AZ-305 Design business continuity solutions Practice Test 1 — 15 Questions

Question 1

A company runs a critical web application on Azure App Service in a single region. They need to achieve high availability across regions with automatic failover in the event of a regional outage. Which approach should they recommend?

Choose an answer to begin — your selection is scored in the full session.

Accepted Answer

Deploy to multiple regions with Azure Front Door. Azure Front Door provides global load balancing and automatic failover across multiple regions by routing traffic to the nearest healthy backend. For a critical web application requiring cross-region high availability, deploying App Service instances in multiple regions behind Front Door ensures seamless failover during a regional outage, as Front Door monitors endpoint health and redirects traffic away from failed regions.

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Deploy multiple App Service instances in the same region with Traffic Manager

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Use App Service auto-scaling rules to handle increased load

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Enable Azure Site Recovery for the App Service

Question 2

A company runs multiple on-premises workloads that are critical. They need a disaster recovery solution that can replicate workloads to Azure and enable failover in the event of an on-premises outage. The solution must support non-VMware and non-Hyper-V physical servers. Which Azure service should they use?

Accepted Answer

Azure Site Recovery. Azure Site Recovery (ASR) is the correct service because it provides orchestrated replication and failover for on-premises physical servers (including non-VMware, non-Hyper-V) to Azure. It supports physical-to-Azure (P2A) replication using the Mobility service installed on the source server, enabling automated failover during an outage. This directly meets the requirement for critical workload disaster recovery with failover capability.

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Azure Backup

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Azure Migrate

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Azure Disaster Recovery

Question 3

A company wants to back up their Azure VMs (running Windows and Linux) to a Recovery Services vault. The backup data must be encrypted at rest using customer-managed keys. They also need to retain monthly backups for 5 years for compliance. Which configuration should they use?

Accepted Answer

A. Azure Backup encrypts backup data using customer-managed keys by configuring encryption on the Recovery Services vault with a key from Azure Key Vault. ADE/DES are for VM disk encryption, not for backup data. The vault's CMK setting is the correct method.

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B

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C

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D

Question 4

A company runs a critical application on an Azure virtual machine in the West US region. They want to enable disaster recovery to East US with the ability to perform non-disruptive DR drills. They need an RPO of a few minutes. Which Azure service should they use?

Accepted Answer

Azure Site Recovery. Azure Site Recovery (ASR) is the correct service because it provides continuous replication of Azure VMs from a primary region (West US) to a secondary region (East US) with a Recovery Point Objective (RPO) of a few minutes. It also supports non-disruptive disaster recovery drills by allowing you to perform test failovers in an isolated network without impacting the production workload.

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Azure Backup

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Azure Traffic Manager

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Azure Blueprints

Question 5

A company runs a three-tier application on Azure VMs in the West US region. They want to enable disaster recovery to East US using Azure Site Recovery. The application requires that the web tier starts first, then the application tier, and finally the database tier after a consistency check. They also need to be able to perform non-disruptive DR drills. Which Azure Site Recovery capabilities should they use together?

Accepted Answer

Recovery Plan with pre/post actions and Test Failover. A Recovery Plan in Azure Site Recovery allows you to define the startup order of tiers (web, app, database) using pre-actions and post-actions, which can invoke Azure Automation runbooks or scripts to perform the consistency check. Test Failover enables non-disruptive DR drills by creating an isolated copy of the replicated VMs in East US without impacting the production environment. Together, these capabilities meet both the ordered startup and drill requirements.

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Network mapping and IP customization

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Replication policy with crash-consistent snapshots

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Azure Automation runbooks and Azure Monitor alerts

Question 6

A company runs a critical application that uses Azure SQL Managed Instance in the West Europe region. They need to ensure that the database remains available if a regional failure occurs. The solution must provide automatic failover with an RPO of less than 5 seconds and an RTO of less than 1 minute. The secondary region must also be able to serve read-only queries for reporting purposes. Which Azure service should they use?

Accepted Answer

Deploy SQL Server Always On Availability Groups with a synchronous replica in North Europe.. Auto-failover groups for Azure SQL Managed Instance provide automatic failover and readable secondaries, but they are designed for an RPO of 5 seconds and an RTO of about 1 hour. This does not satisfy the required RTO of <1 minute. To achieve the required RPO and RTO, a synchronous replica with automatic failover is needed, which is provided by SQL Server Always On Availability Groups on IaaS VMs (option C). This configuration can have an RPO of 0 (synchronous commit) and an RTO of seconds, and the secondary can be configured to accept read-only queries.

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Configure Azure SQL Managed Instance with an auto-failover group to a secondary instance in North Europe.

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Enable read-access geo-redundant storage (RA-GRS) on the storage account hosting the database files.

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Use Azure Site Recovery to replicate the SQL Managed Instance to a secondary region as a virtual machine.

Question 7

A company backs up their Azure VMs using Azure Backup. They need to meet compliance that requires backups to be stored in a separate geographic region. Additionally, they want to be able to restore the entire VM to that secondary region in case of a regional disaster. What should they configure?

Accepted Answer

Use a Recovery Services vault with Geo-Redundant Storage (GRS) and enable cross-region restore. Azure Backup with a Recovery Services vault using Geo-Redundant Storage (GRS) replicates backup data to a paired secondary region, meeting the compliance requirement for geographic separation. Enabling cross-region restore allows the entire VM to be restored in that secondary region during a regional disaster, as the backup data is already available there.

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Use a Recovery Services vault with Locally Redundant Storage (LRS) and enable cross-region restore

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Use Azure Site Recovery to replicate the entire VM to the secondary region

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Manually copy backup snapshots to a storage account in the secondary region

Question 8

A company runs a critical web application on Azure App Service in a single region. They need to achieve high availability across regions with automatic failover in the event of a regional outage. Which approach should they recommend?

Choose an answer to begin — your selection is scored in the full session.

Accepted Answer

Azure SQL Database with active geo-replication and an auto-failover group. Active geo-replication with an auto-failover group is the correct choice because it provides automatic, asynchronous replication of data to a secondary region with an RPO of 5 seconds (typically under 5 seconds) and an RTO of 1 minute when the failover group is configured with a grace period. Additionally, the secondary replica can be used for read-only queries by connecting with ApplicationIntent=ReadOnly, meeting the reporting requirement.

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Azure SQL Database with geo-restore

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Azure SQL Database with a standby replica

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Azure SQL Database with cross-region failover

Question 9

A company runs a multi-tier application on Azure VMs in the West US region. The application has web, application, and database tiers. They want to use Azure Site Recovery for disaster recovery to East US. They need to ensure that after failover, the web tier starts first, then the application tier, and finally the database tier after a consistency check. They also need to be able to perform non-disruptive DR drills. Which Azure Site Recovery capabilities should they use together?

Accepted Answer

Create a recovery plan with custom groups and scripts for startup order, and use test failover for DR drills. Azure Site Recovery (ASR) recovery plans allow you to define custom groups and scripts to control the startup order of VMs after failover. By placing the web, application, and database tiers into separate groups with pre- and post-actions (e.g., PowerShell scripts), you can ensure the web tier starts first, then the application tier, and finally the database tier after a consistency check. ASR's test failover capability performs a non-disruptive DR drill by creating isolated copies of VMs in a separate VNet without impacting the production environment.

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Use Azure Backup for the VMs and restore them in order after failover

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Use an availability set to control startup order and use disaster recovery drills in a separate VNet

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Use Azure Traffic Manager to route traffic after failover and manually start VMs in order

Question 10

A company runs SQL Server on an Azure virtual machine. They need to ensure high availability within a single Azure region. The solution must provide automatic failover with zero data loss (synchronous replication) and support read-only routing for reporting workloads. Which solution should they implement?

Accepted Answer

SQL Server Always On Availability Group. SQL Server Always On Availability Groups (AG) provide high availability and disaster recovery at the database level. They support synchronous replication with automatic failover, ensuring zero data loss (RPO=0) within a single Azure region. Additionally, AGs allow secondary replicas to be configured as readable, enabling read-only routing for reporting workloads, which directly meets all stated requirements.

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SQL Server Failover Cluster Instance (FCI)

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Azure Site Recovery

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Azure Backup

Question 11

A company runs a critical line-of-business application on 10 Azure VMs. They need a disaster recovery solution that replicates the VMs to a secondary region with a recovery point objective (RPO) of 30 minutes and a recovery time objective (RTO) of 1 hour. The solution must support non-disruptive testing of failover for quarterly compliance drills. Which Azure service should they use?

Accepted Answer

Azure Site Recovery. Azure Site Recovery (ASR) orchestrates replication, failover, and failback of Azure VMs to a secondary region, meeting the RPO of 30 minutes (continuous replication with 30-second RPO) and RTO of 1 hour (orchestrated recovery). It supports non-disruptive test failovers via isolated networks, which is essential for quarterly compliance drills without impacting production.

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Azure Backup

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Azure Migrate

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Manual VM replication to secondary region

Question 12

A company uses Azure Backup to protect their critical Azure VMs. An administrator accidentally deleted a file from one of the VMs. They need to restore that specific file quickly without restoring the entire VM. Which Azure Backup feature should they use?

Accepted Answer

Azure Backup file recovery. Azure Backup's file recovery feature allows you to mount a recovery point as a drive on the VM (or another machine) using iSCSI, enabling you to browse and copy individual files without restoring the entire VM. This is the correct choice because it meets the requirement for a quick, granular restore of a single deleted file.

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Azure Backup full VM restore

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Azure Site Recovery

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Azure Storage snapshots

Question 13

A company runs a critical SQL Server database on an Azure virtual machine. They need a high-availability solution within a single region that provides automatic failover, zero data loss (synchronous replication), and support read-only routing for reporting workloads. Which solution should they implement?

Accepted Answer

SQL Server Always On Availability Group with synchronous replication across availability zones. SQL Server Always On Availability Group with synchronous replication across availability zones meets all requirements: it provides automatic failover, zero data loss through synchronous commit mode, and supports read-only routing by directing reporting workloads to readable secondary replicas. This solution operates within a single Azure region using availability zones for high availability.

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SQL Server Always On Failover Cluster Instance (FCI) with shared disks

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Azure SQL Database Managed Instance with active geo-replication

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Azure SQL Database with active geo-replication

Question 14

A company runs a critical web application on Azure VMs in the West US region. They need a disaster recovery solution that replicates the VMs to the East US region. The recovery point objective (RPO) must be 30 minutes, and the recovery time objective (RTO) must be 1 hour. The company also needs to perform quarterly disaster recovery drills without impacting the production environment. Additionally, after a failover, the solution must automatically update traffic management to route users to the East US region. Which combination of Azure services should they use?

Accepted Answer

Azure Site Recovery and Azure Traffic Manager. Azure Site Recovery (ASR) orchestrates replication, failover, and failback of Azure VMs from West US to East US, meeting the 30-minute RPO and 1-hour RTO. Azure Traffic Manager automatically updates DNS-based traffic routing to the East US region after failover, ensuring users are redirected without manual intervention. This combination satisfies all requirements: DR replication, RPO/RTO, quarterly drills (via test failover), and automated traffic management.

Answer

Azure Backup and Azure Traffic Manager

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Azure Site Recovery and Azure Front Door

Answer

Azure Backup and Azure Front Door

Question 15

A company uses Azure Site Recovery to replicate critical Azure virtual machines (VMs) to a secondary Azure region for disaster recovery. The VMs use managed disks and are part of a multi-tier application. After a failover, the recovery VMs must be automatically placed into a specific availability set to maintain the application architecture. How should the administrator configure this in Azure Site Recovery?

Accepted Answer

Configure the target availability set in the VM replication settings in the Recovery Services vault. Azure Site Recovery (ASR) allows you to configure the target availability set directly in the replication settings for each VM. When you enable replication for a VM, under the 'Target availability set' setting, you can select an existing availability set in the target region. ASR will then automatically place the recovered VM into that availability set during failover, ensuring the multi-tier application architecture is maintained without manual intervention.

Answer

Create a recovery plan and add a manual step or script to move VMs to the availability set after failover

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Convert the managed disks to unmanaged disks for replication, then specify the availability set

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Azure Site Recovery does not support placing VMs into an availability set in the target region