Windows 10 offers four (4) different update branches that describe every update parameter; from the applicable edition of Win. 10 to the length of support for the update, (5-yrs, 10-yrs, etc). Which of the following is NOT one of these branches?
- Current Branch for Business
- Long Term Servicing Branch
- Windows Insider Preview Branch
- Open grade
EXPLANATION
Upgraded builds of Windows 10, known as feature updates,[199] are occasionally released, containing new features and other changes; in April 2017, Microsoft stated that in the future, these updates would be released semi-annually every March and September.[200]
The pace at which feature updates are received by devices is dependent on which release channel is used; the default branch for all users of Windows 10 Home and Pro is "Current Branch", (CB) which receives stable builds after they are publicly released by Microsoft. A 60-day grace period is provided for each CB build to be rolled out to users before Microsoft ends support and updates for the previous version.[199] Windows Insider branches receive unstable builds as they are released, at either a "Fast" pace (immediately after release) or "Slow" pace (slightly delayed from their "Fast" release). The Pro and Enterprise editions may optionally use the "Current Branch for Business" release channel (CBB), which receives the stable builds on a roughly four-month delay from their CB release to allow for additional testing.[199][191][201] CBB may defer build upgrades for up to eight months, after which the new build must be installed in order to maintain support and access to security updates.[197] Administrators can also use the "Windows Update for Business" system to organize structured deployments of updates and build upgrades across their networks.[191]
Enterprise licensees may use the Windows 10 Enterprise Long-term Servicing Branch (LTSB) edition.[199][201] LTSB milestones of Windows 10 are designed for long-term deployments in specialized environments, and only receive quality of life updates (i.e. security patches). Each LTSB milestone is given a full, 10-year support lifecycle. Due to Microsoft's intended use cases for LTSB builds, certain features, including most Cortana functionality, Windows Store, and bundled apps, are excluded from LTSB.[199][175][202][203]Microsoft director Stella Chernyak explained that "we have businesses [that] may have mission-critical environments where we respect the fact they want to test and stabilize the environment for a long time."[204]
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