18 Data Binding & MVVM questions from the .NET MAUI bank, written for Indian campus drives and tech interviews. Every question has a verified answer and an AI-tutor explanation on placd.
Free to start: the 2-minute IT readiness check — six questions and a result.
A.an ICommand object that exposes an action and a can-execute check, letting buttons invoke logic without event handlers
B.an architecture separating the interface, presentation state and logic, and the underlying data into three distinct layers
C.a connection that synchronizes a control property with a source object property automatically
D.the interface a source implements to raise change events so bound views refresh when values update
Answer + AI explanation with Pro
2. Which term means: "a connection that synchronizes a control property with a source object property automatically"?
Junior
A.MVVM pattern
B.BindingContext
C.CommunityToolkit.Mvvm
D.Binding
Answer + AI explanation with Pro
3. Which statement is correct?
Junior
A.Binding — an architecture separating the interface, presentation state and logic, and the underlying data into three distinct layers
B.Binding — a source-generator library providing ObservableProperty and RelayCommand attributes to cut MVVM boilerplate
C.Binding — a connection that synchronizes a control property with a source object property automatically
D.Binding — an ICommand object that exposes an action and a can-execute check, letting buttons invoke logic without event handlers
Answer + AI explanation with Pro
4. What is BindingContext?
Mid
A.a connection that synchronizes a control property with a source object property automatically
B.an ICommand object that exposes an action and a can-execute check, letting buttons invoke logic without event handlers
C.the source object assigned to a view from which its bound properties resolve their paths
D.the interface a source implements to raise change events so bound views refresh when values update
Answer + AI explanation with Pro
5. Which term means: "the source object assigned to a view from which its bound properties resolve their paths"?
Mid
A.BindingContext
B.Command
C.MVVM pattern
D.Binding
Answer + AI explanation with Pro
6. Which statement is correct?
Mid
A.BindingContext — a connection that synchronizes a control property with a source object property automatically
B.BindingContext — a source-generator library providing ObservableProperty and RelayCommand attributes to cut MVVM boilerplate
C.BindingContext — the source object assigned to a view from which its bound properties resolve their paths
D.BindingContext — the interface a source implements to raise change events so bound views refresh when values update
Answer + AI explanation with Pro
7. What is INotifyPropertyChanged?
Mid
A.the interface a source implements to raise change events so bound views refresh when values update
B.an architecture separating the interface, presentation state and logic, and the underlying data into three distinct layers
C.a connection that synchronizes a control property with a source object property automatically
D.an ICommand object that exposes an action and a can-execute check, letting buttons invoke logic without event handlers
Answer + AI explanation with Pro
8. Which term means: "the interface a source implements to raise change events so bound views refresh when values update"?
Mid
A.Binding
B.BindingContext
C.INotifyPropertyChanged
D.Command
Answer + AI explanation with Pro
9. Which statement is correct?
Mid
A.INotifyPropertyChanged — the source object assigned to a view from which its bound properties resolve their paths
B.INotifyPropertyChanged — an ICommand object that exposes an action and a can-execute check, letting buttons invoke logic without event handlers
C.INotifyPropertyChanged — the interface a source implements to raise change events so bound views refresh when values update
D.INotifyPropertyChanged — a connection that synchronizes a control property with a source object property automatically
Answer + AI explanation with Pro
10. What is Command?
Mid
A.an ICommand object that exposes an action and a can-execute check, letting buttons invoke logic without event handlers
B.an architecture separating the interface, presentation state and logic, and the underlying data into three distinct layers
C.a connection that synchronizes a control property with a source object property automatically
D.a source-generator library providing ObservableProperty and RelayCommand attributes to cut MVVM boilerplate
Answer + AI explanation with Pro
11. Which term means: "an ICommand object that exposes an action and a can-execute check, letting buttons invoke logic without event handlers"?
Mid
A.BindingContext
B.Binding
C.CommunityToolkit.Mvvm
D.Command
Answer + AI explanation with Pro
12. Which statement is correct?
Mid
A.Command — an ICommand object that exposes an action and a can-execute check, letting buttons invoke logic without event handlers
B.Command — a source-generator library providing ObservableProperty and RelayCommand attributes to cut MVVM boilerplate
C.Command — an architecture separating the interface, presentation state and logic, and the underlying data into three distinct layers
D.Command — the interface a source implements to raise change events so bound views refresh when values update
Answer + AI explanation with Pro
13. What is MVVM pattern?
Senior
A.the interface a source implements to raise change events so bound views refresh when values update
B.the source object assigned to a view from which its bound properties resolve their paths
C.a source-generator library providing ObservableProperty and RelayCommand attributes to cut MVVM boilerplate
D.an architecture separating the interface, presentation state and logic, and the underlying data into three distinct layers
Answer + AI explanation with Pro
14. Which term means: "an architecture separating the interface, presentation state and logic, and the underlying data into three distinct layers"?
Senior
A.INotifyPropertyChanged
B.CommunityToolkit.Mvvm
C.Command
D.MVVM pattern
Answer + AI explanation with Pro
15. Which statement is correct?
Senior
A.MVVM pattern — a source-generator library providing ObservableProperty and RelayCommand attributes to cut MVVM boilerplate
B.MVVM pattern — the interface a source implements to raise change events so bound views refresh when values update
C.MVVM pattern — an architecture separating the interface, presentation state and logic, and the underlying data into three distinct layers
D.MVVM pattern — an ICommand object that exposes an action and a can-execute check, letting buttons invoke logic without event handlers
Answer + AI explanation with Pro
16. What is CommunityToolkit.Mvvm?
Senior
A.an ICommand object that exposes an action and a can-execute check, letting buttons invoke logic without event handlers
B.a connection that synchronizes a control property with a source object property automatically
C.the source object assigned to a view from which its bound properties resolve their paths
D.a source-generator library providing ObservableProperty and RelayCommand attributes to cut MVVM boilerplate
Answer + AI explanation with Pro
17. Which term means: "a source-generator library providing ObservableProperty and RelayCommand attributes to cut MVVM boilerplate"?
Senior
A.CommunityToolkit.Mvvm
B.INotifyPropertyChanged
C.MVVM pattern
D.Binding
Answer + AI explanation with Pro
18. Which statement is correct?
Senior
A.CommunityToolkit.Mvvm — the source object assigned to a view from which its bound properties resolve their paths
B.CommunityToolkit.Mvvm — a source-generator library providing ObservableProperty and RelayCommand attributes to cut MVVM boilerplate
C.CommunityToolkit.Mvvm — an architecture separating the interface, presentation state and logic, and the underlying data into three distinct layers
D.CommunityToolkit.Mvvm — an ICommand object that exposes an action and a can-execute check, letting buttons invoke logic without event handlers
Answer + AI explanation with Pro
Free to start
Start with a free readiness check
Sign up free for the 2-minute IT readiness check and a scored result. Answers, explanations and the AI tutor on every Data Binding & MVVM question come with Pro.