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Course 4907

Course 4907

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Which of the following follows REST naming conventions?

`/getUsers`, `/user/5`, `/Users/create`

`/GET/users`, `/POST/createUser`, `/DELETE?id=5`

50%

`/bookList`, `/book_details`, `/USER-LIST`

`/users`, `/users/5`, `/book-reviews`

50%

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What is the key difference between PATCH and PUT in REST API design?

PUT is used for authentication, PATCH is for data modification

PATCH sends data as form fields, PUT sends data as JSON

PUT replaces the entire resource; PATCH applies partial updates to specific fields only

100%

PATCH requires the client to send the complete updated resource

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A client sends `Accept: application/json` in a request header. What does this indicate?

The client expects the server to respond with JSON format

100%

The client accepts only compressed responses

The client's request is authenticated using JSON

The client will send data in JSON format

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What is a critical security flaw in storing a JWT token in `localStorage`?

The token automatically expires after 24 hours

The token cannot be sent with HTTP requests

The token is vulnerable to XSS (Cross-Site Scripting) attacks

100%

The token size is limited to 4KB in localStorage

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What does "unidirectional data flow" mean in Flux architecture?

Data flows in both directions simultaneously between all components

Data flows from child components to parent components only

Data flows in one direction: Action → Dispatcher → Store → View, and View dispatches Actions back

100%

Data flows from the server to the client only, never back

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In a JWT-based authentication system, what should happen if `jwt.verify()` throws an error?

The server should return `403 Forbidden`

The server should return `404 Not Found`

The server should return `401 Unauthorized`

100%

The request should be processed as a guest user

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What is hydration in frontend frameworks?

Compressing JSON data before network transmission

Caching API responses in the browser memory

Establishing a WebSocket connection with the server

Attaching event listeners and interactivity to server-rendered HTML

100%

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What does the `Cache-Control: max-age=3600` header mean?

The server will wait 3600 seconds before responding

The response can be cached for 3600 seconds (1 hour) before being revalidated

100%

The response must be refreshed every hour from the server

The response is only valid for 3600 users

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Let's say we have the following git history:

* abc123 (HEAD) Commit message for the oldest commit

* def456 Commit message for second-to-last commit

* xyz789 Commit message for third-to-last commit

What command should we first run to remove the commit with the hash xyz789?

git rebase -i HEAD~3

100%

git rebase --interactive xyz789

git history --drop xyz789

git drop xyz789

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What is the primary advantage of using a Static Site Generator over plain HTML files?

Pages are rendered on the server for each request

SSGs require less configuration than plain HTML

Content and templates are separated, allowing reusable layouts and components

100%

SSGs automatically generate CSS for all components

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