Which of the following statements is true if the UID of a regular user is identical to the GID of a group?

Question

Options

• AUID have precedence over GIDs, therefore the user is available while the group doesn't.
• BThe user as well as the group are not available to avoid ambiguity due to the ID conflict.
• CUIDs and GIDs are independent of each other, therefore the user as well as the group are still
• DThe user is the only member of the group, even if the group configuration contains other
• EGIDs have precedence over UIDs, therefore the group is available while the user isn't.

• A
  13% (3)
• B
  4% (1)
• C
  74% (17)
• D
  9% (2)

Explanation

UIDs (User IDs) and GIDs (Group IDs) exist in completely separate namespaces on Linux/Unix systems - the kernel tracks them independently, so having UID 1001 for a user and GID 1001 for a group causes zero conflict; both entities coexist and function normally. Options A and E are false because neither UIDs nor GIDs have "precedence" over each other - there is no such conflict resolution mechanism. Option B is wrong because the system never disables or hides either entity due to matching numbers. Option D is a fabrication - a matching UID/GID says nothing about group membership, which is determined solely by /etc/group. Memory tip: Think of UIDs and GIDs as two separate ID card systems in different buildings - the fact that room 101 exists in both buildings doesn't cause any problem, because the buildings are entirely independent.

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