Auth interview questions

15 real Auth questions from the ASP.NET Core bank, as asked in Indian campus drives and tech interviews. Every question has a verified answer and an AI-tutor explanation on placd — free to start.

1. What is Authentication?

Junior
  1. A.a named, reusable set of requirements that an endpoint references to express more complex access rules
  2. B.the process of establishing who a caller is by verifying presented credentials
  3. C.the process of deciding whether an already-identified caller is permitted to perform a requested operation
  4. D.a token-based scheme where a signed self-contained credential is sent in the Authorization header to prove identity
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3. Which statement is correct?

Junior
  1. A.Authentication — the process of establishing who a caller is by verifying presented credentials
  2. B.Authentication — a named, reusable set of requirements that an endpoint references to express more complex access rules
  3. C.Authentication — a token-based scheme where a signed self-contained credential is sent in the Authorization header to prove identity
  4. D.Authentication — the process of deciding whether an already-identified caller is permitted to perform a requested operation
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4. What is Authorization?

Junior
  1. A.the process of establishing who a caller is by verifying presented credentials
  2. B.an attribute that restricts an endpoint so only authenticated, and optionally role- or policy-matching, callers may reach it
  3. C.a named, reusable set of requirements that an endpoint references to express more complex access rules
  4. D.the process of deciding whether an already-identified caller is permitted to perform a requested operation
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6. Which statement is correct?

Junior
  1. A.Authorization — the process of establishing who a caller is by verifying presented credentials
  2. B.Authorization — the process of deciding whether an already-identified caller is permitted to perform a requested operation
  3. C.Authorization — a named, reusable set of requirements that an endpoint references to express more complex access rules
  4. D.Authorization — a token-based scheme where a signed self-contained credential is sent in the Authorization header to prove identity
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7. What is [Authorize]?

Mid
  1. A.an attribute that restricts an endpoint so only authenticated, and optionally role- or policy-matching, callers may reach it
  2. B.a named, reusable set of requirements that an endpoint references to express more complex access rules
  3. C.the process of establishing who a caller is by verifying presented credentials
  4. D.a token-based scheme where a signed self-contained credential is sent in the Authorization header to prove identity
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8. Which term means: "an attribute that restricts an endpoint so only authenticated, and optionally role- or policy-matching, callers may reach it"?

Mid
  1. A.Authorization
  2. B.[Authorize]
  3. C.Authorization policy
  4. D.Authentication
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9. Which statement is correct?

Mid
  1. A.[Authorize] — the process of establishing who a caller is by verifying presented credentials
  2. B.[Authorize] — a token-based scheme where a signed self-contained credential is sent in the Authorization header to prove identity
  3. C.[Authorize] — an attribute that restricts an endpoint so only authenticated, and optionally role- or policy-matching, callers may reach it
  4. D.[Authorize] — a named, reusable set of requirements that an endpoint references to express more complex access rules
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10. What is JWT bearer?

Mid
  1. A.a named, reusable set of requirements that an endpoint references to express more complex access rules
  2. B.an attribute that restricts an endpoint so only authenticated, and optionally role- or policy-matching, callers may reach it
  3. C.the process of deciding whether an already-identified caller is permitted to perform a requested operation
  4. D.a token-based scheme where a signed self-contained credential is sent in the Authorization header to prove identity
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12. Which statement is correct?

Mid
  1. A.JWT bearer — the process of deciding whether an already-identified caller is permitted to perform a requested operation
  2. B.JWT bearer — an attribute that restricts an endpoint so only authenticated, and optionally role- or policy-matching, callers may reach it
  3. C.JWT bearer — a token-based scheme where a signed self-contained credential is sent in the Authorization header to prove identity
  4. D.JWT bearer — a named, reusable set of requirements that an endpoint references to express more complex access rules
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13. What is Authorization policy?

Senior
  1. A.a token-based scheme where a signed self-contained credential is sent in the Authorization header to prove identity
  2. B.a named, reusable set of requirements that an endpoint references to express more complex access rules
  3. C.the process of deciding whether an already-identified caller is permitted to perform a requested operation
  4. D.the process of establishing who a caller is by verifying presented credentials
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15. Which statement is correct?

Senior
  1. A.Authorization policy — the process of deciding whether an already-identified caller is permitted to perform a requested operation
  2. B.Authorization policy — a named, reusable set of requirements that an endpoint references to express more complex access rules
  3. C.Authorization policy — a token-based scheme where a signed self-contained credential is sent in the Authorization header to prove identity
  4. D.Authorization policy — the process of establishing who a caller is by verifying presented credentials
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