Secrets & Config interview questions

54 real Secrets & Config questions from the DevOps & SRE 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 Secret?

Junior
  1. A.a short-lived credential generated on demand and automatically revoked after use
  2. B.periodically replacing a secret with a new value to limit exposure window
  3. C.encrypting data with a data key that is itself encrypted by a key-management master key
  4. D.a sensitive value like a password or token that must be protected from exposure
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3. Which statement is correct?

Junior
  1. A.Secret — a sensitive value like a password or token that must be protected from exposure
  2. B.Secret — protecting data moving over the network, typically with TLS
  3. C.Secret — a short-lived credential generated on demand and automatically revoked after use
  4. D.Secret — the bootstrapping challenge of securely delivering the first credential used to fetch others
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4. What is Environment variable?

Junior
  1. A.binding a cloud identity to a workload so it authenticates without static credentials
  2. B.a short-lived credential generated on demand and automatically revoked after use
  3. C.periodically replacing a secret with a new value to limit exposure window
  4. D.a key-value pair injected into a process to configure runtime behavior
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6. Which statement is correct?

Junior
  1. A.Environment variable — a key-value pair injected into a process to configure runtime behavior
  2. B.Environment variable — granting an identity only the minimum permissions needed to do its job
  3. C.Environment variable — protecting data moving over the network, typically with TLS
  4. D.Environment variable — the bootstrapping challenge of securely delivering the first credential used to fetch others
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7. What is Secret manager?

Junior
  1. A.granting an identity only the minimum permissions needed to do its job
  2. B.a dedicated service that stores, controls access to, and audits secrets
  3. C.an encrypted secret safe to store in Git, decryptable only by an in-cluster controller
  4. D.periodically replacing a secret with a new value to limit exposure window
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9. Which statement is correct?

Junior
  1. A.Secret manager — a dedicated service that stores, controls access to, and audits secrets
  2. B.Secret manager — a short-lived credential generated on demand and automatically revoked after use
  3. C.Secret manager — granting an identity only the minimum permissions needed to do its job
  4. D.Secret manager — a sensitive value like a password or token that must be protected from exposure
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10. What is Encryption at rest?

Junior
  1. A.a sensitive value like a password or token that must be protected from exposure
  2. B.a short-lived credential generated on demand and automatically revoked after use
  3. C.periodically replacing a secret with a new value to limit exposure window
  4. D.protecting stored data by encrypting it on disk
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12. Which statement is correct?

Junior
  1. A.Encryption at rest — a key-value pair injected into a process to configure runtime behavior
  2. B.Encryption at rest — a short-lived credential generated on demand and automatically revoked after use
  3. C.Encryption at rest — granting an identity only the minimum permissions needed to do its job
  4. D.Encryption at rest — protecting stored data by encrypting it on disk
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13. What is Encryption in transit?

Junior
  1. A.protecting data moving over the network, typically with TLS
  2. B.the bootstrapping challenge of securely delivering the first credential used to fetch others
  3. C.a key-value pair injected into a process to configure runtime behavior
  4. D.a short-lived credential generated on demand and automatically revoked after use
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15. Which statement is correct?

Junior
  1. A.Encryption in transit — a sensitive value like a password or token that must be protected from exposure
  2. B.Encryption in transit — protecting data moving over the network, typically with TLS
  3. C.Encryption in transit — the bootstrapping challenge of securely delivering the first credential used to fetch others
  4. D.Encryption in transit — encrypting data with a data key that is itself encrypted by a key-management master key
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16. What is Secret rotation?

Mid
  1. A.granting an identity only the minimum permissions needed to do its job
  2. B.periodically replacing a secret with a new value to limit exposure window
  3. C.protecting stored data by encrypting it on disk
  4. D.protecting data moving over the network, typically with TLS
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18. Which statement is correct?

Mid
  1. A.Secret rotation — granting an identity only the minimum permissions needed to do its job
  2. B.Secret rotation — a sensitive value like a password or token that must be protected from exposure
  3. C.Secret rotation — periodically replacing a secret with a new value to limit exposure window
  4. D.Secret rotation — protecting data moving over the network, typically with TLS
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19. What is Least privilege?

Mid
  1. A.a key-value pair injected into a process to configure runtime behavior
  2. B.binding a cloud identity to a workload so it authenticates without static credentials
  3. C.a dedicated service that stores, controls access to, and audits secrets
  4. D.granting an identity only the minimum permissions needed to do its job
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21. Which statement is correct?

Mid
  1. A.Least privilege — the bootstrapping challenge of securely delivering the first credential used to fetch others
  2. B.Least privilege — granting an identity only the minimum permissions needed to do its job
  3. C.Least privilege — protecting data moving over the network, typically with TLS
  4. D.Least privilege — a short-lived credential generated on demand and automatically revoked after use
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22. What is Dynamic secret?

Mid
  1. A.an encrypted secret safe to store in Git, decryptable only by an in-cluster controller
  2. B.binding a cloud identity to a workload so it authenticates without static credentials
  3. C.a short-lived credential generated on demand and automatically revoked after use
  4. D.a dedicated service that stores, controls access to, and audits secrets
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24. Which statement is correct?

Mid
  1. A.Dynamic secret — protecting stored data by encrypting it on disk
  2. B.Dynamic secret — protecting data moving over the network, typically with TLS
  3. C.Dynamic secret — a short-lived credential generated on demand and automatically revoked after use
  4. D.Dynamic secret — granting an identity only the minimum permissions needed to do its job
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25. What is Sealed secret?

Mid
  1. A.periodically replacing a secret with a new value to limit exposure window
  2. B.an encrypted secret safe to store in Git, decryptable only by an in-cluster controller
  3. C.the bootstrapping challenge of securely delivering the first credential used to fetch others
  4. D.a sensitive value like a password or token that must be protected from exposure
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27. Which statement is correct?

Mid
  1. A.Sealed secret — encrypting data with a data key that is itself encrypted by a key-management master key
  2. B.Sealed secret — a key-value pair injected into a process to configure runtime behavior
  3. C.Sealed secret — an encrypted secret safe to store in Git, decryptable only by an in-cluster controller
  4. D.Sealed secret — a short-lived credential generated on demand and automatically revoked after use
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28. What is Envelope encryption?

Senior
  1. A.encrypting data with a data key that is itself encrypted by a key-management master key
  2. B.binding a cloud identity to a workload so it authenticates without static credentials
  3. C.protecting data moving over the network, typically with TLS
  4. D.a key-value pair injected into a process to configure runtime behavior
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30. Which statement is correct?

Senior
  1. A.Envelope encryption — a key-value pair injected into a process to configure runtime behavior
  2. B.Envelope encryption — a short-lived credential generated on demand and automatically revoked after use
  3. C.Envelope encryption — granting an identity only the minimum permissions needed to do its job
  4. D.Envelope encryption — encrypting data with a data key that is itself encrypted by a key-management master key
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