Full-Stack Developer perguntas e respostas de entrevista
Pergunta 41. Explain the concept of progressive web apps (PWAs) and their benefits.
PWAs are web applications that provide a native app-like experience, including offline functionality, push notifications, and fast loading times. Benefits include improved user engagement and performance.
Pergunta 42. What is the role of a reverse engineering tool in Full-Stack development?
Reverse engineering tools help developers understand and analyze existing code or systems, facilitating code maintenance, optimization, and debugging.
Pergunta 43. Explain the concept of cross-site request forgery (CSRF) and how to prevent it.
CSRF is an attack where an attacker tricks a user's browser into making an unintended request. Prevention methods include using anti-CSRF tokens and checking the referer header.
Pergunta 44. What is the purpose of the 'useEffect' hook in React.js?
The 'useEffect' hook in React.js is used for side effects in functional components, such as data fetching, subscriptions, or manually changing the DOM.
Pergunta 45. Explain the concept of two-factor authentication (2FA) and its importance in security.
2FA adds an extra layer of security by requiring users to provide two different authentication factors (e.g., password and a temporary code sent to their phone) before accessing an account.
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- What is the difference between front-end and back-end development?
- What is the purpose of AJAX in web development?