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Remember RID

Full name: Relative Identifier

Memory aid: Relative ID is the unique tail within its authority.

A RID alone is not a globally complete Windows account identifier.

Study area: Identity & access · Batch 8

Relevant study for: CompTIA Security+ SY0-701 · ISC2 CISSP 2024 outline · ISC2 SSCP · Security, Compliance, and Identity Fundamentals SC-900 · Identity and Access Administrator SC-300 · ISC2 CC · Cybersecurity Architect SC-100

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Cybersecurity & Identity / Knowledge library

RID — Relative Identifier

Forms the domain-relative or authority-relative portion of supported SIDs.

Acronym study batch 8 · reviewed 2026-10-20

Why learn RID — Relative Identifier?

Forms the domain-relative or authority-relative portion of supported SIDs.

Where it came from

A RID alone is not a globally complete Windows account identifier.

Build your understanding

Work through these exercises in order. Try the task before opening a reference.

  1. Without looking, expand RID: Relative Identifier.
  2. Recall this memory aid: Relative ID is the unique tail within its authority.
  3. Explain the practical use: Forms the domain-relative or authority-relative portion of supported SIDs.
  4. Explain this distinction: A RID alone is not a globally complete Windows account identifier.
  5. Identify RID in a device specification, architecture diagram, or system inventory.

Documentation and sources

Catalog source: technology-maxxing. This page reproduces the existing catalog’s learning material and source links.