Staff ask whether every Azure region has availability zones and what zones are for. Which fundamentals statement is the best answer?
Select an answer to reveal the explanation.
Short Explanation
Zones are about surviving a datacenter hiccup — separate fault domains inside a region. Plenty of regions offer them, but AZ-900 is not a trivia bee about counting every zone worldwide. Know the purpose, not a memorized postcard list.
Full Explanation
Availability zones deliver high availability by placing workloads in separate datacenter-level fault domains within a region. Many Azure regions support zones, but fundamentals emphasize what zones provide rather than requiring memorization of every region's zone inventory. Zones complement regions; they do not replace regional selection or serve as renaming tools.