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LFCS · Question #618

When a Windows domain controller is used, which of the following is assigned a Windows Security Identifier?

The correct answer is E. All of the above. In a Windows domain, Security Identifiers (SIDs) are assigned to all securable objects, including users, groups, and servers, to uniquely identify them for access control and authentication.

Submitted by neha2k· Apr 18, 2026User and Group Management

Question

When a Windows domain controller is used, which of the following is assigned a Windows Security Identifier?

Options

  • AUsers
  • BServers
  • CGroups
  • DOnly A and C above
  • EAll of the above

How the community answered

(29 responses)
  • A
    3% (1)
  • B
    7% (2)
  • C
    3% (1)
  • E
    86% (25)

Why each option

In a Windows domain, Security Identifiers (SIDs) are assigned to all securable objects, including users, groups, and servers, to uniquely identify them for access control and authentication.

AUsers

This option is incomplete as groups and servers also receive SIDs.

BServers

This option is incomplete as users and groups also receive SIDs.

CGroups

This option is incomplete as users and servers also receive SIDs.

DOnly A and C above

This option excludes servers (computer accounts), which are also assigned SIDs in a Windows domain.

EAll of the aboveCorrect

In a Windows domain environment, a Security Identifier (SID) is a unique value assigned to every security principal and securable resource, which includes individual user accounts, security groups (both local and domain), and computer accounts representing servers and workstations joined to the domain.

Concept tested: Windows Security Identifiers (SIDs) scope

Source: https://learn.microsoft.com/en-us/windows/win32/secauthz/security-identifiers

Topics

#Security Identifier#Windows Domain#User Management#Group Management

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