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Home
Microsoft Exams
Azure
AZ-900 Microsoft Azure Fundamentals Exam
Describe redundancy options
Azure Storage Redundancy Decision Tree

Diagram

Azure Storage Redundancy Decision Tree

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A decision tree that branches on cross-region disaster recovery needs, zone-level protection, and read access to a secondary region to select the appropriate Azure Storage redundancy option.

In the Domain

Assess Redundancy Options for Different Scenarios

Azure storage redundancy helps ensure high availability and data resilience by keeping multiple copies of your data. This practice protects against hardware failures, network problems, or even larger regional outages. Choosing the right option depends on balancing your data's criticality, your budget, and any compliance rules you must follow.

Azure offers several main redundancy models:

Locally Redundant Storage (LRS): Stores three copies within a single data center.
Zone-Redundant Storage (ZRS): Distributes three copies across three separate availability zones in one region.
Geo-Redundant Storage (GRS): Stores three copies in a primary region and asynchronously replicates three more to a secondary region.
Read-Access Geo-Redundant Storage (RA-GRS): Similar to GRS but allows read access to the secondary copies.
Geo-Zone-Redundant Storage (GZRS) and its read-access version combine ZRS and GRS for both zone and region protection.

Read it in the Domain summary

Domain 3 of 6

Describe redundancy options

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Last updated November 16, 2024

Domain 3 of 6

Describe redundancy options

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15 practice questions

Practice this Domain

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1.An organization hosts mission-critical business reports in an Azure Storage account. The organization requires protection against regional disasters by copying data asynchronously to a secondary paired region hundreds of miles away. In addition, client applications distributed globally need immediate, continuous read access to the data in the secondary region at all times, without waiting for or initiating an account failover. Which Azure Storage redundancy option should the organization select?
2.An organization is deploying a mission-critical line-of-business application in Azure. The architecture team has established the following storage requirements: Data must remain resilient against individual data center hardware and facility failures. Data must be synchronously copied across three separate physical availability zones within the primary region. Data must not be replicated to a secondary geographic region due to data governance and compliance policies. Which Azure Storage redundancy option should the organization select?
3.A company is configuring a new Azure Storage account to store temporary application cache files and non-critical logs that can easily be reconstructed if lost. The organization has established the following requirements: Cost optimization: The solution must use the lowest-cost redundancy option available in Azure Storage. Hardware resilience: The data must be replicated three times within a single physical data center to guard against individual drive, server, and rack failures. Risk tolerance: The workload does not require protection against catastrophic facility-wide disasters such as building fires or localized flooding. Which Azure Storage redundancy option should the company select?
4.A retail company is configuring an Azure Storage account to store non-critical product catalog images. The company has defined the following requirements: Provide protection against localized disk and hardware failures within a single data center Achieve the lowest possible storage cost Cross-zone and cross-region replication are not required Which Azure Storage redundancy option should the company select?
5.An organization is configuring an Azure Storage account to host business-critical application data. To ensure high availability, the architecture team establishes the following data resilience and governance requirements: Data must be protected against localized physical datacenter failures within the primary region. Data must be synchronously copied across three separate Azure availability zones. Data must not be replicated outside the primary region to comply with strict regional data residency regulations. Which Azure Storage redundancy option should the organization select?

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Home
Microsoft Exams
Azure
AZ-900 Microsoft Azure Fundamentals Exam
Describe redundancy options
Azure Storage Redundancy Decision Tree

Diagram

Azure Storage Redundancy Decision Tree

X LinkedIn Facebook Reddit

In the Domain

Assess Redundancy Options for Different Scenarios

Azure storage redundancy helps ensure high availability and data resilience by keeping multiple copies of your data. This practice protects against hardware failures, network problems, or even larger regional outages. Choosing the right option depends on balancing your data's criticality, your budget, and any compliance rules you must follow.

Azure offers several main redundancy models:

Locally Redundant Storage (LRS): Stores three copies within a single data center.
Zone-Redundant Storage (ZRS): Distributes three copies across three separate availability zones in one region.
Geo-Redundant Storage (GRS): Stores three copies in a primary region and asynchronously replicates three more to a secondary region.
Read-Access Geo-Redundant Storage (RA-GRS): Similar to GRS but allows read access to the secondary copies.
Geo-Zone-Redundant Storage (GZRS) and its read-access version combine ZRS and GRS for both zone and region protection.

Read it in the Domain summary

Domain 3 of 6

Describe redundancy options

Read the Domain summary

Practice this Domain

15 practice questions

Practice this Domain

Last updated November 16, 2024

Domain 3 of 6

Describe redundancy options

Read the Domain summary

Practice this Domain

15 practice questions

Practice this Domain

Practice questions in this domain

1.An organization hosts mission-critical business reports in an Azure Storage account. The organization requires protection against regional disasters by copying data asynchronously to a secondary paired region hundreds of miles away. In addition, client applications distributed globally need immediate, continuous read access to the data in the secondary region at all times, without waiting for or initiating an account failover. Which Azure Storage redundancy option should the organization select?
2.An organization is deploying a mission-critical line-of-business application in Azure. The architecture team has established the following storage requirements: Data must remain resilient against individual data center hardware and facility failures. Data must be synchronously copied across three separate physical availability zones within the primary region. Data must not be replicated to a secondary geographic region due to data governance and compliance policies. Which Azure Storage redundancy option should the organization select?
3.A company is configuring a new Azure Storage account to store temporary application cache files and non-critical logs that can easily be reconstructed if lost. The organization has established the following requirements: Cost optimization: The solution must use the lowest-cost redundancy option available in Azure Storage. Hardware resilience: The data must be replicated three times within a single physical data center to guard against individual drive, server, and rack failures. Risk tolerance: The workload does not require protection against catastrophic facility-wide disasters such as building fires or localized flooding. Which Azure Storage redundancy option should the company select?
4.A retail company is configuring an Azure Storage account to store non-critical product catalog images. The company has defined the following requirements: Provide protection against localized disk and hardware failures within a single data center Achieve the lowest possible storage cost Cross-zone and cross-region replication are not required Which Azure Storage redundancy option should the company select?
5.An organization is configuring an Azure Storage account to host business-critical application data. To ensure high availability, the architecture team establishes the following data resilience and governance requirements: Data must be protected against localized physical datacenter failures within the primary region. Data must be synchronously copied across three separate Azure availability zones. Data must not be replicated outside the primary region to comply with strict regional data residency regulations. Which Azure Storage redundancy option should the organization select?