1z0-915-1試験無料問題集（67題）「Oracle MySQL HeatWave Implementation Associate Rel 1 認定」

出題：1

The following statements execute successfully:
CALL sys.ML_TRAIN('ml_data.iris', 'class', NULL, @model);
SELECT @model;
Which three are true? (Choose three.)

A. The statements validate the data set but do not create a model.

B. The generated model handle is shown in the output.

C. The target column is class.

D. The statements create a classification model.

E. The training data set is obtained from the ml_data table in the iris schema.

正解：B,C,D 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：2

A query is not offloaded to the HeatWave cluster for execution. Which three are possible reasons? (Choose three.)

A. The use_secondary_engine session variable is OFF.

B. A required column is excluded from the RAPID secondary engine.

C. The user does not have privileges to access the HeatWave cluster.

D. The client is connected to the DB system instead of the HeatWave cluster.

E. The query estimated cost is less than the query cost threshold.

正解：A,B,D 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：3

You create a new MySQL DB system. It fails because you use mysql.sys as the administrator username.
What is the reason?

A. The username can contain only uppercase characters.

B. mysql.sys is a reserved username that cannot be used in customer-defined user accounts.

C. The username must have at least 10 characters.

D. The username cannot contain non-alphanumeric characters, such as a period.

正解：B 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：4

Why would you select "Source cannot use GTID auto-positioning" when creating a channel?

A. The target DB system is a high-availability DB system.

B. The binary log offset is unknown.

C. Some tables have no primary key

D. The source gtid mode is OFF.

正解：D 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：5

How can you determine the uptime of a DB system?

A. By using the Audit section in Logging information in the OCI Web console

B. By executing mysql db-system get --db-system-id with OCI CLI

C. By querying performance_schema.global_status from a connected MySQL client

D. By checking the DB system details in the OCI Web console

正解：D 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：6

A MySQL DB system has an endpoint in an OCI VCN subnet. The VCN is not configured with VCN peering, VPN access, and FastConnect. You want to connect to the MySQL DB system directly from an OCI Cloud Shell session.
Which two are true? (Choose two.)

A. The VCN subnet of the Cloud Shell session must have a Service Gateway in its route table.

B. You must attach the Cloud Shell session to a VCN subnet that can connect to the MySQL DB system.

C. The MySQL DB system subnet must be in the Cloud Shell tenancy home region.

D. You must install mysql client programs in the Cloud Shell session.

E. The VCN subnet of the Cloud Shell session must have an Internet Gateway in its route table.

正解：B,C 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：7

You want to change the configuration of an active stand-alone DB system. The DB system is configured as the target of a channel, and the channel is currently active.
Which sequence of steps must you perform?

A. Stop the channel, edit the DB system, change the configuration, and start the channel.

B. Delete the channel, edit the DB system, change the configuration, and re-create the channel.

C. Stop the DB system, edit the DB system, change the configuration, and start the DB system.

D. Edit the DB system and change the configuration.

正解：A 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

1z0-915-1試験無料問題集「Oracle MySQL HeatWave Implementation Associate Rel 1 認定」