AZ-300 Azure High Availability & Disaster Recovery 3

Question 1

What is the SLA guarantee for Azure VMs deployed across two or more Availability Zones?

Accepted Answer

99.99%

Answer

99.9%

Answer

99.95%

Answer

100%

Question 2

Which Azure Backup retention tier stores recovery points at a lower cost for long-term archive?

Accepted Answer

Archive tier

Answer

Operational tier

Answer

Vault-standard tier

Answer

Cool access tier

Question 3

A company needs automatic DNS-based failover from a primary Azure region to a secondary region when the primary becomes unhealthy. Which Azure service provides this?

Accepted Answer

Azure Traffic Manager with Priority routing

Answer

Azure Application Gateway

Answer

Azure Load Balancer with health probes

Answer

Azure Front Door with WAF

Question 4

What does the Recovery Time Objective (RTO) define in a business continuity plan?

Accepted Answer

The maximum time allowed to restore business operations after a disaster

Answer

The maximum acceptable age of recovery data

Answer

The number of replicas required to meet availability SLA

Answer

The geographic distance between primary and secondary regions

Question 5

You configure Azure Site Recovery for a VM and initiate a planned failover to the secondary region. What happens to replication after the failover?

Accepted Answer

Replication automatically reverses to replicate from the new primary back to the original region

Answer

Replication stops and must be manually reconfigured

Answer

The VM in the secondary region becomes standalone with no replication

Answer

Azure automatically fails back to the original region after 24 hours

Question 6

Which Azure Storage redundancy option replicates data synchronously across three Availability Zones within the same region?

Accepted Answer

Zone-redundant storage (ZRS)

Answer

Locally redundant storage (LRS)

Answer

Geo-redundant storage (GRS)

Answer

Read-access geo-redundant storage (RA-GRS)

Question 7

An enterprise requires that Azure VM backups be retained for 5 years to meet compliance requirements. Which Azure Backup feature supports this?

Accepted Answer

Azure Backup long-term retention using the Archive tier in a Recovery Services vault

Answer

Daily backup policy with a 5-year retention window in the standard vault tier

Answer

Azure Blob Storage lifecycle policies with automatic tiering

Answer

Azure Site Recovery with 5-year replication history