Can I have multiple basic availability groups connected to a single instance?

How many AlwaysOn availability groups can be configured in always on?

You can have more than one AlwaysOn Availability Group on your instance, but databases cannot belong to more than one group. Not configured for database mirroring.

Can a database be part of two availability groups?

You can use the primary replica of the second availability group in a distributed availability group to create another distributed availability group, even though the database is not in RECOVERY. You can also use the primary replica of the first availability group to create another distributed availability group.

Which of the following will be considered as the limitations for the basic availability groups?

Basic availability groups include the following limitations:Limit of two replicas (primary and secondary). ... No read access on secondary replica.No backups on secondary replica.No integrity checks on secondary replicas.

How many replicas can I have in an AlwaysOn availability group?

Each availability group supports one primary replica and up to eight secondary replicas. For more information, see Overview of Always On Availability Groups (SQL Server). Each availability replica must reside on a different node of a single Windows Server Failover Clustering (WSFC) cluster.