Huawei
H13-811_V3.0 · Question #648
A database instance is the smallest management unit of ApsaraDB for RDS. Which of the following descriptions about different types of instances is wrong?
The correct answer is C. The read-only instance is the architecture of a single physical node, and there is no standby node. See the full explanation below for the reasoning.
Question
A database instance is the smallest management unit of ApsaraDB for RDS. Which of the following descriptions about different types of instances is wrong?
Options
- AThe cluster version instance supports the cluster mode of 1 master, 1 backup and 5 read-only
- BActive and standby instances support cross-AZ high availability
- CThe read-only instance is the architecture of a single physical node, and there is no standby node
- DSingle-machine instance supports cross-AZ high availability
How the community answered
(53 responses)- A15% (8)
- B8% (4)
- C74% (39)
- D4% (2)
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