ExpertEasy1 markMultiple Choice
AZ-305 · Question 39 · Domain 3.2: High Availability
You need to ensure an Azure Storage account remains available if a single datacenter in an Azure region fails. You do not need cross-region replication. Which redundancy option should you choose?
You need to ensure an Azure Storage account remains available if a single datacenter in an Azure region fails. You do not need cross-region replication. Which redundancy option should you choose?
Answer options:
A.
Zone-redundant storage (ZRS)
B.
Locally redundant storage (LRS)
C.
Geo-redundant storage (GRS)
D.
Read-access geo-redundant storage (RA-GRS)
How to approach this question
Identify the redundancy option that spans datacenters but not regions.
Full Answer
A.Zone-redundant storage (ZRS)✓ Correct
Zone-redundant storage (ZRS)
ZRS protects against datacenter failures by replicating across Availability Zones. Pillar: Reliability.
Common mistakes
Choosing GRS, which protects against region failure but not local datacenter failure.
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