AZ-300 Azure High Availability & Disaster Recovery 2

Question 1

Which Azure SQL Database feature enables automatic failover to a secondary database in a different region with minimal data loss?

Accepted Answer

Active geo-replication

Answer

Read replicas

Answer

Elastic pools

Answer

Transparent data encryption

Question 2

What is the maximum number of fault domains supported by an Azure Availability Set?

Accepted Answer

3

Answer

2

Answer

5

Answer

10

Question 3

A web application must remain available even if an entire Azure datacenter fails. Which redundancy option should be used?

Accepted Answer

Deploy VMs across Availability Zones in the same region

Answer

Deploy VMs in the same Availability Set

Answer

Use Azure Backup with geo-redundant storage

Answer

Deploy VMs in a single large VM SKU for vertical scaling

Question 4

Which Azure Cosmos DB feature provides automatic failover to a secondary region with zero data loss?

Accepted Answer

Multi-region writes (multi-master) configuration

Answer

Multi-master writes with strong consistency

Answer

Single-region writes with geo-redundancy enabled

Answer

Read replicas in a secondary region

Question 5

What type of Azure Site Recovery failover should you use to test your DR plan without impacting production workloads?

Accepted Answer

Test failover

Answer

Planned failover

Answer

Unplanned failover

Answer

Partial failover

Question 6

An organization requires RPO of 15 minutes for an Azure SQL Database. Which replication feature meets this requirement?

Accepted Answer

Active geo-replication with continuous asynchronous replication

Answer

Manual database backups every 15 minutes

Answer

Auto-failover groups with asynchronous replication

Answer

Point-in-time restore from automated backups

Question 7

Which Azure load balancing service operates at Layer 7 (HTTP/HTTPS) and provides global distribution of web traffic with SSL offloading?

Accepted Answer

Azure Front Door

Answer

Azure Load Balancer

Answer

Azure Traffic Manager

Answer

Azure Application Gateway