Design Business Continuity Solutions

A retail company plans to migrate its inventory reconciliation service to Azure Virtual Machines. The service must achieve a cumulative virtual machine uptime SLA of 99.99% and must be resilient against the failure of an entire datacenter.

Which virtual machine deployment configuration should you design to satisfy these requirements?

A logistics company runs a fleet tracking application in the West US 2 region. The application's architecture includes two front-end web server virtual machines named Web-01 and Web-02, and a backend SQL Server database hosted on a single virtual machine named DB-01.

Web-01 and Web-02 both run on Standard SSD disks, each experiencing a continuous write churn of $1.5\text{ MB/s}$. DB-01 uses three Premium SSD v1 disks:
* OS Disk: $2\text{ MB/s}$ average write churn
* Data Disk: $12\text{ MB/s}$ average write churn
* Transaction Log Disk: $56\text{ MB/s}$ average write churn

You are designing a disaster recovery (DR) solution to the East US region. The solution must meet the following requirements:
* The web servers must have a Recovery Point Objective (RPO) of 1 hour and a Recovery Time Objective (RTO) of 2 hours.
* The database must have an RPO of less than 10 seconds and an RTO of 15 minutes.

Which disaster recovery design should you recommend?

OmniGene Diagnostics is designing a disaster recovery and business continuity solution for its genomic analysis application. The application writes raw gene sequencing data to an Azure Storage account. The solution must meet the following requirements:

- Protect data against a local datacenter (zone) outage in the primary region with zero data loss.
- Provide a Recovery Point Objective (RPO) of less than 15 minutes for regional outages.
- Provide a Recovery Time Objective (RTO) of less than 1 hour.
- Allow the secondary region application instance to read data immediately during a primary region outage without waiting for a failover.
- Support write operations in the secondary region if a prolonged primary region outage occurs.
- Minimize costs.

Which two configurations should you recommend to meet the requirements? (Select two.)

A financial technology enterprise is designing a global, multi-region traffic routing and failover solution for its payment processing platform deployed in the East US 2 and West Europe regions. The solution must accommodate the following incoming traffic streams:

* Stream 1: HTTPS-based web API traffic requiring SSL termination at the network edge, path-based routing (routing `/charge` and `/refund` requests to different backend pools), and integrated Web Application Firewall (WAF) protection.
* Stream 2: A proprietary, latency-sensitive TCP-based client application communicating over port $9090$. This stream does not support HTTP encapsulation and must be routed to the closest healthy regional endpoint.

Which traffic routing configuration should you recommend to meet these requirements?

An organization is designing a disaster recovery (DR) solution from the East US region to the West US region for an inventory management system. The system consists of two Web tier VMs (each with a $100\text{ GB}$ Premium SSD and a write churn of $0.5\text{ MB/s}$), two App tier VMs (each with a $128\text{ GB}$ Premium SSD and a write churn of $1.5\text{ MB/s}$), and one Database tier VM running SQL Server on an Azure VM. The Database VM has one OS disk with a write churn of $2\text{ MB/s}$, one data disk with a write churn of $8\text{ MB/s}$, and one transaction log disk with a write churn of $26\text{ MB/s}$. All disks on the Database VM are Premium SSDs. The organization requires a target recovery point objective (RPO) of $15\text{ minutes}$ and a recovery time objective (RTO) of $2\text{ hours}$. Which disaster recovery design should you recommend?

A logistics company is designing a disaster recovery solution for an application database. The database is currently hosted on Azure SQL Managed Instance. The solution must meet the following requirements:
- Support automatic failover to a secondary region.
- Provide a single connection endpoint for read-write traffic and a separate endpoint that automatically routes read-only reporting queries to the secondary region.
- Keep the Recovery Point Objective (RPO) under 5 seconds.
- Ensure all replication traffic between the primary and secondary instances remains within a private network boundary.

Which solution should you recommend?

An organization needs to set up a backup strategy for their Azure Virtual Machines hosting development and testing workloads. The design must meet the following requirements:
- Minimize storage costs for the backup data.
- Retain daily backups for 30 days.
- Provide the fastest possible restore speed for the last 5 days of backups.

Which of the following configurations should you include in the backup design? (Select TWO).

An organization hosts its production workloads on Azure Virtual Machines. You are designing an Azure Backup solution that must meet the following requirements:
- Technical recoveries of backups from the last $5$ days must achieve the lowest possible Recovery Time Objective (RTO) by restoring directly from local disk snapshots.
- Monthly backups must be retained for $3$ years ($36$ months) to satisfy regulatory auditing compliance.
- The backup data must remain accessible even in the event of an entire Azure region outage.

You deploy a Recovery Services vault configured with Geo-Redundant Storage (GRS). Which configuration should you recommend in the backup policy?

You are designing a business continuity and disaster recovery solution for a suite of critical Azure Virtual Machines hosting an enterprise resource planning (ERP) application.

The solution must satisfy the following technical and compliance requirements:
1. Operational recovery: Must support instant recovery of VMs directly from local snapshots for any recovery points created within the last 14 days.
2. Compliance retention: Backups must be retained in vault storage for 365 days.
3. Regional resiliency: Backups must be replicated to a secondary paired region. Administrators must be able to perform test restores in the secondary region at any time, including when the primary region is fully operational.

Which vault type, storage redundancy, and backup policy configuration should you recommend?

You are designing a backup solution for a fleet of Azure Virtual Machines running a business-critical enterprise resource planning (ERP) application.

The design must satisfy the following requirements:
- Restore operations for backups younger than 7 days must achieve the lowest possible Recovery Time Objective (RTO) by recovering directly from local snapshots (Instant Restore).
- Recovery points must be retained in a Recovery Services vault for 365 days to meet regulatory compliance.
- The solution must allow restoration to a paired secondary region at any time, even if the primary region is fully functional and online.

Which backup configuration should you recommend?

You are designing a high availability and disaster recovery (HA/DR) solution for an on-premises database that is migrating to Azure. The database relies on SQL Server Agent jobs and performs cross-database queries. The disaster recovery design must support automatic failover to a secondary region, a Recovery Time Objective (RTO) of 1 hour, and a single connection endpoint that redirects application traffic without requiring connection string modifications during a failover. Which solution should you recommend?

You are designing a backup solution for production Azure Virtual Machines. The solution must meet the following requirements:
- Operational restores for failures occurring within the last few days must have a Recovery Time Objective (RTO) of under 10 minutes by utilizing the Instant Restore feature.
- The solution must minimize operational costs by using a standard backup policy rather than an enhanced backup policy.
- All backup data must remain within the primary region to comply with local data residency regulations.

What is the maximum retention period in days that can be configured for the instant recovery snapshots in the standard backup policy?

You are designing a disaster recovery (DR) solution for a critical financial application migrating to Azure. The application database has the following requirements:
- Employs native cross-database queries and relies heavily on SQL Server Agent jobs.
- Requires database replication between East US (primary) and West US (secondary).
- The write workload must connect via a single endpoint that remains unchanged during a failover.
- Reporting applications must run read-only queries against the secondary region using a dedicated endpoint.
- All database traffic must remain within private virtual networks without traversing the public internet.

Which database configuration should you recommend to meet these requirements?

You are designing an Azure Backup solution for a suite of critical Azure Virtual Machines hosting a high-performance SAP HANA database. The solution must satisfy the following requirements:
- Back up the virtual machines $2$ times per day to protect against database transaction losses.
- Retain the local instant recovery snapshots on the virtual machines' managed disks for $14$ days to allow quick operational restores.
- Protect the backup data against regional disasters by replicating it to a secondary paired region, allowing recovery even if the primary region is completely unavailable.

Which of the following configuration options must you include in your backup design? (Select TWO)

An organization is designing a backup solution for business-critical Azure Virtual Machines hosting an enterprise database. The solution must meet the following requirements:

* Daily backups must be retained for a minimum of $30$ days.
* Restore operations for any backup up to $14$ days old must be performed as an 'Instant Restore' to meet strict Recovery Time Objective (RTO) targets.
* Backups must remain available even in the event of a regional datacenter disaster.

Which two configurations should you include in the backup design to meet the requirements?

You are designing a backup solution for Azure Virtual Machines that host a critical business application. The design must meet the following requirements:
- Backups must be recoverable even if the primary Azure region experiences a complete disaster.
- Recent backups from the last 5 days must be available for fast recovery directly from local snapshots without vault latency.
- Backups must be retained for a total of 5 years to meet regulatory compliance.

Which two configurations should you include in the backup design? Select two.

An organization is designing a high availability and disaster recovery (HA/DR) solution for a retail application database layer that is migrating to Azure. The database workload depends on SQL Server Agent for scheduled data-aggregation tasks and requires cross-database queries. The solution must meet the following requirements:
- Recover from a regional outage automatically with a Recovery Time Objective (RTO) of less than 1 hour.
- Maintain a single connection string for the application tier that does not require modification during a regional failover.
- Allow read-heavy reporting applications to query the secondary replica in the secondary region to reduce query impact on the primary database.

Which two options should you recommend to meet these requirements? (Select TWO.)

You are designing a backup solution for a production SAP HANA database running on an Azure virtual machine. The solution must satisfy the following requirements:
- Retain weekly full backups for 365 days.
- Ensure backup data is resilient to a primary region outage.
- Enable database restoration to a secondary paired region with minimal delay in the event of a primary region disaster.

Which backup configuration should you recommend?

You are designing a disaster recovery solution for an application that uses an Azure SQL Database. The solution must support automatic failover to a secondary Azure region in the event of a primary region outage. The application must be able to reconnect to the database after failover without any changes to its connection string. Which solution should you recommend?

A healthcare provider requires a business continuity strategy for an electronic health record (EHR) database migrating to Azure. The database workload has the following requirements:

* It must support legacy cross-database queries and execute SQL Server Agent jobs for nightly aggregation tasks.
* It must survive a regional outage with a Recovery Time Objective (RTO) of $1$ hour and a Recovery Point Objective (RPO) of $5$ seconds.
* Failover to the secondary region (West US) must occur automatically, using a single connection endpoint that redirects write traffic without requiring application configuration updates.
* Read-only analytical queries must be offloaded to the secondary region.

You plan to implement Azure SQL Managed Instances in East US (primary) and West US (secondary).

Which of the following configuration actions must you perform to satisfy these requirements? (Select $2$.)