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Playwright Network Mock Practice Test 2026 | Exam Prep

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Q1Domain Verified
In Playwright Network Mocking, when intercepting a request, what is the primary mechanism Playwright uses to intercept and potentially modify network traffic originating from the browser context?
Browser DevTools Protocol (CDP) event listeners that are manually attached by the user.
Service Workers registered within the browser's scope to manage network requests.
Web Worker threads that are spawned to process network requests in parallel.
The `page.route()` method, which acts as a middleware layer to intercept and handle requests.
Q2Domain Verified
Consider a scenario where you need to mock a POST request to `/api/users` with a specific JSON payload and expect a 201 Created status code with a custom response body. Which of the following `page.route()` configurations best achieves this, ensuring the mock is applied only to POST requests?
`page.route('**/api/users', (route) => { if (route.request().method() === 'POST') { route.fulfill({ status: 201, body: JSON.stringify({ id: 123, message: 'User created' }) }); } else { route.continue(); } });`
`page.route('POST **/api/users', (route) => { route.fulfill({ status: 201, body: JSON.stringify({ id: 123, message: 'User created' }) }); });`
`page.route('**/api/users', (route) => { route.fulfill({ status: 201, body: JSON.stringify({ id: 123, message: 'User created' }) }); });`
`page.route('**/api/users', { method: 'POST' }, (route) => { route.fulfill({ status: 201, body: JSON.stringify({ id: 123, message: 'User created' }) }); });`
Q3Domain Verified
When using `page.route()` to intercept and modify a response, what is the purpose of the `route.continue()` method, and in what common scenario would you employ it?
To retry the intercepted request with different headers, ensuring idempotency.
To forward the request to its original destination, allowing the network to handle it as usual.
To terminate the request immediately without sending any response, effectively blocking it.
To fulfill the request with a predefined mock response, overriding the original server's response.

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This domain protocol is rigorously covered in our 2026 Elite Framework. Every mock reflects direct alignment with the official assessment criteria to eliminate performance gaps.

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This domain protocol is rigorously covered in our 2026 Elite Framework. Every mock reflects direct alignment with the official assessment criteria to eliminate performance gaps.

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