AZ-305 Technical Constraints, Limits, and Performance Hinge-Points

What is the maximum storage limit for a Single Database in the Business Critical vCore tier?

4 TB.

What is the maximum database size for a SQL Managed Instance in the General Purpose tier?

8 TB.

What is the maximum number of DTUs available in the Premium tier?

4,000 DTUs.

What is the maximum number of vCores you can provision for an Azure SQL Managed Instance?

80 vCores.

Which Azure SQL tier is required to access In-Memory OLTP?

Premium (DTU model) or Business Critical (vCore model).

What is the backup retention limit for the Basic DTU tier?

7 days (Fixed, cannot be extended).

What is the maximum storage size for the Hyperscale tier?

100 TB.

What is the minimum Autopause delay setting for SQL Serverless?

1 hour.

How many readable secondary replicas can be created using Active Geo-replication?

Up to 4.

What is the maximum recovery window for Point-in-Time Restore (PITR) in Azure SQL?

35 days.

What is the maximum bandwidth for a single S2S VPN Gateway (VpnGw5 SKU)?

10 Gbps.

What is the maximum throughput of an Azure Firewall with auto-scaling?

Up to 30 Gbps.

Which load balancer is required if you need to support UDP traffic at Layer 4?

Azure Load Balancer (Standard SKU).

What is the maximum number of VNet Peerings per virtual network?

500 (Default limit).

Which ExpressRoute peering type is specifically for Office 365 and PaaS services?

Microsoft Peering.

What is the maximum number of Rules per NSG?

1,000.

What is the maximum throughput for a standard ExpressRoute circuit?

10 Gbps (Up to 100 Gbps for ExpressRoute Direct).

How many Backend Pools can a single Azure Front Door instance support?

250.

What is the maximum number of IP Configurations per Network Interface (NIC)?

250.

Which protocol is NOT supported by Azure Application Gateway?

UDP (It is strictly a Layer 7 HTTP/S balancer).

What is the maximum IOPS for an Azure Ultra Disk?

160,000 IOPS.

What is the maximum throughput for a Premium SSD (P80)?

900 MB/s.

What is the maximum size for a single Azure Managed Disk?

32,767 GB (approx. 32 TB).

Which disk tier is required to support Shared Disks for a Windows Cluster?

Premium SSD or Ultra Disk.

What is the baseline IOPS for a Standard HDD?

Up to 500 IOPS.

What is the maximum throughput for Azure NetApp Files (Ultra tier)?

Up to 4,500 MB/s.

How many snapshots can you have per managed disk?

500.

What is the minimum size for an Ultra Disk?

4 GB.

True or False: Standard SSDs support Disk Bursting.

True (only on small disk sizes).

What is the maximum number of VMs that can share a single P15 Premium SSD?

2 VMs.

What is the maximum number of Management Groups in an Azure AD tenant?

10,000.

What is the maximum depth of a Management Group hierarchy?

6 levels (excluding Root/Subscriptions).

How many Role Assignments are allowed per subscription?

2,000.

What is the maximum number of Azure Policy assignments per scope?

100.

What is the maximum number of Resources per Resource Group?

800 instances of a specific resource type.

What is the maximum number of Tags per resource?

50.

How many Conditional Access policies can exist per tenant?

195.

What is the maximum run duration for a Stateful Logic App?

90 days.

What is the maximum number of Custom RBAC roles in a tenant?

5,000.

How long is Activity Log data retained by default for free?

90 days.