1. What is Firebase Auth ? Junior A. extra key-value attributes set on a user via the Admin SDK to encode roles, then read inside security rules for authorization B. the managed service that signs users in with email/password, phone, or federated providers and returns a verified identity C. a short-lived signed JWT minted on sign-in that the client sends to prove who it is, verifiable on the backend D. a method that issues a temporary account with a real UID so a guest can use the app before upgrading to a permanent login Reveal the answer + AI explanation — free account
2. Which term means: "the managed service that signs users in with email/password, phone, or federated providers and returns a verified identity"? Junior A. Firebase Auth B. Identity provider C. ID token D. Custom claims Reveal the answer + AI explanation — free account
3. Which statement is correct? Junior A. Firebase Auth — extra key-value attributes set on a user via the Admin SDK to encode roles, then read inside security rules for authorization B. Firebase Auth — the managed service that signs users in with email/password, phone, or federated providers and returns a verified identity C. Firebase Auth — a short-lived signed JWT minted on sign-in that the client sends to prove who it is, verifiable on the backend D. Firebase Auth — the SDK process of silently exchanging a long-lived credential for a new ID token roughly every hour as the old one expires Reveal the answer + AI explanation — free account
4. What is Identity provider ? Junior A. the SDK process of silently exchanging a long-lived credential for a new ID token roughly every hour as the old one expires B. a method that issues a temporary account with a real UID so a guest can use the app before upgrading to a permanent login C. an external source such as Google, Apple, or Facebook that vouches for a user during a federated sign-in flow D. extra key-value attributes set on a user via the Admin SDK to encode roles, then read inside security rules for authorization Reveal the answer + AI explanation — free account
5. Which term means: "an external source such as Google, Apple, or Facebook that vouches for a user during a federated sign-in flow"? Junior A. Anonymous sign-in B. Firebase Auth C. Identity provider D. Token refresh Reveal the answer + AI explanation — free account
6. Which statement is correct? Junior A. Identity provider — a short-lived signed JWT minted on sign-in that the client sends to prove who it is, verifiable on the backend B. Identity provider — a method that issues a temporary account with a real UID so a guest can use the app before upgrading to a permanent login C. Identity provider — extra key-value attributes set on a user via the Admin SDK to encode roles, then read inside security rules for authorization D. Identity provider — an external source such as Google, Apple, or Facebook that vouches for a user during a federated sign-in flow Reveal the answer + AI explanation — free account
7. What is Anonymous sign-in ? Mid A. an external source such as Google, Apple, or Facebook that vouches for a user during a federated sign-in flow B. extra key-value attributes set on a user via the Admin SDK to encode roles, then read inside security rules for authorization C. the SDK process of silently exchanging a long-lived credential for a new ID token roughly every hour as the old one expires D. a method that issues a temporary account with a real UID so a guest can use the app before upgrading to a permanent login Reveal the answer + AI explanation — free account
8. Which term means: "a method that issues a temporary account with a real UID so a guest can use the app before upgrading to a permanent login"? Mid A. Anonymous sign-in B. Identity provider C. Custom claims D. Token refresh Reveal the answer + AI explanation — free account
9. Which statement is correct? Mid A. Anonymous sign-in — a short-lived signed JWT minted on sign-in that the client sends to prove who it is, verifiable on the backend B. Anonymous sign-in — an external source such as Google, Apple, or Facebook that vouches for a user during a federated sign-in flow C. Anonymous sign-in — a method that issues a temporary account with a real UID so a guest can use the app before upgrading to a permanent login D. Anonymous sign-in — the managed service that signs users in with email/password, phone, or federated providers and returns a verified identity Reveal the answer + AI explanation — free account
10. What is ID token ? Mid A. a method that issues a temporary account with a real UID so a guest can use the app before upgrading to a permanent login B. a short-lived signed JWT minted on sign-in that the client sends to prove who it is, verifiable on the backend C. extra key-value attributes set on a user via the Admin SDK to encode roles, then read inside security rules for authorization D. the managed service that signs users in with email/password, phone, or federated providers and returns a verified identity Reveal the answer + AI explanation — free account
11. Which term means: "a short-lived signed JWT minted on sign-in that the client sends to prove who it is, verifiable on the backend"? Mid A. Anonymous sign-in B. Token refresh C. ID token D. Custom claims Reveal the answer + AI explanation — free account
12. Which statement is correct? Mid A. ID token — the managed service that signs users in with email/password, phone, or federated providers and returns a verified identity B. ID token — a short-lived signed JWT minted on sign-in that the client sends to prove who it is, verifiable on the backend C. ID token — the SDK process of silently exchanging a long-lived credential for a new ID token roughly every hour as the old one expires D. ID token — an external source such as Google, Apple, or Facebook that vouches for a user during a federated sign-in flow Reveal the answer + AI explanation — free account
13. What is Custom claims ? Senior A. a method that issues a temporary account with a real UID so a guest can use the app before upgrading to a permanent login B. a short-lived signed JWT minted on sign-in that the client sends to prove who it is, verifiable on the backend C. extra key-value attributes set on a user via the Admin SDK to encode roles, then read inside security rules for authorization D. an external source such as Google, Apple, or Facebook that vouches for a user during a federated sign-in flow Reveal the answer + AI explanation — free account
14. Which term means: "extra key-value attributes set on a user via the Admin SDK to encode roles, then read inside security rules for authorization"? Senior A. ID token B. Firebase Auth C. Token refresh D. Custom claims Reveal the answer + AI explanation — free account
15. Which statement is correct? Senior A. Custom claims — a short-lived signed JWT minted on sign-in that the client sends to prove who it is, verifiable on the backend B. Custom claims — the SDK process of silently exchanging a long-lived credential for a new ID token roughly every hour as the old one expires C. Custom claims — extra key-value attributes set on a user via the Admin SDK to encode roles, then read inside security rules for authorization D. Custom claims — a method that issues a temporary account with a real UID so a guest can use the app before upgrading to a permanent login Reveal the answer + AI explanation — free account
16. What is Token refresh ? Senior A. the managed service that signs users in with email/password, phone, or federated providers and returns a verified identity B. a method that issues a temporary account with a real UID so a guest can use the app before upgrading to a permanent login C. the SDK process of silently exchanging a long-lived credential for a new ID token roughly every hour as the old one expires D. an external source such as Google, Apple, or Facebook that vouches for a user during a federated sign-in flow Reveal the answer + AI explanation — free account
17. Which term means: "the SDK process of silently exchanging a long-lived credential for a new ID token roughly every hour as the old one expires"? Senior A. Token refresh B. Anonymous sign-in C. ID token D. Firebase Auth Reveal the answer + AI explanation — free account
18. Which statement is correct? Senior A. Token refresh — the managed service that signs users in with email/password, phone, or federated providers and returns a verified identity B. Token refresh — extra key-value attributes set on a user via the Admin SDK to encode roles, then read inside security rules for authorization C. Token refresh — the SDK process of silently exchanging a long-lived credential for a new ID token roughly every hour as the old one expires D. Token refresh — an external source such as Google, Apple, or Facebook that vouches for a user during a federated sign-in flow Reveal the answer + AI explanation — free account