ACA Database Exam Exam Questions PDF download

What is the maximum number of read-only nodes in a PolarDB cluster?

Answer(s): D

Which of the following is the high-availability service level that is specified in the ApsaraDB RDS Service Level Agreement (SLA)?

Answer(s): D

With ApsaraDB for MyBase, problems caused by a sudden spike in traffic are automatically resolved.
How is this done?

ApsaraDB for My Base allows you to deploy different types of instances in a cluster.
ApsaraDB for MyBase grants you host permissions. You can log on to hosts to troubleshoot business problems in an emergency.
ApsaraDB for MyBase supports the over commitment of CPU and disk resources.
ApsaraDB for MyBase supports elastic upgrade policies. If the resource utilization of a database exceeds the preset threshold during a business peak, ApsaraDB for MyBase can automatically upgrade database resource specifications to respond to the business peak.
ApsaraDB for MyBase allows you to specify a host when you create an instance.

Answer(s): C