AZ-104: Microsoft Azure Administrator Full Course - GRS and RA-GRS

The video tutorial explains various replication schemes for Azure storage accounts, focusing on Geo Redundant Storage (GRS) and Read Access Geo Redundant Storage (RA GRS). It covers the replication process, disaster recovery concepts like Recovery Point Objective (RPO) and Recovery Time Objective (RTO), and the failover process. The tutorial also previews upcoming topics on GeoZone Redundant Storage (GPRS) and RA GPRS.

What is the primary benefit of using Geo-Redundant Storage (GRS)?

• Lower cost compared to LRS

• Higher data durability even during regional outages

• Simplified data management

• Faster data access speeds

How is data initially replicated in a storage account with GRS or RA-GRS enabled?

• Directly to the secondary region

• Only to the primary region

• Within the local redundant storage first

• To multiple secondary regions simultaneously

What is the difference between DRS and RA-GRS?

• DRS allows read access from the secondary region at all times

• DRS is more cost-effective than RA-GRS

• RA-GRS requires Microsoft to initiate a failover for read access

• RA-GRS allows read access from the secondary region without failover

What does the Recovery Point Objective (RPO) indicate?

• The number of regions data is replicated to

• The point in time to which data can be recovered

• The total cost of data recovery

• The maximum time allowed for data recovery

What is the typical RPO for Azure storage?

• Less than 5 minutes

• Less than 15 minutes

• Less than 30 minutes

• Less than 1 hour

What does the Recovery Time Objective (RTO) measure?

• The time it takes to perform a failover and restore operations

• The cost of performing a failover

• The time it takes to initiate a failover

• The number of data centers involved in a failover

What happens to the access keys for a storage account during a failover?

• They are temporarily disabled

• They are only valid for the primary region

• They remain the same for both primary and secondary endpoints

• They change to new keys