3-2-1 Backup Rule
A backup rule recommending three copies of data, on two types of media, including one off-site.
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3-2-1-1-0 Backup Rule
An extension of the 3-2-1 rule recommending three copies, two media types, one offsite copy, one offline/immutable copy, and zero verified errors.
View →3CX
A software IP telephony system used as PBX.
View →802.1Q
Ethernet frame marking standard used to transport multiple VLAN.
View →802.1X
802.1X controls access to the network before allowing a station or user.
View →Accepted Domain
An area that the organization Exchange Online recognizes for email transport.
View →Access Control List Linux
A Linux mechanism from the kernel, systemd, filesystem, or identity-management stack.
View →Access Package Entra
A bundle of resources, approval rules, and access duration managed by Microsoft Entra entitlement management.
View →Access Review Entra
A campaign to have access to users or guests checked periodically.
View →Account Protection Policy Intune
A Microsoft Intune management object used to configure, secure, or target devices and applications.
View →ACL
A list that indicates which users or groups are allowed or refused on a resource.
View →ACME
Certificate Issuance and Renewal Automation Protocol.
View →Active Directory (AD)
The Microsoft directory service that centralizes users, computers, groups and rights of, access to, an organization….
View →Active Directory Certificate Services (AD CS)
The Windows Server role that provides a public key infrastructure and certificate authority integrated with Active Directory.
View →Active Directory Domain Services (AD DS)
Microsoft's directory service that stores identities, computers, groups, and policies for a Windows domain.
View →Active Directory Federation Services (AD FS)
A Microsoft identity federation service that issues security tokens to provide SSO across application trust boundaries.
View →Active Directory Lightweight Directory Services (AD LDS)
A Microsoft LDAP directory service independent from an AD DS domain and intended for applications.
View →Active Directory Rights Management Services (AD RMS)
A legacy Windows Server role for persistent protection of documents and messages through usage policies and encryption.
View →Active Directory Web Services (ADWS)
The Windows Server service that exposes Active Directory operations to management tools through web services.
View →Active Full Backup
A complete backup that re-reads all data from the source.
View →AD Recycle Bin
A function that allows you to restore deleted Active Directory objects more easily.
View →AD Site
AD Site is a concept or mechanism used in active directory to represent a logical network localization in Active Directory.
View →AD Sites and Services
A console and logic model describing AD network sites, subnetworks and replication links.
View →AD Subnet
AD Subnet is a concept or mechanism used in active directory to associate an IP subnet with an Active Directory site.
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