate

Availability: Available as custom test

Questions:

9 Visual Basic MCQs
6 .NET MCQs

Covered skills:

Variables and Data Types

Operators and Expressions

Control Statements

Arrays

Functions and Procedures

Classes and Objects

Inheritance and Polymorphism

Exception Handling

File Handling

Database Connectivity

ASP.NET Web Forms

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Use the VB.NET Test to shortlist qualified candidates

The VB.NET Online 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:

Ability to understand and use the basic syntax and concepts of VB.NET
Able to create and manipulate variables, along with understanding different data types
Capability to utilize operators and expressions effectively
Proficiency in using control statements to manage program flow
Skill in working with arrays and performing operations on them
Ability to define and implement functions and procedures
Understanding of classes and objects, and their usage in VB.NET
Knowledge of inheritance and polymorphism concepts
Able to handle exceptions and errors
Competence in file handling operations
Familiarity with database connectivity and related operations
Proficiency in creating ASP.NET Web Forms and working with them

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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 VB.NET Online Test will be non-googleable.

🧐 Question
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
	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
	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.

Test candidates on core VB.NET Hiring Test topics

Variables and Data Types: Variables and Data Types refer to the fundamental building blocks of a VB.NET program. This skill covers the declaration and usage of variables, as well as the different data types available in VB.NET. Measuring this skill helps evaluate a candidate's understanding of how to store and manipulate data in a program.

Operators and Expressions: Operators and Expressions deal with the various arithmetic, logical, and relational operators used in VB.NET. This skill includes understanding operator precedence, evaluating expressions, and working with different types of operators. Testing this skill is important to assess a candidate's ability to perform calculations and make logical decisions in their code.

Control Statements: Control Statements refer to the structures used to control the flow of execution in a VB.NET program. This skill covers concepts such as loops (for, foreach, while) and conditional statements (if-else, switch). Measuring this skill helps gauge a candidate's ability to implement logic and make decisions based on different conditions.

Arrays: Arrays provide a way to store multiple values of the same data type in VB.NET. This skill involves understanding how to declare, initialize, and access elements in an array. Testing this skill helps assess a candidate's ability to use arrays effectively in their programs to organize and manipulate data.

Functions and Procedures: Functions and Procedures are reusable code blocks in VB.NET that perform specific tasks. This skill involves understanding how to define functions and procedures, pass parameters, and return values. Testing this skill helps evaluate a candidate's understanding of modular programming and their ability to write reusable code.

Classes and Objects: Classes and Objects are the building blocks of object-oriented programming in VB.NET. This skill covers concepts such as class definition, object instantiation, and accessing class members. Measuring this skill helps assess a candidate's understanding of object-oriented principles and their ability to design and implement classes and objects.

Inheritance and Polymorphism: Inheritance and Polymorphism are key concepts in object-oriented programming. This skill involves understanding how to create derived classes from base classes and how to work with polymorphic behavior. Testing this skill helps evaluate a candidate's understanding of inheritance, code reusability, and their ability to design and implement inheritance hierarchies.

Exception Handling: Exception Handling is a technique used to handle runtime errors gracefully in a program. This skill involves understanding how to catch and handle exceptions using try-catch blocks. Measuring this skill helps assess a candidate's ability to write robust code that can handle unexpected errors and maintain program stability.

File Handling: File Handling involves reading from and writing to files in VB.NET. This skill covers concepts such as file input/output, file access modes, and error handling. Testing this skill helps evaluate a candidate's ability to work with external files, perform file operations, and handle potential file-related errors.

Database Connectivity: Database Connectivity involves connecting and interacting with databases in VB.NET. This skill covers concepts such as establishing connections, executing SQL queries, and retrieving data from databases. Measuring this skill helps assess a candidate's ability to work with databases, perform CRUD operations, and handle data retrieval and manipulation.

ASP.NET Web Forms: ASP.NET Web Forms is a web development framework for creating dynamic websites and web applications using VB.NET. This skill covers topics such as web controls, handling events, and managing state in web forms. Testing this skill helps evaluate a candidate's understanding of web development concepts and their ability to create interactive web applications using VB.NET.

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