Bird
Raised Fist0
Azurecloud~5 mins

Disaster recovery strategies in Azure - Cheat Sheet & Quick Revision

Choose your learning style10 modes available
LearnWhyDeepVisualTryChallengeProjectRecallTime

Start learning this pattern below

Jump into concepts and practice - no test required

or
Recommended
Test this pattern10 questions across easy, medium, and hard to know if this pattern is strong
Recall & Review
beginner
What is the main goal of disaster recovery in cloud infrastructure?
The main goal is to restore IT systems and data quickly after a failure or disaster to minimize downtime and data loss.
Click to reveal answer
intermediate
Explain the difference between Recovery Point Objective (RPO) and Recovery Time Objective (RTO).
RPO is the maximum acceptable amount of data loss measured in time (how far back data can be recovered). RTO is the maximum acceptable time to restore systems after a disaster.
Click to reveal answer
beginner
What is Azure Site Recovery and how does it help in disaster recovery?
Azure Site Recovery replicates workloads running on physical and virtual machines to a secondary location, enabling quick failover and recovery during disasters.
Click to reveal answer
intermediate
Name two common disaster recovery strategies used in cloud environments.
1. Backup and Restore: Regular backups stored safely to restore data. 2. Pilot Light: Minimal critical systems running in a secondary region ready to scale up.
Click to reveal answer
beginner
Why is testing disaster recovery plans regularly important?
Regular testing ensures the plan works as expected, identifies gaps, and prepares teams to respond effectively during real disasters.
Click to reveal answer
What does RTO stand for in disaster recovery?
ARecovery Time Objective
BRecovery Transfer Operation
CRestore Time Option
DRemote Transfer Objective
Which Azure service helps replicate workloads for disaster recovery?
AAzure Site Recovery
BAzure Backup
CAzure Monitor
DAzure DevOps
What is the main purpose of a Pilot Light disaster recovery strategy?
AStore backups in cold storage
BRun full production systems in multiple regions simultaneously
CRun minimal critical systems in a secondary region ready to scale
DOnly backup data without system replication
Which of the following is NOT a disaster recovery best practice?
ARegularly test the recovery plan
BIgnore RPO and RTO requirements
CAutomate failover processes
DKeep backups offsite
What does RPO measure?
ARemote process operation
BMaximum downtime allowed
CRecovery process order
DMaximum data loss time allowed
Describe the key components of an effective disaster recovery strategy in Azure.
Think about how Azure services and recovery goals work together.
You got /4 concepts.
    Explain why disaster recovery planning is important for businesses using cloud infrastructure.
    Consider the impact of outages on business operations.
    You got /4 concepts.

      Practice

      (1/5)
      1. What is the main purpose of a disaster recovery strategy in Azure?
      easy
      A. To keep cloud services safe and running during failures
      B. To reduce the cost of cloud services
      C. To increase the speed of the internet connection
      D. To create new cloud services automatically

      Solution

      1. Step 1: Understand disaster recovery goals

        Disaster recovery aims to keep services available and safe during unexpected problems.

      2. Step 2: Identify the main purpose in Azure context

        Azure disaster recovery focuses on maintaining service continuity and data protection.

      3. Final Answer:

        To keep cloud services safe and running during failures -> Option A

      4. Quick Check:

        Disaster recovery = keep services running [OK]
      Hint: Disaster recovery means keeping services running during problems [OK]
      Common Mistakes:
      • Confusing disaster recovery with cost saving
      • Thinking it improves internet speed
      • Assuming it creates new services automatically
      2. Which Azure service is used to organize backups and failover plans for disaster recovery?
      easy
      A. Azure Virtual Machines
      B. Azure Recovery Services Vault
      C. Azure Blob Storage
      D. Azure Functions

      Solution

      1. Step 1: Identify the service for backup and failover

        Azure Recovery Services Vault is designed to manage backups and disaster recovery plans.

      2. Step 2: Compare with other services

        Virtual Machines run workloads, Blob Storage stores data, Functions run code, but only Recovery Services Vault organizes recovery.

      3. Final Answer:

        Azure Recovery Services Vault -> Option B

      4. Quick Check:

        Recovery Vault = backup and failover organizer [OK]
      Hint: Recovery Services Vault manages backups and failover plans [OK]
      Common Mistakes:
      • Choosing Virtual Machines as backup organizer
      • Confusing Blob Storage with recovery management
      • Selecting Functions for disaster recovery
      3. Consider this Azure CLI command snippet for disaster recovery setup: 
      az backup vault create --resource-group MyGroup --name MyVault
az backup protection enable-for-vm --vault-name MyVault --vm MyVM --policy-name DefaultPolicy
      What is the expected result after running these commands?
      medium
      A. The backup policy DefaultPolicy is deleted
      B. A virtual machine named MyVault is created and backed up
      C. A backup vault named MyVault is created and MyVM is protected by backup
      D. The resource group MyGroup is deleted

      Solution

      1. Step 1: Analyze the first command

        The first command creates a backup vault named MyVault in resource group MyGroup.

      2. Step 2: Analyze the second command

        The second command enables backup protection for the VM named MyVM using the DefaultPolicy in the vault MyVault.

      3. Final Answer:

        A backup vault named MyVault is created and MyVM is protected by backup -> Option C

      4. Quick Check:

        Vault created + VM backup enabled = A backup vault named MyVault is created and MyVM is protected by backup [OK]
      Hint: First create vault, then enable VM backup in that vault [OK]
      Common Mistakes:
      • Thinking a VM named MyVault is created
      • Assuming resource group is deleted
      • Believing backup policy is deleted
      4. You wrote this Azure Recovery Services Vault configuration but backups are not starting: 
      resource "azurerm_recovery_services_vault" "example" {
  name                = "example-vault"
  location            = "eastus"
  resource_group_name = "example-rg"
  sku                 = "Standard"
}

resource "azurerm_backup_policy_vm" "example_policy" {
  name                = "example-policy"
  resource_group_name = "example-rg"
  recovery_vault_name = azurerm_recovery_services_vault.example.name

  backup {
    frequency = "Daily"
    time      = "02:00"
    timezone  = "UTC"
  }

  retention_daily {
    count = 7
  }
}
      What is the likely error preventing backups from starting?
      medium
      A. The backup frequency must be hourly, not daily
      B. The vault SKU must be Premium, not Standard
      C. The resource group name is incorrect
      D. The backup policy is missing the 'timezone' setting

      Solution

      1. Step 1: Review backup policy requirements

        Azure backup policies require a timezone setting to schedule backups correctly.

      2. Step 2: Check configuration details

        The policy lacks a timezone field, which can prevent backups from starting.

      3. Final Answer:

        The backup policy is missing the 'timezone' setting -> Option D

      4. Quick Check:

        Missing timezone in policy stops backups [OK]
      Hint: Backup policies need timezone to schedule backups [OK]
      Common Mistakes:
      • Assuming SKU Standard is invalid
      • Thinking resource group name is wrong without evidence
      • Believing frequency must be hourly
      5. You want to design a disaster recovery plan in Azure that automatically fails over your web app to a secondary region if the primary region goes down. Which combination of Azure services and features should you use?
      hard
      A. Azure Traffic Manager with Recovery Services Vault and automated failover runbooks
      B. Azure Blob Storage with manual backup and restore scripts
      C. Azure Functions with local backups only
      D. Azure Virtual Machines without any backup or failover setup

      Solution

      1. Step 1: Identify failover automation tools

        Azure Traffic Manager can route traffic to a secondary region automatically when the primary fails.

      2. Step 2: Combine with backup and automation

        Recovery Services Vault stores backups, and runbooks automate failover processes for quick recovery.

      3. Step 3: Evaluate other options

        Blob Storage and Functions alone do not provide automated failover; VMs without backup lack recovery.

      4. Final Answer:

        Azure Traffic Manager with Recovery Services Vault and automated failover runbooks -> Option A

      5. Quick Check:

        Traffic Manager + Recovery Vault + automation = automated failover [OK]
      Hint: Use Traffic Manager plus Recovery Vault and automation for failover [OK]
      Common Mistakes:
      • Choosing manual backup without automation
      • Using Functions without failover setup
      • Ignoring backup and failover in VM-only option