200-901 Software Development and Design Practice Question
In the MVC (Model-View-Controller) pattern, which component is responsible for handling user input and updating the model?
⚠ Common exam trap
Cisco often tests the misconception that the Router is part of the MVC pattern, but in reality, the Router is a separate component used for URL dispatch, not for handling user input or updating the Model.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Controller
In the MVC pattern, the Controller is the component that receives user input (e.g., HTTP requests, button clicks) and translates it into commands that update the Model. It acts as the intermediary between the View and the Model, ensuring that user actions trigger appropriate changes in the application's data layer.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Controller
Why this is correct
The Controller receives user input, translates it into operations, and invokes the Model to update state, satisfying the stem's requirement for input handling plus model updating. The View only renders output, and the Model holds data and business logic, so neither performs the input-driven update role.
- ✗
Model
Why it's wrong here
The Model holds data and business logic; it does not receive user input or trigger its own updates. It is tempting because the controller does update the model, so the model appears involved, but input handling and update initiation belong to the controller.
- ✗
Router
Why it's wrong here
A router maps URLs to controller actions in web frameworks; it is not an MVC component and does not update the model. It is tempting because routers do direct incoming requests, which resembles input handling, but dispatch differs from the controller's model-update role.
- ✗
View
Why it's wrong here
The View renders data to the user; it neither handles input nor writes to the model. It is tempting because views display forms and buttons that capture input, but they forward events to the controller rather than updating the model themselves.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 200-901 practice question is part of Courseiva's free Cisco certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 200-901 exam.