B2B Collaboration
The Microsoft Entra External ID model that lets organizations invite or provision external users to access tenant resources.
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IT Dictionary
Clear, technical definitions to understand IT terminology.
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B2B Direct Connect
A Microsoft Entra External ID mode based on mutual trust between organizations, used by specific cross-tenant collaboration scenarios.
View →Backup
An independent copy of the data that allows it to be restored after a loss, error or attack.
View →Backup Catalog
A central index describing available backups, their contents, restore points, and locations.
View →Backup Chain
The ordered set of full and incremental/differential backups required to reconstruct a restore point.
View →Backup Copy
Backup Copy is a concept or mechanism used to backup to copy restoration points to a second independent location.
View →Backup Gateway
A backup or recovery mechanism used to protect data and meet recovery objectives.
View →Backup Health Check
A periodic check that rereads or recalculates backup data to detect corruption or inconsistencies before restore time.
View →Backup Immutability
A backup or recovery mechanism used to protect data and meet recovery objectives.
View →Backup Job
A configured backup-software task that defines what to protect, when, where, and under which policy.
View →Backup Metadata
The descriptive information of a backup: inventory, index, dates, objects, dependencies, checksums, or restore settings.
View →Backup Repository
A location where backup files are stored.
View →Backup Retention
The duration or number of backup points retained.
View →Backup Set
A coherent collection of backup data and restore points grouped for the same policy, source, or period.
View →Backup Validation
The process that confirms a backup meets defined consistency, integrity, and restorability criteria.
View →Backup Verification
An operation that checks the technical integrity of a backup file or restore point after creation.
View →Backup Window
The planned time window during which backups can run with acceptable production impact.
View →Bare-Metal Restore
A restoration that reconstructs a complete system on an empty or replaced machine.
View →Bash
A very common command interpreter on Linux.
View →Bastion Host
A hardened server used as a controlled administrative access point to internal resources.
View →BFD
BFD is a concept or mechanism used in network & routing to detect very quickly the loss of a neighbouring network.
View →BGP
The routing protocol used to exchange routes between large networks and operators.
View →BGP AS Path
A BGP protocol mechanism or attribute used to control interdomain route exchange and selection.
View →BGP Community
A tag attached to BGP routes to carry routing policy intent.
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