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質問 1：
Suppose you are using MySQL currently, if you want to migrate to cloud native database PolarDB with little effort, which one is the best choice?
A. PolarDB Oracle
B. PolarDB PosgreSQL
C. PolarDB Box
D. PolarDB MySQL
正解：D
解説: (Pass4Test メンバーにのみ表示されます)
質問 2：
Each PolarDB cluster consists of one primary node and one or more read-only nodes. The system only support manually switch over services from the primary node to a read-only node.
A. False
B. True
正解：A
解説: (Pass4Test メンバーにのみ表示されます)
質問 3：
Your DTS (Data Transmission Service) migration has failed halfway through: what options do you have? (Number of correct answers: 2)
A. Your database can't be migrated: you need to abandon the migration
B. Restart the migration task from the console
C. Delete your DTS instance and start over
D. You need to switch to ADAM, as DTS cannot complete the migration
正解：B,D
質問 4：
Which of the following specifications of AnalyticDB supports tiered storage of cold and hot data?
A. S series
B. Basic Edition
C. Elastic Mode
D. C series
正解：C
質問 5：
You are using DTS to migrate from a MySQL database installed on an ECS instance to a target database on RDS. In the DTS console, which of these is the correct "Instance Type" for the database?
A. ECS-based Databases
B. Express Connect DB
C. RDS Instance
D. ApsaraDB MongoDB
正解：C
解説: (Pass4Test メンバーにのみ表示されます)
質問 6：
Which database utility is good for database management and DevOps?
A. DBS
B. DMS
C. DTS
D. ADAM
E. DAS
正解：B
解説: (Pass4Test メンバーにのみ表示されます)
質問 7：
Which of the following types of data that is stored in PostgreSQL databases can support the one-to-many data model? (Number of correct answers: 3)
A. Array
B. GIS
C. Range
D. JSONB
E. JSON
F. String
G. Cube
正解：A,E,F
質問 8：
Which of the following deployment architectures are supported by Alibaba Cloud ApsaraDB for MongoDB?
(Number of correct answers: 3)
A. Replica set instance that consists of six nodes
B. Standalone instance
C. Primary/secondary instance that consists of two nodes
D. Sharded cluster instance
E. Replica set instance that consists of three nodes
正解：B,D,E
Suppose you are using MySQL currently, if you want to migrate to cloud native database PolarDB with little effort, which one is the best choice?
A. PolarDB Oracle
B. PolarDB PosgreSQL
C. PolarDB Box
D. PolarDB MySQL
正解：D
解説: (Pass4Test メンバーにのみ表示されます)
質問 2：
Each PolarDB cluster consists of one primary node and one or more read-only nodes. The system only support manually switch over services from the primary node to a read-only node.
A. False
B. True
正解：A
解説: (Pass4Test メンバーにのみ表示されます)
質問 3：
Your DTS (Data Transmission Service) migration has failed halfway through: what options do you have? (Number of correct answers: 2)
A. Your database can't be migrated: you need to abandon the migration
B. Restart the migration task from the console
C. Delete your DTS instance and start over
D. You need to switch to ADAM, as DTS cannot complete the migration
正解：B,D
質問 4：
Which of the following specifications of AnalyticDB supports tiered storage of cold and hot data?
A. S series
B. Basic Edition
C. Elastic Mode
D. C series
正解：C
質問 5：
You are using DTS to migrate from a MySQL database installed on an ECS instance to a target database on RDS. In the DTS console, which of these is the correct "Instance Type" for the database?
A. ECS-based Databases
B. Express Connect DB
C. RDS Instance
D. ApsaraDB MongoDB
正解：C
解説: (Pass4Test メンバーにのみ表示されます)
質問 6：
Which database utility is good for database management and DevOps?
A. DBS
B. DMS
C. DTS
D. ADAM
E. DAS
正解：B
解説: (Pass4Test メンバーにのみ表示されます)
質問 7：
Which of the following types of data that is stored in PostgreSQL databases can support the one-to-many data model? (Number of correct answers: 3)
A. Array
B. GIS
C. Range
D. JSONB
E. JSON
F. String
G. Cube
正解：A,E,F
質問 8：
Which of the following deployment architectures are supported by Alibaba Cloud ApsaraDB for MongoDB?
(Number of correct answers: 3)
A. Replica set instance that consists of six nodes
B. Standalone instance
C. Primary/secondary instance that consists of two nodes
D. Sharded cluster instance
E. Replica set instance that consists of three nodes
正解：B,D,E
岩崎** -
ACA-Databaseサクサク答え合わせをしながら解き進めることができるので大変見やすく、使いやすいです