Core Concepts interview questions

18 real Core Concepts questions from the Git 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 Repository?

Junior
  1. A.the data store holding a project's complete history of versions plus its configuration and metadata
  2. B.an intermediate space, also called the index, where changes are marked for inclusion in the next snapshot
  3. C.an immutable, hashed object recording a full snapshot of tracked files plus author, message, and parent links
  4. D.a symbolic pointer referring to the current checkout, normally naming the tip of the active branch
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3. Which statement is correct?

Junior
  1. A.Repository — the set of actual files on disk that you currently edit, checked out from a particular version
  2. B.Repository — a path that was already part of a prior snapshot or has been added to the index
  3. C.Repository — the data store holding a project's complete history of versions plus its configuration and metadata
  4. D.Repository — an immutable, hashed object recording a full snapshot of tracked files plus author, message, and parent links
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4. What is Working directory?

Junior
  1. A.a symbolic pointer referring to the current checkout, normally naming the tip of the active branch
  2. B.the set of actual files on disk that you currently edit, checked out from a particular version
  3. C.the data store holding a project's complete history of versions plus its configuration and metadata
  4. D.an immutable, hashed object recording a full snapshot of tracked files plus author, message, and parent links
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6. Which statement is correct?

Junior
  1. A.Working directory — a path that was already part of a prior snapshot or has been added to the index
  2. B.Working directory — the data store holding a project's complete history of versions plus its configuration and metadata
  3. C.Working directory — a symbolic pointer referring to the current checkout, normally naming the tip of the active branch
  4. D.Working directory — the set of actual files on disk that you currently edit, checked out from a particular version
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7. What is Staging area?

Junior
  1. A.an intermediate space, also called the index, where changes are marked for inclusion in the next snapshot
  2. B.a path that was already part of a prior snapshot or has been added to the index
  3. C.the data store holding a project's complete history of versions plus its configuration and metadata
  4. D.a symbolic pointer referring to the current checkout, normally naming the tip of the active branch
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9. Which statement is correct?

Junior
  1. A.Staging area — the data store holding a project's complete history of versions plus its configuration and metadata
  2. B.Staging area — a symbolic pointer referring to the current checkout, normally naming the tip of the active branch
  3. C.Staging area — an immutable, hashed object recording a full snapshot of tracked files plus author, message, and parent links
  4. D.Staging area — an intermediate space, also called the index, where changes are marked for inclusion in the next snapshot
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10. What is Commit?

Mid
  1. A.the data store holding a project's complete history of versions plus its configuration and metadata
  2. B.a symbolic pointer referring to the current checkout, normally naming the tip of the active branch
  3. C.the set of actual files on disk that you currently edit, checked out from a particular version
  4. D.an immutable, hashed object recording a full snapshot of tracked files plus author, message, and parent links
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12. Which statement is correct?

Mid
  1. A.Commit — an immutable, hashed object recording a full snapshot of tracked files plus author, message, and parent links
  2. B.Commit — the set of actual files on disk that you currently edit, checked out from a particular version
  3. C.Commit — a path that was already part of a prior snapshot or has been added to the index
  4. D.Commit — an intermediate space, also called the index, where changes are marked for inclusion in the next snapshot
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13. What is HEAD?

Junior
  1. A.the set of actual files on disk that you currently edit, checked out from a particular version
  2. B.the data store holding a project's complete history of versions plus its configuration and metadata
  3. C.a symbolic pointer referring to the current checkout, normally naming the tip of the active branch
  4. D.an immutable, hashed object recording a full snapshot of tracked files plus author, message, and parent links
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15. Which statement is correct?

Junior
  1. A.HEAD — a symbolic pointer referring to the current checkout, normally naming the tip of the active branch
  2. B.HEAD — an intermediate space, also called the index, where changes are marked for inclusion in the next snapshot
  3. C.HEAD — the data store holding a project's complete history of versions plus its configuration and metadata
  4. D.HEAD — the set of actual files on disk that you currently edit, checked out from a particular version
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16. What is Tracked file?

Mid
  1. A.an intermediate space, also called the index, where changes are marked for inclusion in the next snapshot
  2. B.a path that was already part of a prior snapshot or has been added to the index
  3. C.the data store holding a project's complete history of versions plus its configuration and metadata
  4. D.a symbolic pointer referring to the current checkout, normally naming the tip of the active branch
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18. Which statement is correct?

Mid
  1. A.Tracked file — an immutable, hashed object recording a full snapshot of tracked files plus author, message, and parent links
  2. B.Tracked file — a path that was already part of a prior snapshot or has been added to the index
  3. C.Tracked file — the set of actual files on disk that you currently edit, checked out from a particular version
  4. D.Tracked file — a symbolic pointer referring to the current checkout, normally naming the tip of the active branch
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