Operating System terms starting with D

32 terms

  1. data collector An object that defines what data will be collected from a provider (such as a counter provider or event provider).
  2. data collector set A group of data collectors stored as a single object.
  3. Database layer An architectural layer of Active Directory that isolates the upper layers of the directory service from the underlying database system by exposing…
  4. decrypt To convert encrypted content back into its original form.
  5. deferred enforcement A stage of deployment that allows a noncompliant computer full access to the network until a date and time after which network access becomes restricted.
  6. delegation An assignment of administrative responsibility to a user, computer, group, or organization. [Exchange 2003]
  7. desktop session A period of time when one user is logged on to a computer. When a user logs on to a computer, the session is created.
  8. destination computer The computer that will be distributed to customers on which you install Windows.
  9. device driver Software that enables hardware or devices (such as a printer, mouse, or keyboard) to work with your computer.
  10. diffusion The spontaneous movement of molecules from a region of higher concentration to a region of lower concentration.
  11. Digest Access Protocol (DAP) A lightweight authentication protocol for parties involved in communications that are based on Hypertext Transfer Protocol (HTTP) or Simple Authentication…
  12. digital signature The electronic equivalent of a handwritten signature, a digital signature is a unique block of text that verifies a user's identity and is appended to a…
  13. Directory A simulated file folder or container used to organize files and directories in a hierarchical or tree-like structure.
  14. Directory partition A contiguous sub-tree of the directory that forms a unit of replication. A given replica is always a replica of some directory partition.
  15. Directory Service Both the directory information source and the service that makes the information available and usable.
  16. Directory Services Markup Language (DSML) An open, extensible, standards-based format for publishing directory service schemas and exchanging directory contents.
  17. Directory Services Restore Mode A special safe mode boot option for Windows Server domain controllers that allows you to repair or restore the Active Directory™ service database.
  18. Directory-enabled application An application that reads, writes, or modifies data that is stored in a directory service.
  19. disjoint namespace A domain namespace in which at least some of the computers do not use the Active Directory domain name as their primary Domain Name System (DNS) suffix.
  20. Distinguished Name Tag (DNT) An integer column that is maintained by the Extensible Storage Engine (ESE). Domain controllers use DNTs when they create objects, either locally or…
  21. DNS domain naming service
  22. Domain A sub-network of servers and computers within a LAN. Domain information is useful when restoring backup tapes, particularly of email.
  23. domain controller In an Active Directory forest, a server that contains a writable copy of the Active Directory database, participates in Active Directory replication, and…
  24. Domain Controllers Active Directory core service providers, DCs in the same domain share the same information.
  25. Domain Name System (DNS) Hierarchical distributed database used for name/address translation and client-server rendezvous.
  26. Domain Naming Master The master service that controls and authorizes domain naming within the forest.
  27. Domain Naming System Domain naming system defines the boundaries of the forest.
  28. Domain Specific Contents Every object that is defined solely within the scope of a particular domain.
  29. Domain Tree In DNS, the inverted hierarchical tree structure that is used to index domain names.
  30. drive sanitation The forced recovery of a BitLocker-protected volume through the removal of all the key binary large objects (BLOBs) that could have decrypted the disk.
  31. driver A driver is a computer program that controls various devices such as the keyboard, mouse, monitor, etc.
  32. DSML See definition for: Directory Services Markup Language (DSML)