AZ-305 Design business continuity solutions Practice Test 5 — 15 Questions

Question 1

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?

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

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.

Answer

Azure Backup

Answer

Azure Traffic Manager

Answer

Azure Blueprints

Question 2

A company runs a legacy on-premises application that relies on a SQL Server database. They want to use Azure as a disaster recovery site with a recovery point objective of less than 15 minutes. They need to be able to fail back to the on-premises environment after a disaster. Which Azure service should they use?

Accepted Answer

Azure Site Recovery. Azure Site Recovery (ASR) orchestrates replication, failover, and failback of on-premises SQL Server workloads to Azure, supporting a Recovery Point Objective (RPO) of less than 15 minutes through continuous replication. It enables failback to the original on-premises environment after a disaster, which is a critical requirement for this scenario.

Answer

Azure Backup

Answer

Azure SQL Database

Answer

Azure Traffic Manager

Question 3

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?

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

Accepted Answer

Use Azure Site Recovery for VMs, active geo-replication for Azure SQL Database, and read-access geo-redundant storage (RA-GRS) for Blob Storage.. Azure Site Recovery provides the VM replication needed to meet the RTO of under 1 hour, active geo-replication for Azure SQL Database offers a configurable RPO of as low as 5 seconds (well under the 5-minute requirement), and RA-GRS for Blob Storage provides read-access to a secondary region with an RPO typically under 15 minutes, enabling fast failover and read access during a disaster.

Answer

Use Azure Site Recovery for VMs, geo-replication for Azure SQL Database, and geo-redundant storage (GRS) for Blob Storage.

Answer

Use Azure Backup for VMs, geo-redundant storage for SQL Database backups, and geo-redundant storage for Blob Storage.

Answer

Use Azure Front Door with multi-region deployment of VMs and Azure Cosmos DB for the database.

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?

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

Accepted Answer

Deploy AKS clusters in two regions and use Azure Traffic Manager to route traffic.. Deploying AKS clusters in two regions with Azure Traffic Manager enables active-passive or active-active failover. Traffic Manager uses DNS-based routing to direct traffic to the secondary region when the primary fails, meeting the RTO of 15 minutes. The stateless application can be redeployed or scaled in the secondary cluster, while the Azure SQL Database with active geo-replication ensures an RPO of 5 seconds by continuously replicating transactions.

Answer

Deploy a single AKS cluster with pods spread across availability zones within the region.

Answer

Use Azure Site Recovery to replicate the AKS cluster to another region.

Answer

Back up the AKS cluster configuration and container images to a geo-redundant storage account.

Question 5

A company has an on-premises application running on physical servers with various operating systems. They want to use Azure as a disaster recovery site with an RPO of less than 1 hour and an RTO of less than 4 hours. They need to replicate the servers to Azure and support failover and failback. Which Azure service should they use?

Accepted Answer

Azure Site Recovery. Azure Site Recovery (ASR) orchestrates replication, failover, and failback for physical servers and VMs to Azure, meeting the RPO of <1 hour and RTO of <4 hours. It supports heterogeneous operating systems on physical servers and provides continuous replication with recovery points as low as 30 seconds, enabling both planned and unplanned failover with full failback capability.

Answer

Azure Backup (MARS agent)

Answer

Azure Migrate

Answer

Azure File Sync

Question 6

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.

Answer

Network mapping and IP customization

Answer

Replication policy with crash-consistent snapshots

Answer

Azure Automation runbooks and Azure Monitor alerts

Question 7

A company runs SQL Server on an Azure virtual machine. They need to automate database backups with application-consistency and retain backups for 10 years to meet compliance. They also want to restore to any point in time within the last 35 days. Which Azure Backup solution should they use?

Accepted Answer

Azure Backup for SQL Server in Azure VM. Azure Backup for SQL Server in Azure VM (Option A) is correct because it provides native application-consistent backups for SQL Server databases running on Azure VMs, supports long-term retention (LTR) up to 10 years using the backup vault's retention rules, and enables point-in-time restore (PITR) for the last 35 days by leveraging SQL Server transaction log backups. This solution is specifically designed for SQL Server workloads and meets both compliance and recovery requirements without additional infrastructure.

Answer

Azure Backup for Azure VM

Answer

Azure Site Recovery

Answer

SQL Server Always On Availability Groups

Question 8

A company has an on-premises Hyper-V environment with 20 virtual machines running various workloads. They want to use Azure as a disaster recovery site. The required recovery point objective (RPO) is 15 minutes, and the recovery time objective (RTO) is 2 hours. They want to automate failover and failback. Which Azure service should they use?

Accepted Answer

Azure Site Recovery. Azure Site Recovery (ASR) is the correct service because it provides orchestrated replication, failover, and failback for Hyper-V VMs to Azure as a DR site. It supports the required RPO of 15 minutes (using near-synchronous replication with change tracking) and RTO of 2 hours (via automated recovery plans), and it natively automates both failover and failback processes without additional scripting.

Answer

Azure Migrate

Answer

Azure Backup

Answer

Azure Recovery Services Vault

Question 9

A company runs a file server on an Azure VM in the East US region. They want to back up the file shares to Azure and be able to restore individual files if accidentally deleted. They also need to be able to restore the entire file share to a secondary region (West US) in case of a regional disaster. The solution should automatically protect the file shares and provide versioning for up to 30 days. Which Azure service and configuration should they recommend?

Accepted Answer

Configure Azure Backup on the Azure file share using a Recovery Services vault with geo-redundant storage (GRS). Enable cross-region restore on the vault.. Azure Backup for Azure file shares uses a Recovery Services vault and can be configured with geo-redundant storage (GRS) to replicate backup data to a paired secondary region. Enabling cross-region restore on the vault allows restoring the entire file share to the secondary region (West US) during a regional disaster. Azure Backup automatically protects the file share with scheduled backups and provides up to 30 days of retention for point-in-time restores of individual files or the entire share.

Answer

Use Azure File Sync to sync the file share to an on-premises server, and then back up the on-premises server using Azure Backup.

Answer

Enable soft delete and versioning on the storage account, and configure replication to a secondary region using RA-GRS.

Answer

Create a scheduled Azure Automation runbook that takes snapshots of the file share every day and copy them to a storage account in West US.

Question 10

A company runs a critical SQL Server database on an Azure virtual machine. They need a backup strategy that supports point-in-time restore down to the second and long-term retention of backups for 7 years to meet compliance. They want to offload backup management to Azure. Which backup solution should they use?

Accepted Answer

Azure Backup for SQL Server on Azure VM. Azure Backup for SQL Server on Azure VM provides native integration that supports point-in-time restore down to the second for SQL Server databases and allows configuring long-term retention (LTR) for up to 10 years, meeting the 7-year compliance requirement. It offloads backup management to Azure by automating backup schedules, retention policies, and restore operations without requiring manual scripting or third-party tools.

Answer

Azure Site Recovery

Answer

SQL Server managed backup to Azure

Answer

Azure Disk Backup

Question 11

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.

Answer

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

Answer

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

Answer

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

Question 12

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.

Answer

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

Answer

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

Answer

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

Question 13

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?

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

Accepted Answer

Azure Site Recovery. Azure Site Recovery (ASR) orchestrates replication, failover, and failback of Azure VMs between regions. It supports RPOs as low as 15 minutes (continuous replication with crash-consistent or app-consistent snapshots) and RTOs of 2 hours or less, and it enables non-disruptive disaster recovery drills via test failover that isolates replicated VMs in a separate virtual network without impacting production.

Answer

Azure Backup

Answer

Azure Traffic Manager

Answer

Azure Front Door

Question 14

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.

Answer

SQL Server Failover Cluster Instance (FCI)

Answer

Azure Site Recovery

Answer

Azure Backup

Question 15

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.

Answer

Azure Backup

Answer

Azure Migrate

Answer

Manual VM replication to secondary region