Online Access Free Oracle.1z0-908.v2023-07-10.q68 Practice Test (Page 5)

1Z0-908 Exam Question 16

Which two statements are true about the mysqld-auto.cnf file? (Choose two.)

A.It is read and processed at the end of startup configuration.

B.This file is for logging purposes only and is never processed.

C.This file is for storing MySQL server_uuid values only.

D.This file is for storing MySQL Server configuration options in ISON format.

E.It is always updated with changes to system variables.

F.It is read and processed at the beginning of startup configuration.

1Z0-908 Exam Question 17

Which statement is true about InnoDB persistent index statistics?

A.Index statistics are calculated from pages buffered in the buffer pool for tables with InnoDB storage engine.

B.Increasing innodb_stats_persistent_sample_pages determines higher pages scanning speed, at the cost of increased memory usage.

C.Execution plans based on transient index statistics improve precision when innodb_stats_persistent_sample_pages is increased.

D.Updating index statistics is an I/O expensive operation.

E.Tables are scanned and index statistics recalculated when an instance is restarted.

F.Setting innodb_stats_auto_recalc=ON causes statistics to be updated automatically when a new index is created.

1Z0-908 Exam Question 18

You are asked to review possible options for a new MySQL instance. It will be a large, busy reporting data warehousing instance.
[mysql]
innodb_data_file_path=
Which two configurations would satisfy long-term storage demands? (Choose two.)

A.ibdatal:12M:autoextend;ibdata2:12M:autoextend

B.ibdatal:12M

C.ibdatal:12M;ibdata2:12M:autoextend

D.ibdatal:12M:autoextend

E.ibdatal:12M;ibdata2:12M;ibdata3:12M

F.ibdatal:12M;/tmp/ibdata2:12M:autoextend

1Z0-908 Exam Question 19

Examine this snippet from the binary log file named binlog.000036:

The rental table was accidentally dropped, and you must recover the table.
You have restored the last backup, which corresponds to the start of the binlog.000036 binary log.
Which command will complete the recovery?

A.mysqlbinlog --stop-datetime='2019-ll-20 14:55:18' binlog.000036 | mysql

B.mysqlbinlog --stop-position=500324 binlog.000036 | mysql

C.mysqlbinlog --stop-datetime='2019-ll-20 14:55:16' binlog.000036 | mysql

D.mysqlbinlog --stop-position=5004S3 binlog.000036 | mysql

1Z0-908 Exam Question 20

You recently upgraded your MySQL installation to MySQL 8.0.
Examine this client error:

Which option will allow this client to connect to MySQL Server?

A.[mysqld]
default_authentication_plugin=mysql_native_password

B.ALTER USER user -
IDENTIFIED WITH mysql_native_password
BY 'password';

C.[mysqld]
default_authentication_plugin=caching_sha2_password

D.[mysqld]
default_authentication_plugin=sha256_password

E.ALTER USER user -
IDENTIFIED WITH sha256_password -
BY 'password';

F.ALTER USER user -
IDENTIFIED WITH caching_sha2_password
BY 'password';

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