ExpertMedium1 markMultiple Choice
AZ-305 · Question 29 · Domain 2.3: Storage Recommendation
You need to provision an Azure Storage account. The data must be highly available within the primary region across multiple datacenters, AND it must be asynchronously replicated to a secondary region for disaster recovery. Which redundancy option should you choose?
You need to provision an Azure Storage account. The data must be highly available within the primary region across multiple datacenters, AND it must be asynchronously replicated to a secondary region for disaster recovery. Which redundancy option should you choose?
Answer options:
A.
Geo-zone-redundant storage (GZRS)
B.
Geo-redundant storage (GRS)
C.
Zone-redundant storage (ZRS)
D.
Locally redundant storage (LRS)
How to approach this question
Combine zone redundancy with geo redundancy.
Full Answer
A.Geo-zone-redundant storage (GZRS)✓ Correct
Geo-zone-redundant storage (GZRS)
GZRS writes synchronously across 3 zones in the primary region, and asynchronously to a single zone in the secondary region. Pillar: Reliability.
Common mistakes
Choosing GRS, which only uses LRS in the primary region.
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