AZ-304 Azure Business Continuity and Disaster Recovery

Question 1

What does the Recovery Time Objective (RTO) represent in a disaster recovery plan?

Accepted Answer

The maximum acceptable time to restore a service after a disaster

Answer

RTO defines the maximum tolerable duration of downtime — the amount of time within which a service must be restored to avoid unacceptable business impact.

Question 2

Which Azure service is used to orchestrate the replication and failover of Azure VMs to a secondary region for disaster recovery?

Accepted Answer

Azure Site Recovery

Answer

Azure Site Recovery (ASR) continuously replicates Azure VMs to a secondary region and enables orchestrated failover with recovery plans, minimizing RTO and RPO.

Question 3

A company requires a Recovery Point Objective (RPO) of near zero for a mission-critical Azure SQL Database. Which feature should be used?

Accepted Answer

Active Geo-Replication

Answer

Active Geo-Replication synchronously replicates transactions to up to four secondary replicas in real time, achieving near-zero RPO for Azure SQL Database.

Question 4

Which Azure SQL Database feature provides automatic failover with a configurable grace period and maintains read/write DNS endpoints that automatically redirect after failover?

Accepted Answer

Auto-Failover Groups

Answer

Auto-Failover Groups provide a single connection endpoint that automatically redirects to the secondary after failover, enabling application connectivity without DNS changes.

Question 5

Which Azure Backup feature allows you to retain database backups for up to 10 years to meet long-term compliance requirements?

Accepted Answer

Long-Term Retention (LTR)

Answer

Long-Term Retention (LTR) for Azure SQL Database stores full backups in geo-redundant storage for up to 10 years, supporting compliance and auditing requirements.

AZ-304 - Microsoft Azure Architect Design Practice Test

AZ-304 - Microsoft Azure Architect Design Practice Test

AZ-304 Azure Business Continuity and Disaster Recovery