12 Rendering questions from the Blazor bank, written for Indian campus drives and tech interviews. Every question has a verified answer and an AI-tutor explanation on placd.
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A.generating a component's initial HTML on the server so the page shows content before interactivity is wired up
B.the method that flags a component as needing to re-render, used when state changes outside a normal event
C.the low-level object used in C# to emit component output imperatively instead of using markup
D.the process of comparing a new output against the previous one and applying only the minimal DOM changes
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2. Which term means: "the method that flags a component as needing to re-render, used when state changes outside a normal event"?
Junior
A.RenderTreeBuilder
B.Render tree diffing
C.Prerendering
D.StateHasChanged
Answer + AI explanation with Pro
3. Which statement is correct?
Junior
A.StateHasChanged — the method that flags a component as needing to re-render, used when state changes outside a normal event
B.StateHasChanged — generating a component's initial HTML on the server so the page shows content before interactivity is wired up
C.StateHasChanged — the process of comparing a new output against the previous one and applying only the minimal DOM changes
D.StateHasChanged — the low-level object used in C# to emit component output imperatively instead of using markup
Answer + AI explanation with Pro
4. What is Render tree diffing?
Mid
A.the low-level object used in C# to emit component output imperatively instead of using markup
B.the method that flags a component as needing to re-render, used when state changes outside a normal event
C.the process of comparing a new output against the previous one and applying only the minimal DOM changes
D.generating a component's initial HTML on the server so the page shows content before interactivity is wired up
Answer + AI explanation with Pro
5. Which term means: "the process of comparing a new output against the previous one and applying only the minimal DOM changes"?
Mid
A.StateHasChanged
B.Prerendering
C.RenderTreeBuilder
D.Render tree diffing
Answer + AI explanation with Pro
6. Which statement is correct?
Mid
A.Render tree diffing — the process of comparing a new output against the previous one and applying only the minimal DOM changes
B.Render tree diffing — generating a component's initial HTML on the server so the page shows content before interactivity is wired up
C.Render tree diffing — the method that flags a component as needing to re-render, used when state changes outside a normal event
D.Render tree diffing — the low-level object used in C# to emit component output imperatively instead of using markup
Answer + AI explanation with Pro
7. What is Prerendering?
Mid
A.generating a component's initial HTML on the server so the page shows content before interactivity is wired up
B.the process of comparing a new output against the previous one and applying only the minimal DOM changes
C.the low-level object used in C# to emit component output imperatively instead of using markup
D.the method that flags a component as needing to re-render, used when state changes outside a normal event
Answer + AI explanation with Pro
8. Which term means: "generating a component's initial HTML on the server so the page shows content before interactivity is wired up"?
Mid
A.Render tree diffing
B.Prerendering
C.StateHasChanged
D.RenderTreeBuilder
Answer + AI explanation with Pro
9. Which statement is correct?
Mid
A.Prerendering — the process of comparing a new output against the previous one and applying only the minimal DOM changes
B.Prerendering — generating a component's initial HTML on the server so the page shows content before interactivity is wired up
C.Prerendering — the method that flags a component as needing to re-render, used when state changes outside a normal event
D.Prerendering — the low-level object used in C# to emit component output imperatively instead of using markup
Answer + AI explanation with Pro
10. What is RenderTreeBuilder?
Senior
A.the method that flags a component as needing to re-render, used when state changes outside a normal event
B.the process of comparing a new output against the previous one and applying only the minimal DOM changes
C.the low-level object used in C# to emit component output imperatively instead of using markup
D.generating a component's initial HTML on the server so the page shows content before interactivity is wired up
Answer + AI explanation with Pro
11. Which term means: "the low-level object used in C# to emit component output imperatively instead of using markup"?
Senior
A.Render tree diffing
B.Prerendering
C.RenderTreeBuilder
D.StateHasChanged
Answer + AI explanation with Pro
12. Which statement is correct?
Senior
A.RenderTreeBuilder — the low-level object used in C# to emit component output imperatively instead of using markup
B.RenderTreeBuilder — the method that flags a component as needing to re-render, used when state changes outside a normal event
C.RenderTreeBuilder — generating a component's initial HTML on the server so the page shows content before interactivity is wired up
D.RenderTreeBuilder — the process of comparing a new output against the previous one and applying only the minimal DOM changes
Answer + AI explanation with Pro
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